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    Wyświetlanie 1-23 z 23
    Tytuł:
    Trypsin inhibitor electrophoretic patterns in Vicia faba L. and related species
    Autorzy:
    Zimniak-Przybylska, Z
    Przybylska, J.
    Krajewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2043622.pdf
    Data publikacji:
    1999
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Vicia faba
    trypsin inhibitor
    Narbonensis
    electrophoresis
    faba bean
    Bithynicae
    taxonomy
    Źródło:
    Journal of Applied Genetics; 1999, 40, 4; 283-292
    1234-1983
    Pojawia się w:
    Journal of Applied Genetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genotypic discrimination of Aspergillus fumigatus strain from related species within section fumigati
    Autorzy:
    Giray, Betül
    Kocaöğüt, Elif
    Uçar, Füsun B.
    Haliki-Uztan, Alev
    Powiązania:
    https://bibliotekanauki.pl/articles/989031.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    roda
    βtub
    a. fumigatus
    its-pcr
    antifungal susceptibility testing
    Opis:
    Introduction and objective. The aim was to make an exact diagnosis of 20 strains using molecular biological methods which were isolated from the atmosphere of the inpatient rooms in the Oncology and other departments of the Ege University Medical Faculty Hospital, and identified as Aspergillus fumigatus through phenotypic tests, and to determine their antibiotic susceptibility patterns. Materials and method. It was confirmed that the 20 phenotypically-identified A. fumigatus strains belonged to the section Fumigati after they were tested by the ITS-PCR method. Their sequence analysis was performed and the results sent to the NCBI GenBank, and their accession numbers were obtained. For their exact diagnosis at the species level, the β-tub (β-tubulin) and rodA (RodletA) genes were examined with the multiplex PCR. Anti-fungal susceptibility of the 20 strains was determined according to the M38-A2 standards. Results. As a result of ITS-PCR, it was confirmed that 19 of the 20 strains identified as A. fumigatus through the phenotypic methods belonged to the section Fumigati. However, after the detection of β-tub and rodA genes, all 20 strains were identified as A. fumigatus. Conclusion. Although the results of the phenotypic and molecular biological tests applied to filamentous fungi do not often overlap, in this study, the results obtained from the molecular analysis confirmed the results of the phenotypic tests. However, 1 of the 20 strains phenotypically-identified as A. fumigatus was identified as Penicillium spp. as a result of ITSPCR and sequence analysis. On the other hand, the profile obtained from β-tub and rodA tests indicated that the strain was A. fumigatus. Based on these results, this strain is thought to belong to the Aspergilloides genus which has the features of both genera.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2016, 23, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geometric morphometric analysis of the shell of Cerion mumia (Pulmonata: Cerionidae) and related species
    Autorzy:
    Miller, J.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/83900.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
    Źródło:
    Folia Malacologica; 2016, 24, 4
    1506-7629
    Pojawia się w:
    Folia Malacologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic variation of safflower (Carthamus tinctorius L.) and related species revealed by ISSR analysis
    Autorzy:
    Bagmohammadi, Hamed
    Pahlevani, Mohammadhadi
    Ahmadikhah, Asadollah
    Razavi, Seyed Esmaeil
    Powiązania:
    https://bibliotekanauki.pl/articles/2199709.pdf
    Data publikacji:
    2012-08-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Genetic diversity
    ISSR markers
    relationships
    safflower
    wild spices
    Opis:
    Genetic diversity of eight genotypes of Carthamus tinctorius L., two populations of C. oxyacanthus, and one population of C. lanatus was investigated using inter-simple sequence repeat (ISSR) markers. All samples were uniquely distinguished by 10 ISSR primers with 144 bands which generated 100% polymorphism. Furthermore, the ISSR markers could separate three safflower species properly, that highlights the effectiveness of this marker system for phylogenetic studies. The most and least informative primers were ISSR9 (PIC=0.367) and ISSR2 (PIC=0.254), and some primers were more efficient in detecting polymorphism in one species than for the others. Unweighed pairgroup method with arithmetical averages (UPGMA) cluster analysis enabled construction of a dendrogram  for estimating genetic distances among different populations. The result of cluster analysis suggested that cultivated and wild populations of C. oxyacanthus had close relationship with each other and far relationship with C. lanatus. The extreme genetic dissimilarity was observed between genotypes of C. tinctorius and C. lanatus populations. Based on the results, C. oxyacanthus could introduce favorable genes to cultivated safflower via inter-specific hybridization in breeding programs. Nei’s gene diversity index, Shannon’s index and percent of polymorphic loci showed that Isfahan ecotype of C. oxyacanthus had the highest variation at DNA level in relation to populations of other species. The ISSRs developed in this research along with those recently studied by other researchers will contribute to construct genetic map with a density sufficient for safflower molecular breeding.
    Źródło:
    Plant Breeding and Seed Science; 2012, 66; 139-150
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of microsatellite markers for horse-chestnut (Aesculus hippocastanum), their polymorphism in natural Greek populations, and cross-amplification in related species
    Autorzy:
    Walas, L.
    Iszkulo, G.
    Barina, Z.
    Dering, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078223.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Tertiary relict
    endemic species
    cross-amplification
    polymorphism
    Opis:
    New nuclear microsatellite markers (SSRs) were developed for Aesculus hippocastanum, a relict tree species from the Balkan Peninsula. The development of microsatellites was done using the Illumina MiSeq PE300 platform. Out of a set of 500 SSRs designed, a subset of 13 loci was tested using 290 individuals from seven natural populations. Twelve species-specific loci were polymorphic. The number of alleles per locus ranged from 2 to 17 and expected heterozygosity from 0.089 to 0.800 with a mean value of 0.484. The population of Kalampaka had the lowest value of allelic richness (2.63) and gene diversity in comparison to the remaining populations. STRUCTURE analysis confirmed isolation of population Mariolata from the southern edge of the species range and genetic similarity among populations from the Pindos Mts. Additionally, the utility of new SSRs in 29 individuals from nine other Aesculus taxa was tested. Eleven markers gave polymorphic products for all tested species. For 24 individuals, a high-quality product was obtained for each marker. Results confirmed the utility of specific markers for future population genetics studies.
    Źródło:
    Dendrobiology; 2021, 85; 105-116
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Introgresje genów z gatunków spokrewnionych taksonomicznie w ulepszeniach pszenicy Triticum aestivum L. i innych roślin uprawnych
    Introgressions of genes from taxonomically related species in improvement of wheat Triticum aestivum L. and other cultivated plants
    Autorzy:
    Pilch, Józef
    Powiązania:
    https://bibliotekanauki.pl/articles/2198058.pdf
    Data publikacji:
    2011-09-30
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Poaceae (Triticeae)
    bioróżnorodność
    gatunki dzikie
    introgresje
    krzyżowania oddalone
    obce geny
    ulepszanie
    alien genes
    biodiversity
    improvement
    introgression
    wide crosses
    wild/related species
    Opis:
    Praca przedstawia dotychczasowy stan osiągnięć w wykorzystaniu gatunków dzikich spokrewnionych taksonomicznie w hodowli najważniejszych roślin uprawnych na świecie z wykorzystaniem hybrydyzacji generatywnej międzygatunkowej i międzyrodzajowej ze szczególnym wyróżnieniem roślin zbożowych. Uwzględnia zmienność genową gatunków, stosowane techniki w wytwarzaniu mieszańców pomostowych F1, identyfikowania mieszańców, stabilności, transferowania genów, jak i efekty końcowe tych prac. Przedstawia dotychczasowy postęp jaki został uzyskany w ulepszeniach roślin uprawnych poprzez introgresje genów z gatunków dzikich/spokrewnionych w zakresie stresów biotycznych i abiotycznych, poziomu plonowania i jego jakości, wykorzystaniu heterozji w produkcji roślinnej. Wskazuje dalsze działania w nowoczesnej hodowli nowych odmian. W pracy posługiwano się oryginalną nomenklaturą taksonomiczną gatunków roślin, genów, patogenów występującą w pracach autorskich.
    The paper presents achievements in use of wild/related species in breeding of plants with application of generative interspecific and intergeneric hybridization, particularly focused on cereals. Biodiversity of species, methodology of production of F1 — bridge hybrids and identification of the hybrids, their stability, transfer of the genes and the end-effects are presented. The recent progress is outlined in improvement of cultivated plants with the use of introgressions of alien genes influencing response to biotic and abiotic stress, yield level and its quality, use of heterosis in plant production. Further directions in modern breeding of new cultivars are postulated. Original taxonomic nomenclature, applied in the original publications, has been used for the plant species, genes, diseases and pathogens.
    Źródło:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2011, 260/261; 21-42
    0373-7837
    2657-8913
    Pojawia się w:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of homoeologous pairing Ph 1 - locus of Triticum aestivum L. on its F1 - bridge hybrids with the species (2x, 4x, 6x) Triticum L., (2x, 4x) Aegilops L., and (2x, 4x) Lolium L. genera .
    Autorzy:
    Pilch, Józef
    Powiązania:
    https://bibliotekanauki.pl/articles/2199085.pdf
    Data publikacji:
    2006-12-22
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    gene ph1b
    homoeologous pairing system
    locus Ph1
    5B-, 5A-, 5D-chromosome monosomics
    related species
    Triticum aestivum L.
    Opis:
    Mono-5B Chinese Spring, mono-5B Jara, mono -5B Favorit exhibiting the deficiency of 5B-chromosome, the mutant –Ph Chinese Spring (ph1b, ph1b), mono-5A Chinese Spring, mopno-5D Chinese Spring with the genotype Ph1, Ph1 and the varieties Chinese Spring, Jara, Favorit with the genotype Ph1Ph1 were used in the crosses with 7 species of Triticum, 5 species of Aegilops and one species of Lolium genera to investigate the effect of the Ph1- locus on F1- bridge hybrids. Altogether, 117 cross-combinations were made and 98 259 florets were pollinated. The effectiveness of the locus Ph 1 was judged by the percentage of seed set of F1- bridge hybrids. Wide variation of seed set was observed in F1-bridge hybrids for all cross-combinations made...
    Źródło:
    Plant Breeding and Seed Science; 2006, 54; 53-63
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pinus uliginosa from Czarne Bagno peat-bog (Sudetes) compared morphologically to related Pinus species
    Autorzy:
    Boratynska, K.
    Jasinska, A.K.
    Marcysiak, K.
    Sobierajska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41752.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Pinus uliginosa
    Czarne Bagno peat bog
    peat bog
    Sudetes Mountains
    plant variation
    pine
    Scotch pine
    Pinus
    plant species
    dwarf mountain pine
    mountain pine
    Opis:
    Pinus uliginosa is an interesting taxon from the Pinus mugo complex with controversial systematic position andspecific characteristics, intermediate among P. mugo, P. uncinata and P. sylvestris. The peat-bog pine is rare andprotectedin Poland. All its’ known populations have a relict character andare slightly different from each other. The aim of the present study was comparison of the individuals from the Czarne Bagno of the “Torfowisko pod Zieleńcem” Nature Reserve (Sudetes), determined in the field on the basis of morphological characteristics as Pinus uliginosa, with four samples of this taxon from the northern limits of its range in PolandandGer - many andwith Pinus sylvestris, P. mugo and P. uncinata, to verify morphological andtaxonomic relations between them. The material collected from 30 individuals determined as P. uliginosa, was closest to populations of P. uliginosa from the Bory Dolnośląskie, andto P. mugo from the Tatra Mts., concerning the needle characters. The cone characteristics of P. uliginosa individuals from the Czarne Bagno appeared similar to all other of that taxon. In spite of that, the cone characters first of all differentiate P. uliginosa from P. sylvestris, P. mugo and P. uncinata. The combination of needle and cone morphological characters are a good tool to distinguish P. sylvestris, P. uncinata, P. mugo and P. uliginosa with a very high probability.
    Źródło:
    Dendrobiology; 2011, 65
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Additivity of ISSR markers in natural hybrids of related forest species Bromus benekenii and B. ramosus (Poaceae)
    Autorzy:
    Sutkowska, A.
    Pasierbinski, A.
    Baba, W.
    Warzecha, T.
    Mitka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/19091.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The co-occurrence of hybrids and parental species in similar ecological niches poses a question on the role of traits additivity and overdispersion (emergence of new traits) in microevolutionary processes. We analysed genetic polymorphism of Bromus benekenii, B. ramosus and the spontaneous hybrid B. benekenii × B. ramosus in sympatric and allopatric parts of the species distribution in Europe, based on non-coding regions of the taxon genomes (ISSR genetic fingerprinting). We tested 68 individuals in 7 populations, including a hybrid population in N France. Altogether 233 polymorphic ISSR bands (loci) were obtained. We found that the parent species were genetically distinct and the hybrids had an additive pattern of ISSR bands found in the putative parental species (NMDS, STRUCTURE); however, there was evidence of introgression towards B. ramosus (NEWHYBRIDS, UPGMA classifications, Nei's D genetic distance). Bromus benekenii had 72, B. ramosus 21 and the hybrids 9 private bands (genetic overdispersion), probably resulting from the rearranged genomes. Based on its low genetic divergence index DW, the hybrid population seems to be at a young age. We argue that in the face of anthropogenic landscape transformations favouring secondary contacts, the hybrids may competitively replace the parental species in sympatric areas.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2015, 57, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cross-amplification and multiplexing of cpSSRs and nSSRs in two closely related pine species (Pinus sylvestris L. and P. mugo Turra)
    Autorzy:
    Żukowska, Weronika B.
    Wójkiewicz, Błażej
    Litkowiec, Monika
    Wachowiak, Witold
    Powiązania:
    https://bibliotekanauki.pl/articles/957019.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    chloroplast microsatellites
    dwarf mountain pine
    hybridization
    nuclear microsatellites
    scots
    pine
    Opis:
    Background: Simple sequence repeats (SSRs) are widespread molecular markers commonly used in population genetic studies. Nowadays, next-generation sequencing (NGS) methods allow identifying thousands of SSRs in one sequencing run, which greatly facilitates isolation and development of new SSRs. However, their usefulness as molecular markers still must be tested empirically on a number of populations to select SSRs with best parameters for future population genetic research. An alternative approach, cheaper and faster than isolation and characterization of new SSRs, involves cross-amplification of SSRs in closely related species. Aims: Our goal was to develop multiplex PCR protocols that will be useful in population genetic studies of Scots pine (Pinus sylvestris L.) and dwarf mountain pine (P. mugo Turra), and possibly other pine species. Methods: We tested 14 chloroplast (cpSSRs) and 22 nuclear (nSSRs) microsatellite markers originally designed for Japanese black pine (P. thunbergii Parl.), P. sylvestris and loblolly pine (P. taeda L.) in four populations of P. sylvestris and P. mugo across different locations in Europe. We designed six multiplex PCRs, which were subsequently screened for their ability to provide repeatable and high quality amplification products using capillary electrophoresis. Results: The transfer rate in our study was similar in both pine species, and it was very high for cpSSRs (93% and 86% for P. sylvestris and P. mugo, respectively) and moderate for nSSRs (59% for both species). We managed to design five well-performing multiplex reactions out of six initially tested. Most of the tested loci were polymorphic. Moreover, the allelic patterns detected at some cpSSRs were species-specific. Conclusions: We provide a set of five multiplexes which can be used in genetic studies of both P. sylvestris and P. mugo. Chloroplast marker PCP30277 is a good candidate for a cheap species diagnostic marker suitable for tracking interspecific gene flow between hybridizing species of P. sylvestris and P. mugo.
    Źródło:
    Dendrobiology; 2017, 77; 59-64
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Różnice gatunkowe ssaków nieudomowionych w regulacji układu krążeniowo-oddechowego
    Species-related differences in the cardio-vascular system regulation of some undomesticated mammals
    Autorzy:
    Gill, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1195635.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Przyrodników im. Kopernika
    Opis:
    Development of the knowledge about the animal blood circulation along with the classical methods used for blood pressure measurement are briefly described. It has been supposed that the arterial blood pressure may differ importantly in various undomesticated mammalian species, and also should be different from that existing in humans, but the experimental proofs were lacking. In the late fifties of XX century I have obtained an exceptional opportunity to perform the terminal experiments on the individual representatives of the mammals eliminated from exposition in the Polish ZOO gardens for different reasons. I was, therefore, able to test experimentally the reactivity of cardiovascular and respiratory systems on the exogenous vasoactive hormones (adrenaline A, noradrenaline NA and acetylcholine ACh) applied to the deeply anesthetized animals non-treated additionally and submitted to the 15-min infusion of the lactic acid (LA), simulating general hypoxia evoked by the muscular effort. Surprisingly, in several "athletic species", i.e. able to perform long-lasting running, represented here by bison and hare, reactivity of the cardio-vascular system to the adrenergic stimulation was high and neither changed during LA infusion nor after 15-min lasting recovery. On the other hand, in some other species, like deer, fallow deer or wild boar, a very high reactivity to A/NA seen already in the basal (pre-infusion) conditions, was strongly stimulated during LA-induced hypoxia, suggesting that in these species ability of the organism to perform long-lasting muscular effort (e.g. running without necessity to stop to take some rest) is possible due to the increased cardio-vascular reactivity to the adrenergic stimulation in the hypoxic conditions. Third way of the cardio-vascular reaction to the adrenergic stimulation was observed in "non-athletic species", e.g. in barbary sheep, in which high basal reaction to A treatment disappeared already after 6-min lasting LA infusion, was not observed at the end of 15-min lasting infusion and was not restored even during 15 min of recovery. To summarize, selected experimentally obtained data clearly indicate that the different mechanisms involved in the regulation of so important physiological function as blood pressure and respiration should be considered in the term of the life history of each species. It seems to be essential when one consider physiology/pathology of several undomesticated mammals, frequently submitted to the rearing and medical treatment in the ZOO gardens, and also should be useful for veterinary students professional formation.
    Źródło:
    Kosmos; 2010, 59, 1-2; 61-70
    0023-4249
    Pojawia się w:
    Kosmos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sex-related differences in the dioecious species Rumex thyrsiflorus Fingerh. – analysis of the content of phenolic constituents in leaf extracts
    Autorzy:
    Dziedzic, K.
    Szopa, A.
    Waligorski, P.
    Ekiert, H.
    Slesak, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2117817.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Rumex thyrsiflorus
    thyrse sorrel
    dioecy
    sex-related differences
    sexual dimorphism in
    plants
    phenolic compounds
    phytochemical analysis
    HPLC-DAD
    Opis:
    Rumex thyrsiflorus Fingerh. is mentioned as a European folk medicinal plant. This species has also been traditionally used as an edible plant in Eastern Europe because of its nutritional value. During the study, qualitative and quantitative sex-related differences of phenolic constituents in methanolic leaf extracts of R. thyrsiflorus were evaluated. The presence of the same substances (nine phenolic acids before, and six phenolic acids after acid hydrolysis, nine flavonoids, and a catechin) was estimated in both female and male specimens, using the HPLC-DAD method. A statistically significant higher content of eleven constituents in female plant extracts (acids: chlorogenic, p-coumaric, cryptochlorogenic, gallic, protocatechuic, neochlorogenic, vanillic; flavonoids: quercitrin, rhamnetin, rutoside; and a catechin) was shown. This is the first report concerning the relation between the sex and the content of biologically active phenolic secondary metabolites in leaf extracts of R. thyrsiflorus. Female plants of R. thyrsiflorus could be useful for pharmaceutical purposes as a preferential source of bioactive phenolic acids, flavonoids and especially catechin.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2020, 62, 1; 43-50
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wplyw antropopresji na sklad flory gatunkow naczyniowych fitocenoz zwiazanych siedliskowo z trasami szlakow turystycznych Swietokrzyskiego Parku Narodowego
    The influence of human impact on the composition of the flora of vascular species related by habitats to the tourist trails of Swietokrzyski National Park
    Autorzy:
    Sikorski, M
    Powiązania:
    https://bibliotekanauki.pl/articles/882839.pdf
    Data publikacji:
    2009
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
    Tematy:
    parki narodowe
    Swietokrzyski Park Narodowy
    Gory Swietokrzyskie
    Swieta Katarzyna
    antropopresja
    flora
    rosliny naczyniowe
    synantropizacja roslin
    szlaki turystyczne
    rosliny synantropijne
    ruch turystyczny
    zagrozenia przyrody
    Opis:
    Szczególne znaczenie parków narodowych w kontekście zadań, jakie one spełniają ma ochrona walorów naturalnego krajobrazu danego parku. Mimo stosowania różnych form sterowania ruchem turystycznym, intensywność eksploatacji szlaków turystycznych, nierzadko przekracza możliwości samoregeneracji zarówno niszczonej szaty roślinnej jak i jej naturalnych siedlisk życiowych. Należy podkreślić, iż szlak turystyczny – intensywnie i permanentnie uczęszczany stanowi obraz trwałego odkształcenia niegdyś istniejącej w strefie jego aktualnego przebiegu, naturalnej przyrody. Stanowi otwartą promenadę, po której swobodnie przemieszczają się ekspansywne gatunki synantropijne rodzimego pochodzenia (apofity). Stanowią one zasadniczo podstawowy skład fitocenoz dywanowych ŚPN w skład, których wchodzą min.: życica trwała Lolium perenne, babka zwyczajna Plantago major i często także lancetowata P. lanceolata, wiechlina roczna Poa annua, rdest ptasi Polygonum aviculare. Na trasie szlaków i w ich strefach wlotowych w otoczeniu leśnym dość często obserwujemy agregacyjny zespół panującej w płatach wiechliny rocznej Poetum annuae. Miarą intensywności odkształceń cech naturalnych, zwłaszcza ekosystemów leśnych i zaroślowych jest przede wszystkim obecność gatunków obcego pochodzenia (antropofitów), a zwłaszcza inwazyjnych nowych przybyszów (kenofitów). Bardzo liczna ich grupa jest obecnie całkowicie zadomowiana w polskiej florze. Należą tu m. in. takie rośliny zielne jak: nawłocie – Solidago – kanadyjska S. canadensis i olbrzymia S. gigantea, konyza kanadyjska Conyza canadensis, tasznik pospolity Capsella bursa-pastoris, a z drzew: robinia akacjowa Robinia pseudacacia, kasztanowiec zwyczajny Aesculus hippocastanus, klon jesionolistny Acer negundo i wiele innych gatunków. Roślinność towarzysząca szlakom turystycznym w znacznej części związana jest ze zbiorowiskami borowymi, przez które biegną szlaki na leśnym terenie ŚPN. Do najczęstszych zbiorowisk należy tu zaliczyć: wyżynny jodłowy bór mieszany wariant z jeżyną gruczołowatą Rubus hirtus, wyżynny jodłowy bór mieszany wariant typowy, środkowopolski bór mieszany wariant z jodła pospolitą Abies alba, środkowopolski bór mieszany wariant z modrzewiem europejskim polskim Larix decidua subsp. polonica. Na takich obszarach widoczna jest ekspansja na szlaki turystyczne światłolubnych gatunków runa z otaczających je fitocenoz leśnych. Proces migracji takich roślin zaznacza się wyraźnie, zwłaszcza na miejscach świetlistych bez okapu koron drzew, nieco trawiastych, zajętych głównie przez fitocenozy wydeptywane. W związku z bardzo dużym natężeniem turystycznym bezpośrednie otoczenie szlaków i sama powierzchnia duktów odznacza się obfitszym występowaniem niektórych antropofitów tj.: niecierpek drobnokwiatowy Impatiens parviflora, grusza pospolita Pyrus communis, a także obecnością uciekinierów z upraw: owies zwyczajny Avena sativa czy rzepak Brassica napus var. oleifera, pszenica zwyczajna Triticum aestivum, pszenżyto x Triticale rimpaui. Poczynione obserwacje pozwalają stwierdzić, że istnieje wyraźna korelacja między intensywnością permanentnego ruchu turystycznego a zakresem i specyfiką zmian degradacyjnych zachodzących w płatach naturalnej roślinności leśnej i jej siedliskach życiowych, zwłaszcza w strefach przylegających do szlaków.
    A particularly important function of national parks is the protection of the beauty of the natural scenery in a given park. In spite of various forms of tourist traffic management, tourist trail exploitation is often too intense for self-regeneration of the damaged vegetation and its natural habitats. It should be emphasised that a tourist trail which is extensively and permanently used, reflects a permanent deformation of natural flora and fauna that once featured its area. It constitutes an open route for free movement of expansive indigenous synanthropic species (apophytes). They constitute a basic part of the carpet plant colonies of ŚPN, with plants such as perennial ryegrass Lolium perenne, greater plantain Plantago major, often ribwort plantain P. lanceolata, annual meadow grass Poa annua, and common knotgrass Polygonum aviculare. Along the trails as well as at their opening areas, aggregations of meadow grass Poëtum annuae can often be observed in dominant patches. The measure of the intensity of deformations of natural characteristics, especially in forest ecosystems and thickets, is above all, the presence of non-native species (anthropophytes), mainly new invading species (kenophytes). A numerous group of such species is currently fully domesticated in the Polish flora. This category includes plants such as: Canada goldenrod Solidago canadensis and early goldenrod S. gigantea, Canadian horseweed Conyza Canadensis, shepherd’s purse Capsella bursa-pastoris, and such trees as: black locust Robinia pseudacacia, horse chestnut Aesculus hippocastanus, maple ash Acer negundo and many others. Plants accompanying tourist trails are related to a great extent with forest communities along the trails of ŚPN. The most typical communities are: upland fir mixed forest, a variant with Rubus hirtus, upland fir mixed forest, a typical variant, central Poland mixed forest, a variant with European silver fir Abies alba, central Poland mixed forest, a variant with Polish larch Larix decidua subsp. Polonica. In such areas it is easy to observe the expansion of light-loving species of the undergrowth and surrounding forest vegetation on tourist trails. The process of migration of such plants is clearly visible, especially in areas full of light, without a canopy of tree crowns, a little grassy and colonised mainly by trampled plants. Due to very high tourist traffic, the direct environment of the trails and the surface of their paths features more antropophytes of some species, such as small balsam Impatiens parrviflora, European pear Pyrus communis, as well as some crop plants such as the common oat Avena sativa, rape Brassica napus var. oleifera, common wheat Triticum aestivum, and rimpau's triticale x Triticale rimpaui. To conclude, there is a clear correlation between the intensity of permanent tourist traffic and the range and character of deformation changes occurring in the colonies of natural forest plants and their natural habitats, especially in the zones adjacent to tourist trails.
    Źródło:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2009, 11, 4[23]; 246-252
    1509-1414
    Pojawia się w:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Functional traits related to environmental divergence in combination with phylogenetic relationship of Picea species
    Autorzy:
    Wang, M.
    Wang, J.
    Zhang, A.
    Zhang, X.
    Sun, S.
    Zhao, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077949.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    δ13C
    P50
    Picea
    seeva
    quantitative convergence index
    Opis:
    Background: Plants have adapted to fine-scale environmental heterogeneity through ecologically important traits, leading to new lineages. This suggests that differentiation of important traits has been beneficial to habitat partitioning among closely related species. However, the pattern of ecological divergences and differentiation of functional traits in combination with phylogenetic relationships have not been widely examined. Material and methods: To illustrate the pattern of ecological divergences of nine Picea species, spatial evolutionary and ecological vicariance analysis (seeva) was used to quantify and test the divergence between sister lineages. Five functional traits were measured in a common garden experiment. For all traits the quantitative convergence index (QVI) was determined. Furthermore, their relationships with divergent environmental variables were analyzed in the context of phylogenetic relationships. Results: Temperature variables (maximum temperature of warmest month and temperature annual range) split at basal nodes and precipitation variables (annual precipitation and precipitation of driest quarter) split at terminal nodes. Conservative traits were leaf mass per area (LMA) and net photosynthetic rate (Pn), which reflected selective retention when ancestors suffered cold environmental separation. Meanwhile, linear stomatal density (LSD), carbon-13 isotope ratio (δ13C) and water potential at 50% loss of hydraulic conductivity (P50) were convergent between species, but only P50 exhibited adaption to different precipitation conditions. The nine Picea species exhibit a distinct environmental divergence pattern. LMA and Pn were selectively retained when their ancestors were subjected to cold environmental separation. P50 was an important trait with respect to adaptation to precipitation differences. This research provided a new way of expounding the correlation between environment, functional traits and phylogeny, deepening our understanding of environmental divergence, trait differentiation and speciation.
    Źródło:
    Dendrobiology; 2018, 80; 131-142
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ptica u hrvatskome prezimenskome mozaiku
    Bird-related Component of Croatian Surnames
    Autorzy:
    Lasić, Josip
    Powiązania:
    https://bibliotekanauki.pl/articles/1890650.pdf
    Data publikacji:
    2021-09-22
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Croatian surnames
    zoonims
    ornithonym
    bird species
    genus of birds
    Opis:
    Findings of the previous research suggest that, although the first records of surnames on the territory of the contemporary Republic of Croatia date back to the 12th century, it is with the Council of Trent (1545–1563) that they became increasingly and extensively used (Frančić, 2015, 229). As far as contemporary surnames are concerned, their structure is regarded to be well established and easily detectable. Their frequency and distribution have also been the topics of much of previous research. Namely, the 2011 census showed that over thirty-three thousand surnames were registered in the Republic of Croatia. For the purposes of this paper, a group of surnames with a bird-related component – ornithonyms – has been singled out from the abovementioned list. The analysed corpus, consisting of approximately three hundred surnames with a component related to bird species, subspecies of groups, is of particular importance since, due to a number of linguistic and non-linguistic obstacles to the creation of a unique “bird” corpus, this interesting group of Croatian surnames has not been sufficiently described by Croatian linguists so far.
    Źródło:
    Poznańskie Studia Slawistyczne; 2021, 20; 123-139
    2084-3011
    Pojawia się w:
    Poznańskie Studia Slawistyczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Species richness and diversity related to anthropogenic soil disturbance in abandoned meadows in the Bieszczady Mts. [Eastern Carpathians]
    Autorzy:
    Korzeniak, J
    Powiązania:
    https://bibliotekanauki.pl/articles/59114.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    anthropogenic effect
    mountain meadow
    meadow
    Carpathians Mountains
    species richness
    Eastern Carpathians International Biosphere Reserve
    floristic richness
    soil nutrient
    Opis:
    The study was focused on soil factors influencing species richness and diversity after disturbance of the substrate followed by abandonment. Two types of disturbances in the past were considered: the removal of trees and shrubs with the resulting major destruction of soils, and deep ploughing. As a control meadows not covered by any management schemes for 50 years were studied. The topsoil stripping resulted in decrease of potassium, nitrogen and organic carbon contents, while deep ploughing caused less radical effects. Simultaneously, disturbances of the soil delayed the course of succession, and brought increase in species. The most species-rich are ploughed meadows. No differences in terms of species diversity, domination and evenness between the forms of disturbances were identified. However, there were groups of species indicative for soil disturbances. Analysis of the relationships between vegetation differentiation and the properties of soil suggests that available phosphorus may affect species richness and diversity in mountain meadows.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative transcriptomic analyses of four Phalaenopsis species to identify and characterize the WUSCHEL -related homeobox (WOX) gene family
    Autorzy:
    Kanchan, M.
    Sembi, J.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2096287.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    WUSCHEL
    WOX
    expression analysis
    Phalaenopsis
    orchids
    Opis:
    In the present study, we identified and characterized the plant-specific WUSCHEL -related homeobox (WOX) gene family that plays a major role in the determination of cell fate, early embryonic pattern formation, stem cell maintenance, organogenesis, flower development and somatic embryogenesis. For this purpose, the transcriptomes of four species of Phalaenopsis, namely P. aphrodite, P. modesta, P. bellina and P. lueddemanniana, were analysed, and nine PaWOX, ten PmWOX, eight PbWOX and nine PlWOX transcripts were identified. The duplication event analysis showed the presence of two duplication events in P. lueddemanniana, one each in P. bellina and P. modesta and no duplication event in P. aphrodite. During the evolutionary analysis, all the WOX proteins were clustered with those of Arabidopsis thaliana (AtWOX), Phalaenopsis equestris (PeWOX), Apostasia shenzhenica and Dendrobium catenatum (DcWOX). The expression analysis of the WOX genes suggested their critical role in floral development and in other developmental processes. The secondary and tertiary structural analysis of seven selected WOX proteins was then performed, with each protein representing its respective clade. The results provide a valuable resource for further studies of the molecular mechanisms of floral and vegetative developments in Phalaenopsis species.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2020, 101, 4; 309-322
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rare species of Lepiota and related genera
    Rzadkie gatunki z rodzaju Lepiota i rodzajów pokrewnych
    Autorzy:
    Gierczyk, B.
    Kujawa, A.
    Szczepkowski, A.
    Chachula, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/67410.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    rare species
    Lepiota
    Basidiomycota
    Agaricaceae
    species diversity
    species distribution
    Polska
    Cystolepiota
    Echinoderma
    Leucoagaricus
    Leucocoprinus
    Macrolepiota
    Melanophyllum
    Cystolepiota fumosifolia
    Cystolepiota moelleri
    Cystolepiota petasiformis
    Echinoderma carinii
    Echinoderma pseudoasperula
    Lepiota angustispora
    Lepiota apatelia
    Lepiota cingulum
    Lepiota cortinarius var.audreae
    Lepiota cristata var.felinoides
    Lepiota forquignonii
    Lepiota rubella
    Leucoagaricus cinerascens
    Leucoagaricus ionidicolor
    Leucoagaricus sericifer var.sericellatus
    Macrolepiota heimii
    Macrolepiota rhodosperma var.rhodosperma
    Macrolepiota venenata
    Opis:
    The paper presents 47 fungi taxa (species and varietes) belonging to the genera Cystolepiota, Echinoderma, Lepiota, Leucoagaricus, Leucocoprinus, Macrolepiota and Melanophyllum, found in Poland, which have been not reported earlier from this area (18 species: Cystolepiota fumosifolia, C. moelleri, C. petasiformis, Echinoderma carinii, E. pseudoasperula, Lepiota angustispora, L. apatelia, L. cingulum, L. cortinarius var. audreae, L. cristata var. felinoides, L. forquignonii, L. rubella, Leucoagaricus cinerascens, L. ionidicolor, L. sericifer var. sericellatus, Macrolepiota heimii, M. rhodosperma var. rhodosperma, M. venenata) or have been known only from a few localities. For the species new to Poland short descriptions, based on the specimens examined and literature data, are given and their micromorphological characters are illustrated.
    W pracy przedstawiono 126 stanowisk grzybów należących do rodzajów Cystolepiota, Echinodema, Lepiota, Leucoagaricus, Leucocoprinus, Macrolepiota i Melanophyllum. Zaprezentowano gatunki rzadkie, znane z nielicznych stanowisk w Polsce oraz 18 taksonów nowych dla tego terenu (Cystolepiota fumosifolia, C. moelleri, C. petasiformis, Echinoderma carini, E. pseudoasperula, Lepiota angustispora, L. apatelia, L. cingulum, L. cortinarius var. audreae, L. cristata var. felinoides, L. forquignonii, L. rubella, Leucoagaricus cinerascens, L. ionidicolor, L. sericifer var. sericellatus, Macrolepiota heimii, M. rhodosperma var. rhodosperma, M. venenata). Gatunki nie notowane wcześniej z obszaru Polski opisano w oparciu o cechy znalezionych okazów.
    Źródło:
    Acta Mycologica; 2011, 46, 2
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acidified water glass in the selective flotation of scheelite from calcite, part II: species in solution and related mechanism of the depressant
    Autorzy:
    Kupka, Nathalie
    Kaden, Peter
    Jantschke, Anne
    Schach, Edgar
    Rudolph, Martin
    Powiązania:
    https://bibliotekanauki.pl/articles/1845224.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    acidified water glass
    scheelite calcite separation
    froth flotation
    mechanism
    Opis:
    Sodium silicate is one of the main depressants against calcite and fluorite in the scheelite flotation industry. In the first part of this article, the authors acidified sodium silicate (AWG) with three acids (sulfuric, oxalic and hydrochloric) to improve its performance. Results showed that acidified water glass outperforms alkaline water glass in terms of selectivity: it increases mainly the grade by further depressing silicates and calcium-bearing minerals. In most cases, AWG requires lower dosages to do so. The effect of acidified water glass is evaluated through Mineral Liberation Analysis (MLA), froth analysis, Raman and Nuclear Magnetic Resonance (NMR) spectroscopy in order to hypothesize its mechanism. MLA shows that AWG affects silicates and sulfides more intensely than semi-soluble salttype minerals. Froth observations indicate other species in solution associated to the acid having an impact on the flotation results. Raman spectroscopy and NMR measurements indicate that the solution undergoes deep depolymerization when water glass is acidified. Lower molecular weight silica species, specifically Si-O monomers such as SiO(OH)3- will be responsible for the depression of the gangue minerals and are the drivers of the selectivity of AWG, more than orthosilicic acid. Depolymerization is more or less effective depending on the mass ratio of the acid to water glass and depending on the acid.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2020, 56, 5; 797-817
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wdrożenie do polskiego porządku prawnego rozporządzenia Parlamentu Europejskiego i Rady (UE) w sprawie działań zapobiegawczych i zaradczych w odniesieniu do wprowadzania i rozprzestrzeniania inwazyjnych gatunków obcych
    Implementation into the Polish legal order of the Regulation (EU) No 1143/2014 of the European Parliament and of the Council on the Prevention and Management of the Introduction and Spread of Invasive Alien Species
    Autorzy:
    Dziwisz, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2195406.pdf
    Data publikacji:
    2021
    Wydawca:
    Kancelaria Sejmu. Biuro Analiz Sejmowych
    Tematy:
    invasive alien species
    biodiversity and related ecosystem services
    Opis:
    The article presents both European and international aspects related to the protection of biodiversity and ecosystem services against invasive alien species. The author also presents national regulations and assesses the fulfillment of the requirements of the Regulation of the European Parliament on the Prevention and Management of the Introduction and Spread of Invasive Alien Species both by the provisions of the current Nature Protection Act and the draft Alien Species Act. He also draws attention to the problems of communes regarding combating Caucasus hogweed, especially in connection with the rejection of the possibility of issuing order regulations aimed at their elimination.
    Źródło:
    Zeszyty Prawnicze BAS; 2021, 1(69); 64-80
    1896-9852
    2082-064X
    Pojawia się w:
    Zeszyty Prawnicze BAS
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The lichen biota of Pinus sylvestris under the impact of some stand-related factors: a case study from the South-Eastern part of Zerków-Czeszewo Landscape Park (Wielkopolska-Kujawy Lowland)
    Autorzy:
    Zarabska-Bożejewicz, Daria
    Kujawa, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/11543413.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    lichenized fungi
    species richness
    pine
    Pinus sylvestris
    coniferous forest
    Zerkow-Czeszewo Landscape Park
    Wielkopolska-Kujawy Lowland
    Opis:
    A lichenological inventory was conducted in the pine stands in the south-eastern region of Żerków-Czeszewo Landscape Park. The aim of this study was to recognize the lichen species diversity on the bark of Pinus sylvestris by considering tree age and forest habitat type. In total, 26 species of lichenized fungi were found on the bark of P. sylvestris. The biota comprises common and widespread species in Poland. Tree age positively and significantly influenced the species richness on the bark of P. sylvestris. The suitability of the pine tree age for lichens evident as alpha diversity seemed to be independent from the habitat of the trees. The age of phorophytes strongly affected the presence of Hypocenomyce scalaris. Mixed fresh coniferous forests were characterized by higher beta- and gamma diversity compared to fresh coniferous forests. There was no correlation between the number of species per tree (alpha diversity) and diversification of species composition in relation to the distance between pines. The findings indicate that maintenance of a variety of phorophytes and age-diversified tree stands can prevent impoverishment of the lichen biota in the south-eastern part of Żerków-Czeszewo Landscape Park.
    Źródło:
    Acta Mycologica; 2021, 56, 1; 562
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the height growth of Picea abies as related to the geographical regions of Krutzsch (IPTNS-IUFRO 1964-68, years 1969-1988)
    Autorzy:
    Sabor, J
    Stanuch, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/41503.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    provenance
    genetic reactivity
    selection value
    height growth
    geographic region
    Beskid Sadecki Mountains
    plant population
    spruce
    species range
    Opis:
    The juvenile height growth of Norway spruce (Picea abies (L.) Karst.) was studied in 1095 spruce provenances included in the IUFRO inventory provenance test of 1964/68. Trees growing on the experimental site established in Krynica in the Beskid Sądecki Mts. (Carpathians) were measured at ca. 3-year intervals in the period 1969-1988, from the age of 6 years (i.e. 2 years of planting) to 25 years. The variability of tree height in this spruce population was assessed on the basis of the means expressed in units of standard deviation, calculated for each provenance and each geographical region of Krutzsch in successive years of measurement. Using the standardised units made it possible to characterise the dynamics of spruce growth in provenances from 95 geographical regions representing the whole European range of the species. The effects of geographical region, tree age and their interaction on the variability of height growth within this range were estimated using multi-way analysis of variance with replicated measurements. The regions showing similar spruce growth trends were grouped by using hierarchical cluster analysis. The results on the juvenile dynamics of height growth showed that spruce provenances from various geographical regions of Krutzsch differ significantly in their genetic reactivity. Based on this, several groups of regions were identified: (1) regions with average or weak but stable spruce growth characterised by no significant effects of age or genotype × age interaction in the whole measuring period, or regions with height growth improving with age; (2) regions of spruce provenances constituting a selection elite, with very good height growth in the whole measuring period or in its later part, characterised by no G × A interaction; (3) regions with varied genetic reactivity of height growth dynamics in the juvenile period, and regions of Scandinavian populations with poorest height growth in the whole measuring period. The studies proved that spruce provenances from the regions of Štiavnické Pohorie, Low Tatras (Slovakia), Masurian Lakeland, Augustów Lakeland, Podlasie, Silesian Beskid Mts., Beskid Żywiecki Mts. (Poland), Jutland (Denmark), Bihor Mts., Transylvania, and Eastern Carpathians (Romania) have a high selection value.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upper Carboniferous seed fern (Pteridospermophyta) pollen organs from Silesia (Poland) and related evolution considerations
    Organy pyłkowe paproci nasiennych (Pteridospermophyta) z górnego karbonu Ślaska (Polska) i łączące się z nimi rozważania ewolucyjne
    Autorzy:
    Pacyna, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/54929.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    seed fern
    pollen organ
    Medullosales
    Lyginopteridales
    Upper Carboniferous
    nodule
    Lower Silesian Coal Basin
    Upper Silesian Coal Basin
    Polska
    fern
    locality list
    taxonomy
    systematic description
    nomenclature
    synonym
    species list
    Opis:
    Extinct seed ferns (Pteridospermophyta) fill a key position in the evolutionary tree of seed plants. Their reproductive structures enable to recognition of the interrelationship within seed ferns and other seed plants descending from them. Seed fern reproductive structures from Poland are very rarely found and very poorly known, especially the pollen organs to which this paper is dedicated. A new genus and species Silesiatheca formosa Pacyna & Zdebska, gen. et sp. nov. of lyginopteridalean aggregated synangia was recognized based on specimens preserved within sideritic nodules from Sosnowiec. The genus Codonotheca is recognized from European Carboniferous for the first time. The least evolutionarily advanced species of Codonotheca − Codonotheca silesiaca Pacyna & Zdebska sp. nov., is described based on specimens with weakly expressed radial symmetry and slight fusion of the sporangia. This species matches the hitherto hypothetical simplest species of Codonotheca very well, constituting the initial form for all the more compound pollen organs of Medullosales. For the first time in the European Carboniferous the North American species Aulacotheca campbellii (White, 1900) Halle, 1933 is recognized. A new emended diagnosis for the typical species Boulayatheca fertilis (Kidston, 1914) Taylor & Kurmann, 1985 is proposed, based on specimens from Poland. Two new species of genus Boulayatheca Taylor & Kurmann, 1985 are recognized. Boulayatheca ciliata Pacyna & Zdebska, sp. nov. with a synangium surface covered with hairs (a feature hitherto unknown in the Boulayatheca genus) and Boulayatheca saganii Pacyna & Zdebska, sp. nov. with a markedly elongated synangium. Occurrence of Whittleseya Newberry, 1853a emend. Halle, 1933 typical species − Whittleseya elegans Newberry, 1853a was confirmed in Lower Silesia based on new specimens. Some specimens referred to earlier in the literature as W. elegans were ascribed here to the new species W. silesiaca Pacyna & Zdebska, sp. nov., which differs from typical species in synangium shape and sporangia clustering into groups. The new species Whittleseya campanulata Pacyna & Zdebska, sp. nov. has a large synangium and sporangia clustering into groups. Heterogeneity within the genus Whittleseya is recognized, where some species, including those new described here, probably formed compound synangia. The aggregated synangia of Medullosales are recognized in thecompression state of preservation for the first time they are the base for establishing a new genus and species Kotasotheca annaeadamii Pacyna & Zdebska, gen. et sp. nov. The genus Dolerotheca Halle, 1933 was recognized in the Polish Carboniferous for the first time and a new species Dolerotheca migierii Pacyna & Zdebska, sp. nov. was described. T.N. Taylor’s model of evolution of medullosalean pollen organs was confirmed, and the new taxa described were included within it.
    Wymarłe paprocie nasienne (Pteridospermophyta) zajmują kluczową pozycję w ewolucji roślin nasiennych, z których wyprowadza się nagozalążkowe wielkolistne (Cycadophytina) oraz okrytozalążkowe (Magnoliophytina). Organy rozrodcze paproci nasiennych pozwalają prześledzić pokrewieństwa w tej grupie, jak i wnioskować o powstaniu wywodzących się z nich innych grup roślin nasiennych. W karbonie Polski są rzadko znajdowane i bardzo słabo poznane, zwłaszcza słabo znane są męskie organy pyłkowe. W pracy opisano nowe organy pyłkowe z rzędów Lyginopteridales i Medullosales z górnego karbonu Dolnego i Górnego Śląska. Z rzędu Lyginopteridales opisano nowy rodzaj i gatunek mikrosynangiów − Silesiatheca formosa gen. et sp. nov. z langsetu Sosnowca. Są to połączone synangia zbudowane z okółka u nasady zrośniętych synangiów wyrastających z monopodialanej osi. Z rzędu Medullosales najliczniejsze są zróżnicowane taksonomicznie proste synangia zbudowane z radialnego okółka, silnie wydłużonych, zrośniętych mikrosporangiów. Wśród nich najprymitywniejszy jest nowy gatunek Codonotheca silesiaca sp. nov. (langset Sosnowca) o słabo wyrażonej symetrii promienistej i niewielkim zrośnięciu zarodni, którego istnienie postulowano w drzewach rodowych rzędu Medullosales (Taylor et al. 2009), jest to równocześnie pierwsze notowanie rodzaju Codonotheca (Sellards, 1903) Pacyna & Zdebska, emend. nov. z karbonu Europy, znanego dotychczas tylko z Ameryki Północnej. Bardziej zaawansowane ewolucyjnie są opisane gatunki Aulacotheca campbellii (White, 1900) Halle, 1933 (duckmant Wałbrzycha) o synangium pałeczkowato-cylindrycznym, Boulayatheca fertilis (Kidston, 1914) Taylor & Kurmann, 1985 Pacyna & Zdebska, emend. nov. (duckmant Wałbrzycha) o gruszkowatym synangium oraz nowy gatunek Boulayatheca ciliata sp. nov. (langset Sosnowca) o synangium bardzo podobnym do poprzedniego gatunku, ale owłosionym. Cecha ta nie była wcześniej znana u tego rodzaju. Gatunek Aulacotheca campbellii (White, 1900) Halle, 1933, dotyczczas znany był tylko z Ameryki Północnej, został po raz pierwszy stwierdzony z Europy. Po raz pierwszy z Polski został opisany rodzaj Boulayatheca Taylor & Kurmann, 1985 i gatunek Boulayatheca fertilis (Kidston, 1914) Taylor & Kurmann, 1985 Pacyna & Zdebska, emend. nov., Dla gatunku Boulayatheca fertilis (Kidston, 1914) Taylor & Kurmann, 1985 Pacyna & Zdebska, emend. nov. zaproponowano nową, poprawioną diagnozę. Z duckmantu Wałbrzycha pochodzi nowy gatunek Boulayatheca saganii sp. nov. o silnie wydłużonym synangium. Nową poprawioną diagnozę zaproponowano dla gatunku Boulaya hallei Gothan 1941 i nową kombinację z poprawną nazwą rodzajową − Boulayatheca hallei (Gothan, 1941) Pacyna & Zdebska, emend. et comb. nov. Z Dolnego Śląska (Wałbrzych) zostały opisane nowe gatunki rodzaju Whittleseya Newberry, 1853a emend. Halle, 1933. Te nowe materiały wskazują na heterogeniczność rodzaju Whittleseya, który uważano za zbudowany z pierścienia licznych, silnie wydłużonych zarodni (tak zbudowany jest gatunek typowy W. elegans Newberry, 1853a stwierdzony też w langsecie Wałbrzycha). Nowe okazy, będące podstawą opisania tu dwóch nowych gatunków tego rodzaju wskazują, że niektóre wśród nich mogły tworzyć złożone synangia, w których mikrosynangia (złożone z kilku zarodni każde), były ze sobą ściśle zrośnięte tworząc zwarty organ. Część okazów zaliczanych wcześniej do gatunku typowego Whittleseya elegans Newberry, 1853a wydzielono w tej pracy jako nowy gatunek Whittleseya silesiaca sp. nov. reprezentowany przez liczne, dobrze zachowane okazy. Różni się on od gatunku typowego kształtem synangium i skupianiem się mikrosporangiów w grupy. Nowy gatunek Whittleseya campanulata sp. nov. ma stosunkowo duże synangium i zarodnie również skupione w grupy. Po raz pierwszy również w stanie uwęglonym rozpoznano połączone synangia Medullosales zbudowane z kilku mikrosynangiów (każde mikrosynangium złożone z kilkunastu zarodni) zebranych razem, ale nie zrośniętych. Były one dotychczas znane jedynie z buł węglowych – rodzaj Parasporotheca. Na podstawie okazów z kopalni Piast (Oświęcim) opisano ich nowy rodzaj i gatunek − Kotasotheca annaeadamii gen. et sp. nov. Dzwonkowate, złożone synangium zbudowane z kilkuset ściśle zrośnietych zarodni umieszczonych w tkance podstwowej zidentyfikowano jako nowy gatunek Dolerotheca migierii sp. nov. (langset Sosnowca). Rodzaj Dolerotheca Halle, 1933 został po raz pierwszy rozpoznany w karbonie Polski. Nowo opisanymi taksonami potwierdzono model ewolucji organów pyłkowych paproci nasiennych z rzędu Medullosales zaproponowany przez T.N. Taylora (Taylor 1988; Taylor & Taylor 1993; Taylor et al. 2009). Umieszczono w jego obrębie opisane nowe rodzaje i gatunki (Fig. 2).
    Źródło:
    Monographiae Botanicae; 2010, 100
    0077-0655
    2392-2923
    Pojawia się w:
    Monographiae Botanicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-23 z 23

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