Temat: spores - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Quantitative relationship of spore and plant assemblages from the Radnice Basin, Middle Pennsylvanian of the Czech Republic : preliminary results
Autorzy:: Bek, Jiří
Opluštil, Stanislav
Pšenička, Josef
Votočková-Frojdová, Jana
Powiązania:: https://bibliotekanauki.pl/articles/2058692.pdf
Data publikacji:: 2021
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Pennsylvanian
spores
fossil plants
Opis:: Dispersed miospore and pollen assemblages are described from the Radnice Basin, Middle Pennsylvanian, Czech Republic. Conversion factors (R-values) were produced by comparing the palynological data with quantified macrofloral data, to relate the percentages of spore/pollen taxa to those of the major plant groups that produced them. Among arborescent lycopsids, the miospore and macroplant counts are more or less equal. In other lycopsids miospores are strongly over-represented, as their macroplant remains were relatively fewer than would be suggested by the proportion of their spores in miospore spectra. Sphenophyll and calamitid macroplants were also relatively fewer than are their spores as a proportion of palynological spectra. By contrast, macroplants of ferns and cordaites are relatively more numerous than are their miospores and pollen in palynological spectra.
Źródło:: Geological Quarterly; 2021, 65, 4; 205--215
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: From the bare footprint to pollen and spores trace (selected issues of forensics)
Autorzy:: Zachuta, Andrzej
Powiązania:: https://bibliotekanauki.pl/articles/1832555.pdf
Data publikacji:: 2015
Wydawca:: Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie
Tematy:: palynology
pollen
spores
forensic
crime
perpetrator
Opis:: Article concerns the issue of trace as a part of investigation, its importance for detecting crime and perpetrators. since the middle of 20th century, the palynological technique became a valuable source of information. For these reasons, the paper focuses mainly on the judicial (forensic) palynology. Briefly the phenomenon of pollen and spores spectrum is presented, ways of its’ analysis, the value of obtained results and the scope of application. Examples of inquiry and judicial practices are given, although not only limited to the usefulness of palynology in investigations. In addition, scientific methods of palynology and the verification procedure are indicated.
Źródło:: Security Dimensions; 2015, 14(14); 77-97
2353-7000
Pojawia się w:: Security Dimensions
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Variability of Spores of Ceratomyxa appendiculata Thélohan, 1892 (Myxozoa, Bivalvulida)
Autorzy:: Maillo-Bellón, Pedro-Andrés
Powiązania:: https://bibliotekanauki.pl/articles/763726.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:: Ceratomyxa appendiculata, gallbladder, Myxozoa, abnormal spores
Opis:: Spore variability of Ceratomyxa appendiculata Thélohan, 1892, found in the gallbladder of black angler-fish, Lophius budegassa from NE Spain were studied by light microscopy and, for the first time, by scanning electron microscopy. More than 18,000 spores of C. appendiculata were examined, classified and quantified. Of this, 98.31% were bivalvular normal spores, the rest were abnormal spores (1.63% were trivalvular spores and 0.06% were tetravalvular spores). The monthly evolution of these spores was followed for ten months. Differences among the proportions of trivalvular spores in different months were significant. Percentage of trivalvular spores ranged from 9.90% (May) to 0.00% (December). The highest percentage of tetravalvular spores was reached in november (0.39%). Some polysporous trophozoites can produce simultaneously normal and abnormal spores.
Źródło:: Acta Protozoologica; 2009, 48, 1
1689-0027
Pojawia się w:: Acta Protozoologica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Możliwość bezpośredniego działania nawozu Actifos na niektóre patogeny roślin
Possibility of a direct action of the fertilizer Actifos against some plant pathogens
Autorzy:: Wojdyła, A.T.
Czajka, A.E.
Powiązania:: https://bibliotekanauki.pl/articles/2119553.pdf
Data publikacji:: 2019
Wydawca:: Instytut Ogrodnictwa
Tematy:: fertilizer
Actifos
direct action
inhibition
mycelium
spores
Opis:: An in vitro study was conducted on the direct action of the fertilizer Actifos (an ammonium form of phosphite that contains 10% nitrogen and many microelements: B, Cu, Fe, Mo, Zn) in doses of 0, 100, 500, 1000, 3000 and 6000 μg·ml-1 added to potato dextrose agar (PDA) medium against the growth of pathogen cultures. The study included the pathogens: Botrytis cinerea, Colletotrichum gloeosporioides, Fusarium oxysporum f. sp. dianthi, Myrothecium roridum, Paraconiothyrium fuckelii, Phytophthora cinnamomi, P. cryptogea, Pythium ultimum, Rhizoctonia solani, Sclerotinia sclerotiorum. Actifos added to potato dextrose agar (PDA) at a dose of 6000 μg·ml-1 was shown to completely inhibit the growth of the mycelia of P. cinnamomi and S. sclerotiorum. For the mycelia of B. cinerea, P. fuckelii, P. cryptogea and P. ultimum, the inhibition of growth was more than 80%. However, it was observed that at a concentration of 100 μg·ml-1 the fertilizer stimulated the growth of B. cinerea and P. ultimum cultures, and in doses of 1000 and 3000 μg·ml-1 that of C. gloeosporioides. The study also showed that the fertilizer Actifos introduced into the medium at concentrations of 100 to 1000 μg·ml-1 inhibited the germination of Diplocarpon rosae spores by 27% to 79.7%. At concentrations of 3000 μg·ml-1and higher, spore germination was not observed. By comparison, the fertilizer Actifos used for spraying rose bushes at a concentration of 0.6% caused the germination of D. rosae spores to be inhibited by 82% after 1 day, 87.9% after 7 days, and by 37.5% after 14 days.
Źródło:: Zeszyty Naukowe Instytutu Ogrodnictwa; 2019, 27; 63-72
2300-5882
2391-8969
Pojawia się w:: Zeszyty Naukowe Instytutu Ogrodnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Lightning-caused and human-induced forest fires as evidenced by Pteridium spores in selected Quaternary records from Poland
Autorzy:: Bińk, K.
Nitychoruk, J.
Powiązania:: https://bibliotekanauki.pl/articles/2027013.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: bracken spores
fires
Qua ter nary
Po land
Opis:: The oc cur rence of Pteridium spores – the com mon fire-adapted plant – was ob served in Po land’s Pleis to cene (three interglacials and nu mer ous interstadials) and Ho lo cene pol len se quences. Un til the on set of the mid dle Ho lo cene, bracken was re corded rel a tively rarely. This marks cli ma tic con di tions with spo radic wildfires, fol lowed by quick re - moval of the clones (or main te nance of the clones in a sup pressed state) in the sub se quent, post fire successional stages. In each inter gla cial we can also iden tify short pe ri ods (most of ten syn chro nous) of some what higher fre quency of Pteridium, in di cat ing a pos si ble in crease in nat u ral fires as an ef fect of stormy con di tions. These short pe ri ods are placed mainly within phases dom i nated by co nif er ous wood lands. The very high con tent of bracken found from a reanalysis of the long Saalian se quence at Ossówka as three reg u lar cul mi na tions just above three non-tree phases, east ern Po land is the unique ex cep tion. To ex plain this we found the close mod ern an a logue of the above phe nom e non in the Alas kan re gion, at the bound ary be tween the tun dra and the bo real zone where in a very nar row for est zone, es - pe cially with the con ti nen tal sig na ture, light ning-ini ti ated fires are very fre quent (the edge ef fect). Pleis to cene re cords of bracken dur ing for est pe ri ods might in di cate that thun der storms and light ning strikes were re spon si ble for its higher con tent. This is not to ex clude the pos si bil ity that inter gla cial fires were set by Palaeo lithic hu mans. How ever, it is more likely that the wildfires were uti lized and to some ex tent con trolled, es pe cially at Ossówka, where the palaeolake ex isted for a long time af ter the inter gla cial; and this surely at tracted the at ten tion of game and hu mans. Our in ves ti ga - tions show that rare, more abun dant Pteridium in the Pleis to cene se quences can be traced through out the cor re sponding pe ri ods even at dis tant sites. This might be in di rect ev i dence of a cli ma tic pat tern that pro mote stormy con di tions and fires at that time. In the Ho lo cene, dif fer ent fac tors seem to be re spon si ble for the long-term dy nam ics in Pteridium clones. Both in Po land and in ad ja cent ar eas bracken peaked in the mid dle Ho lo cene from 8000 to 5000 BP, when this ter ri tory was oc cu pied by de cid u ous wood lands. There is agree ment that this is due to burn ing of for ests by the hunter-gath erer so ci et ies of the Late Mesolithic. How ever, in spite of in creased clear ings in the sub se quent phases bracken sub stan tially de creased in abun dance. This means first of all that fires rather than clear ings were re spon si ble for the rise in Pteridium spores in the Ho lo cene pol len se quences.
Źródło:: Studia Quaternaria; 2013, 30; 29-40
1641-5558
2300-0384
Pojawia się w:: Studia Quaternaria
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Mesozoic spores of Poland – a revision of selected taxa
Mezozoiczne spory Polski – przegląd wybranych taksonów
Autorzy:: Waksmundzka, M.
Powiązania:: https://bibliotekanauki.pl/articles/2062009.pdf
Data publikacji:: 2014
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Mesozoic spores
taxonomy
systematics
spory mezozoiczne
taksonomia
systematyka
Opis:: The study presents a taxonomic analysis of 44 taxa from the Mesozoic deposits of Poland. The spores have been ordered in a systematic way. Variability in interpretations of similar morphological or typical features of individual taxa have been presented. In case of same species the influence of the postdepositional processes on the morphological features of spores have been suggested.
Analizowano taksonomicznie 44 taksony z utworów mezozoiku Polski. Uporządkowano je według sztucznej systematyki. Przy opisie niektórych taksonów spor zasugerowano wpływ czynników postdepozycyjnych na ich cechy morfologiczne.
Źródło:: Biuletyn Państwowego Instytutu Geologicznego; 2014, 460; 25-87
0867-6143
Pojawia się w:: Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: New findings of airborne fungal spores in the atmosphere of Havana, Cuba, using aerobiological non-viable methodology
Autorzy:: Almaguer-Chaves, M.
Aira, M.J.
Rojas, T.-I.
Fernandez-Gonzalez, M.
Rodriguez-Rajo, F.-J.
Powiązania:: https://bibliotekanauki.pl/articles/2081740.pdf
Data publikacji:: 2018
Wydawca:: Instytut Medycyny Wsi
Tematy:: airborne fungal spores
non-viable methodology
Havana
Cuba
Opis:: Introduction. Although airborne fungal diversity in tropical countries is known to be considerable, aerobiological research to-date has identified only a part of the fungal mycobiota that may have an impact both on human health and on crops. Previous studies in Havana city identified only 30 genera and 5 spore types; therefore,new research is required in these latitudes. This study sought to investigate airborne spore levels in Havana, with a view to learning more about local fungal diversity and assessing its influence in quantitative terms. Materials and method. A Hirst type volumetric sampler was located on the rooftop of a building 35 meters above ground level, in a busy area of the city. Sampling was carried out continuously (operating 24hours/day), at 10 L per minute during the year 2015. The fungal spores were collected on a Melinex tape coated with a 2% silicone solution. The results were expressed as spores per cubic meter (spores/m3) of air when to referring to daily values, and spores count if referring to annual value. Results. Fourteen new genera were identified in the course of volumetric sampling: six produce ascospores and eight conidia. Morphobiometric characteristics were noted for all genera, and airborne concentrations were calculated. These genera accounted for 56.4% of relative fungal frequency over the study year. Conclusions. Many airbone fungi are primary causes of both respiratory disease and crop damage. These new findings constitute a major contribution to Cuba’s aerobiological database.
Źródło:: Annals of Agricultural and Environmental Medicine; 2018, 25, 2; 349-359
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: A reassessment of the Pennsylvanian lycophyte cone Triplosporite Brown
Autorzy:: Thomas, B. A.
Bek, J.
Powiązania:: https://bibliotekanauki.pl/articles/138841.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Lepidostrobus
Lycospora
in situ spores
Triplosporite
Cones
Carboniferous
zarodniki
szyszka
karbon
Opis:: The type collection of the lycopsid cone species Triplosporite brownii Unger was re-examined to assess its in situ spores. The cones are monosporangiate with only microspores that possess both cingulum and zona. They equate to the dispersed miospore genus Lycospora and would be identified as Lycospora cf. pseudoannulata. Therefore, the genus Triplosporite Brown is shown to be a junior synonym to Lepidostrobus and a species emendation is given. A comparison is given with the other Lepidostrobus cones which yielded similar in situ microspores of the Lycospora pellucida Group.
Źródło:: Acta Geologica Polonica; 2014, 64, 2; 139-145
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Resistance of Bacillus Amyloliquefaciens Spores to Melt Extrusion Process Conditions
Odporność zarodników na warunki technologiczne procesu wytłaczania stopu polimeru
Autorzy:: Ciera, L
Beladjal, L
Almeras, X
Gheysens, T
Nierstrasz, V
Van, Langenhove L
Mertens, J
Powiązania:: https://bibliotekanauki.pl/articles/233228.pdf
Data publikacji:: 2014
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:: Bacillus amyloliquefaciens
spores
resistance
melt extrusion
zarodniki
odporność
wytłaczanie na gorąco
Opis:: With the increasing demand for functionalised textile materials, industry is focusing on research that will add novel properties to textiles. Bioactive compounds and their benefits have been and are still considered as a possible source of unique functionalities to be explored. However, incorporating bioactive compounds into textiles and their resistance to textile process parameters has not yet been studied. In this study, we developed a system to study the resistance of Bacillus amyloliquefaciens spores against melt extrusion process parameters, like temperature (21, 200, 250, 300 °C), pressure (0.1, 0.6 and 1.0 MPa) and residence time (0, 1 and 10 minutes). The spores were successfully embedded in PET (polyethylene terephthalate) films and fibres through melt extrusion. Afterwards the survival rate of the spores was determined after extrusion and the data was used to develop a quadratic equation that relates the survival rate to the spore concentration.
Wraz ze wzrostem zainteresowania funkcjonalizacją tekstyliów, przemysł skupia swoją uwagę na badaniach, dzięki którym można nadać nowe właściwości tekstyliom. Bioaktywności produktów jest jednym z czynników, które mają bardzo duże znaczenie. Jednakże możliwości wprowadzania substancji bioaktywnych do stosowanych materiałów włókienniczych nie są dostatecznie poznane. W pracy przedstawiono badania pozwalające na określenie odporności zarodników Bacillus amyloliquefaciens na warunki procesu wytłaczania stopów polimerów. Badania prowadzono przy temperaturach 21, 200, 250, 300 °C, ciśnieniach 0.1, 0.6 and 1.0 MPa oraz czasie oddziaływania 1 i 10 minut. Zarodniki wprowadzono do stopu PET i wytłaczano w postaci folii i włókien. Określono zależności przeżycia zarodników w zależności od ich stężenia w stopie polimerów.
Źródło:: Fibres & Textiles in Eastern Europe; 2014, 2 (104); 102-107
1230-3666
2300-7354
Pojawia się w:: Fibres & Textiles in Eastern Europe
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Porównanie technik spektroskopii FTIR stosowanych do identyfikacji materiału biologicznego
Comparison of FTIR spectroscopy techniques used for biological material identification
Autorzy:: Mularczyk-Oliwa, M.
Kwaśny, M.
Włodarski, M.
Kaliszewski, M.
Powiązania:: https://bibliotekanauki.pl/articles/209489.pdf
Data publikacji:: 2009
Wydawca:: Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:: spektroskopia FTIR
HATR
DRIFT
bakteria żywa
spory
FTIR
vegetative bacteria
spores
Opis:: Spektroskopia podczerwieni FTIR była wielokrotnie demonstrowana przez liczne zespoły badawcze jako jedna z głównych metod identyfikacji i klasyfikacji materiału biologicznego, jakim są żywe bakterie oraz ich spory. W niniejszej pracy porównano techniki, którymi dysponuje spektroskopia FTIR: klasyczną technikę transmisyjną, technikę wielokrotnego wewnętrznego odbicia - Horizontal Attenuated Total Reflectance (HATR) oraz technikę dyfuzyjnego rozproszenia - Diffuse Reflectance Infrared Fourier Transform (DRIFT). Powyższe techniki zastosowano do analizy materiału biologicznego: bakterii i ich sporów, podłoża dla bakterii, pyłków, aminokwasów i białek. Stwierdzono powtarzalność wyników badań tej samej substancji wykonanych trzema technikami. Techniki HATR i DRIFT mogą stanowić alternatywę do tradycyjnej techniki transmisyjnej ze względu na możliwość bezpośredniego pomiaru materiału biologicznego bez wcześniejszej obróbki. Na podstawie analizy widm uzyskanych za pomocą HATR i DRIFT popartej dodatkowo analizą statystyczną - analizą głównych składowych (PCA), stwierdzono przydatność technik w rozróżnianiu żywych bakterii od ich form przetrwalnikowych oraz podłoża.
Abstract. as spores and vegetative cells has been demonstrated by several laboratories using FTIR spectroscopy. In the present work three techniques of FTIR spectroscopy have been discussed: classical transmission techniques using transmission mode, Diffuse Reflectance Infrared Fourier Transform (DRIFT), and Horizontal Attenuated Total Reflectance (HATR). Different groups of biological material have been measured: vegetative cells of bacteria, bacterial spores, background materials, pollens, aminoacids, and proteins. Spectra of the same material achieved using three different FTIR techniques were similar to each other. Main advantage of HATR and DRIFT in comparison with a transmission mode is minimum sample preparation of biological material. These results also demonstrate that FTIR techniques in combination with statistical Principal Component Analysis (PCA) provide rapid and reliable distinction between vegetative bacteria, bacterial spores, and background particles.
Źródło:: Biuletyn Wojskowej Akademii Technicznej; 2009, 58, 3; 239-257
1234-5865
Pojawia się w:: Biuletyn Wojskowej Akademii Technicznej
Dostawca treści:: Biblioteka Nauki

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