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Tytuł:
Analysis of Polymorphic DNA Sequences in the Identfication of Individuals and its Possible Use in Biometric Systems
Autorzy:
Kartasińska, E.
Brągoszewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/308733.pdf
Data publikacji:
2015
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
DNA identifcation
DNA matching
genetic markers
genetic profiling
Opis:
The article presents the achievements in DNA forensic science practice, the latest developments as well as future trends. The article concerns also other than forensic DNA applications as well as expectations, concerns and obstacles. DNA identification technology unlike other biometric techniques requires the collection of biological material and the identification is not performed in real time. DNA utilized in most of forensic identification, is present almost in every living cell in the body. What is more, each cell of the same body has the same DNA molecule which means that it is possible to compare the DNA sampled from different sources, for example saliva with blood or semen from the same person. Rapid development and reliability of DNA technology contribute to the fact that the analysis of polymorphic DNA sequences constitutes a very important evidence used in the court. The unique properties of DNA and rapid development of DNA analytical devices allow to claim that DNA may assume a more important position amongst biometric data in the future.
Źródło:
Journal of Telecommunications and Information Technology; 2015, 2; 11-17
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dependence of Aerobic Performance of Athletes on Polymorphism of Genes
Autorzy:
Drozdovska, Svitlana B.
Lysenko, Olena M.
Dosenko, Victor E.
Ilyin, Vladimir N.
Powiązania:
https://bibliotekanauki.pl/articles/1055065.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
aerobic performance
gene polymorphisms
molecular-genetic markers
sport selection
Opis:
The adaptation of an athlete to systematic physical exercise has been shown to be determined by a combination of great many genes. The aim of our study was to investigate the dependence of the aerobic capacity parameters in sport on the set of gene polymorphisms. Cardio-respiratory system (CRS) adaptation reactions to exercise of 72 endurance athletes were assessed using the gas analysis. The analysis of the obtained results has shown both single and combined effect of the gene polymorphisms on the aerobic capacity. The impact of 6 polymorphisms on the aerobic performance level was analyzed: Т–786→С polymorphism of the promoter of еNOS gene as well as АСЕ I/D polymorphism, Рго/Ala polymorphism of PPARG gene, G/C polymorphism of PPARA gene, Pro582Ser polymorphism of HIF1α gene, and Ala203Pro polymorphism of PPARGC1B. It was found that a single impact on the HRmax providing АСЕ I/D polymorphism. Individual influence of АСЕ gene accounts for 2% of this index dissipation. Results showed that there is a dependence between the amount the maximum volume of consumed oxygen (VO2max) from the set of gene polymorphisms. Cumulative impact of these polymorphisms in the combination with the individual parameters (gender; qualification; kind of sport) stipulates 71% of dispersion of VO2max value.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2015, 9, 1; 65-73
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selekcja genomowa w hodowli drzew leśnych - podstawowe założenia, problemy i perspektywy
Genomic selection in forest tree breeding - basic principles, problems and future prospects
Autorzy:
Żukowska, W.B.
Wójkiewicz, B.
Lewandowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/978931.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
breeding value
genetic gain
genetic markers
marker−assisted selection
quantitative trait locus
single
nucleotide polymorphism
Opis:
All tree breeders cope with the same challenge of the very long time interval of a single breeding cycle. What is more, trees are long−lived, with desirable breeding traits expressing late during their life cycle. Increasing problems with climate change, globalization or economic growth have forced us to accelerate tree breeding and improve selection precision, both of which can be achieved by genomic selection (GS). The idea of GS was introduced nearly 20 years ago as an extension of marker−assisted selection (MAS) in order to advance breeding technologies using genetic markers. Unlike MAS, which exploits only a set of marker−trait associations, GS relies on a high number of genetic markers that are spread throughout the entire length of the genome. All markers effects are assessed simultaneously in order to build a precise model that allows prediction of genetic estimated breeding value of a particular individual using genetic data only. GS has already revolutionized dairy cattle breeding resulting in remarkable improvements across multiple traits and is becoming more and more common in crop production. We now know that genetic architecture of quantitative traits is complex, but recent advances in genomics have made it possible to deal with this problem in an unprecedented way. There are certain concerns regarding GS in forest tree species that include genotype−environment (G×E) interaction and the usefulness of the predictive model built up by GS in the next generation of trees. Nevertheless, experimental results obtained so far have shown that the genetic gain per unit time as well as selection precision can be substantially increased. Here we present the basic principles of GS for forest tree species, giving examples of studies carried out so far and discussing problems and future possibilities that GS may soon open up for forest tree breeders.
Źródło:
Sylwan; 2020, 164, 05; 384-391
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neurophysiological maturation in adolescence - vulnerability and counteracting addiction to alcohol
Autorzy:
Chwedorowicz, Roman
Skarżyński, Henryk
Pucek, Weronika
Powiązania:
https://bibliotekanauki.pl/articles/989898.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
adolescence
neurophysiological maturation
alcohol vulnerability
alcohol addiction
genetic markers
event-related potential (erp)
p3 amplitude
event-related oscillation (ero
electroencephalography (eeg)
Opis:
The results of contemporary studies confirm the formation of two neural networks in the brain during the period of adolescence. The first is defined as emotional, located in the limbic system, develops earlier, quicker, and more intensively than the second one in the prefrontal cortex, called the judgement network, which fulfils the role of control and inhibition of emotional reactions. The domination of the emotional network in adolescence is manifested by hyperactivity of the limbic system, accompanied by intensified undertaking of courageous, reckless, risky, or even sometimes dangerous actions, so very characteristic in the maturation. The aim of the article is to present the state of the art in the field of latest achievements in experimental neurophysiology related to the maturation of the structural end functional processes in adolescents, and to alcohol vulnerability. Alcohol effect initiation starts in early adolescence, and therefore is connected with alcohol abuse and addiction in adulthood, which confirms the necessity for provision of an early prophylactic protection for juveniles, even before entering the phase of early adolescence. Some electrophysiological characteristics, such as low P3 amplitude of the Event-Related Potential (ERP) and Event-Related Oscillations (EROs), are manifested by their high risk offspring, and are considered to be biological markers (endophenotypes) of a predisposition to develop alcohol use disorders. Electroencephalographic oscillations induced within the range of the theta and delta waves (Event-Related Oscillation- ERO), considered as endophenotypes and markers of increased vulnerability for addiction, present three groups of genes and three types of neurotransmitters, with gamma aminobutyric acid, acetylcholine and glutamate as neurotransmitters in the central nervous system. A new research approach consisting in the application of electroencephalographic methods and techniques in developmental and genetic studies of the conditioning of varied vulnerability, and especially increased preferences for alcohol tasting and abuse in adolescence, provide unique possibilities for comprehensive and deepened studies which may contribute to the prevention of alcohol addiction, the genesis of which, to a great extent, is related with the effect of causative environmental and genetic factors during adolescent development.
Źródło:
Annals of Agricultural and Environmental Medicine; 2017, 24, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przepukliny świń - problem weterynaryjno-hodowlany
Hernias in pigs - veterinary and breeding problem
Autorzy:
Woźniak, Jakub
Loba, Weronika
Iskrzak, Paweł
Kujawa, Konstancja
Wojtczak, Janusz
Nowacka-Woszuk, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/22180965.pdf
Data publikacji:
2021
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
trzoda chlewna
wady wrodzone
przepukliny
przepuklina pachwinowa
markery genetyczne
przepuklina pępkowa
ekspresja genów
odziedziczalność
umbilical hernia
inquinal hernia
genetic markers
heritability
pig
gene expression
Opis:
The occurrence of hernias in pigs is a serious breeding and veterinary problem. Hernia is a condition in which internal organs (most often intestines), protrude through an opening in the layers of muscle and connective tissue of the abdominal wall. There are two major types of hernia - umbilical and inguinal. This pathology is a serious problem in pig production, leading to economic loss through the cost of surgical intervention, increased mortality rate, and reduced carcass value. The overall incidence of hernias in a normal swine population is low but may increase due to matings to a boar that transmits inguinal hernias. The heritability of this trait oscillates around 0.3. Current knowledge of hernias in pigs is scarce, and mostly based on genome-wide association studies. In this review, we indicate the recent studies concerning the genetic markers association analysis in terms of heritability of hernias in pigs. Moreover, the new approach focused on differently expressed genes in swine hernias etiology is here discussed.
Źródło:
Życie Weterynaryjne; 2021, 96, 06; 408-411
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pochodzenie jodły pospolitej (Abies alba Mill.) z Nadleśnictwa Osusznica w świetle badań DNA cytoplazmatycznego - ostoja jodły sudeckiej na Pomorzu?
Origin of silver fir (Abies alba Mill.) from Osusznica Forest District revealed by cytoplasmic DNA markers - refugium of Sudety fir in Pomerania?
Autorzy:
Dzialuk, A.
Czarnecki, J.
Gout, R.
Filipiak, M.
Powiązania:
https://bibliotekanauki.pl/articles/993081.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
Nadlesnictwo Osusznica
drzewa lesne
zmiennosc genetyczna
jodla pospolita
Abies alba
pochodzenie roslin
markery genetyczne
DNA chloroplastowy
DNA mitochondrialny
origin of silver fir
abies alba
mt dna
cp dna
genetic markers
Opis:
Genetic markers in mitochondrial and chloroplast DNA were analysed to determine the native status and possibly trace the origin of the silver fir (Abies alba Mill.) growing outside this species natural range in Osusznica Forest District (northern Poland). The provenance of the extralimital populations were determined through comparison with reference samples from the native range of silver fir in Poland and Ukraine. Our results suggest that the Sudety Mts. are the most probable region of the origin of fir from Osusznica. It also seems that the plus seed stands in Osusznica can be treated as a valuable archive of the genetic resources of the fir from the Sudety and, if necessary, may support program of this species restitution.
Źródło:
Sylwan; 2013, 157, 02; 139-148
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of AFLP Molecular Markers for Estimating Genetic Similarity of Alfalfa (Medicago Sativa L. Sl.)
Autorzy:
Dobrzycka, Agnieszka
Broda, Zbigniew
Bocianowski, Jan
Ćwiklinska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2199044.pdf
Data publikacji:
2009-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
AFLP markers
alfalfa
genetic similarity
diversity
Opis:
The aim of study was to determine genetic similarity among sixteen alfalfa populations using the AFLP technique. Plant material was selected considering the high genotypic variability. It included populations of different origin: native forms of alfalfa (secondary ecotypes), inbred lines, single hybrids, synthetic populations, varieties and mutants...
Źródło:
Plant Breeding and Seed Science; 2009, 60; 61-71
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of RAPD, ISSR and SSR markers in assessing genetic diversity among rye*(Secale cereale L.) inbred lines
Autorzy:
Myśków, Beata
Milczarski, Paweł
Masojc, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2199589.pdf
Data publikacji:
2010-12-01
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
dendrogram
genetic diversity
molecular markers
rye
Opis:
Forty eight inbred lines of winter rye, of various origin and pedigree, were analysed using 19 RAPD (random amplified polymorphic DNA) primers, 8 ISSR (inter-simple sequence repeats) primers and 13 SSR (simple sequence repeats) primer pairs. On the basis of particular marker types, there were created three separate dendrograms and one combined similarity tree, prepared on account of the whole data. Correlation coefficients for individual technique based on genetic similarity matrices were not significant. By comparing the GS data obtained on the basis of singular methods with collective matrix, it was observed that the highest correlation rate was for ISSR method (r=0.68). The utility of each marker technique was compared by using marker index MI. Diversity detecting index (DDI) was suggested in the paper, which may prove helpful in planning and comparing researches on phenetic relationships...
Źródło:
Plant Breeding and Seed Science; 2010, 62; 107-116
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
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:
Interval mapping of genes controlling growth of rye plants
Autorzy:
Milczarski, Paweł
Masojć, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2198924.pdf
Data publikacji:
2003-12-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
QTLs
growth
genetic map
molecular markers
Secale cereale L.
Opis:
The F2-type population derived from the cross between DS2 and RXL1O inbred lines was used for interval mapping of five growth related traits i.e. plant height, spike length, thousand grain weight, kernel length and kernel thickness. Scanning of the whole 1,140 cM length of rye genetic map consisting of 286 marker loci revealed the existence of 6 regions containing QTL5 on chromosomes 1R-5R. Plant height was strongly affected by 1-3 linked dwarfing genes from a distal region of the chromosome 5RL and by 1 gene on the chromosome 3RL, tightly linked to a marker loci Xpsr4 75. These same genes regulated also thousand grain weight and kernel length and thickness. Spike length was determined only by the QTL from chromosome 5RL. In addition a single QTL from chromosome 2R affecting thousand grain weight and kernel thickness was identified, near the molecular marker locus Xrsq8OS. 1. Kernel length and kernel thickness were additionally controlled by QTL5 on chromosomes 2R and 1R and 4R, respectively.
Źródło:
Plant Breeding and Seed Science; 2003, 48; 135-142
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Population genetic structure of Iris pumila L. in Ukraine: effects of habitat fragmentation
Autorzy:
Bublyk, O.
Andreev, I.
Parnikoza, I.
Kunakh, V.
Powiązania:
https://bibliotekanauki.pl/articles/2117815.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
conservation
genetic polymorphism
habitat fragmentation
ISSR markers
population
genetics
Opis:
Habitat fragmentation is one of serious threats to biodiversity of nature in today's world. The present study of a typical steppe species Iris pumila L. (Iridaceae) has analyzed the impacts of geographical isolation and population size on genetic diversity and population structure in conditions of habitat fragmentation. The key indices of population genetic variability calculated from the ISSR markers data were on average as follows: Shannon diversity index (S) – 0.188; unbiased Nei’s gene diversity (He ) – 0.123; and the average measure of Jaccard’s genetic distances between individuals within populations – 58.4%. Although the largest population had significantly higher values of S and He, the small and marginal populations also showed a comparable level of variation. Most of the genetic variation of I. pumila was distributed within the populations. A strong correlation was found between Nei’s genetic distances and geographic distances between the populations. According to the Bayesian analysis, genetic structure of the populations was highly homogeneous; however, the presence of admixed genotypes indicated the possibility of gene flow between the populations at present.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2020, 62, 1; 51-61
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza podobieństwa genetycznego wybranych gatunków w rodzaju Secale
The analysis of genetic similarity among Secale species
Autorzy:
Broda, Zbigniew
Kurasiak-Popowska, Danuta
Kowalska, Aleksandra
Ćwiklińska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/41446083.pdf
Data publikacji:
2008
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
markery RAPD
podobieństwo genetyczne
żyto
RAPD markers
genetic similarity
rye
Opis:
Przedmiotem badań była analiza podobieństwa genetycznego form dzikich z rodzaju Secale. Materiałem roślinnym były gatunki żyta: Secale cereale subsp. afghanicum, Secale cereale subsp. dighoricum, Secale cereale subsp. segetale, Secale strictum subsp. africanum. Secale strictum subsp. anatolicum, Secale strictum subsp. ciliatoglume, Secale strictum subsp. kuprijanovii, Secale strictum, Secale sylvestre oraz Secale vavilovii. Analiza prążków RAPD pozwoliła na wytypowanie starterów generujących polimorficzne prążki, pozwalające zróżnicować badane gatunki i podgatunki z rodzaju Secale. Przeprowadzone badania pozwoliły na podział roślin na trzy grupy o różnym stopniu podobieństwa genetycznego. Wieloletnie gatunki z rodzaju Secale utworzyły jedną grupę podobień- stwa, a gatunki jednoroczne dwie grupy, w których podobieństwo wynosiło od 11 do 21%.
The aim of this study was the analysis of genetic similarity among Secale species. The plant material included: Secale cereale subsp. afghanicum, Secale cereale subsp. dighoricum, Secale cereale subsp. segetale, Secale strictum subsp. africanum, Secale strictum subsp. anatolicum, Secale strictum subsp. ciliatoglume, Secale strictum subsp. kuprijanovii, Secale strictum, Secale sylvestre and Secale vavilovii. Based on the RAPD (random amplified polymorphic DNA) analysis primers generating polymorphic products were selected, which made possible to differentiate species and subspecies of Secale. Three groups of the Secale species were distinguished according to the different degree of genetic similarity. Perennial species were classified in one group of similarity, and annual species in two groups, in which the similarity ranged from 11 to 21%.
Źródło:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2008, 247; 65-71
0373-7837
2657-8913
Pojawia się w:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using SSR markers for assessment genetic diversity and detection drought escape candidate genes in barley lines (Hordeum vulgare L.)
Autorzy:
Gougerdchi, Vahideh
Dezhsetan, Sara
Ebrahimi, Mohammad Ali
Sadeghzadeh, Behzad
Savari, Sona
Powiązania:
https://bibliotekanauki.pl/articles/2199609.pdf
Data publikacji:
2014-12-18
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Association analysis
barley
genetic diversity
Microsatellite markers (SSR)
drought escape
Opis:
Assessment of genetic diversity using molecular markers is one of the primary and important steps in breeding programs. In this study, genetic diversity of 52 barley lines evaluated using 68 SSR primer pairs and 47 primer pairs produced clear and polymorphic banding pattern. In general, 153 polymorphic alleles de-tected. The number of observed polymorphic alleles varied from 2 to 9, with an average of 3.26 alleles per locus. Polymorphic Information Content (PIC) ranged from 0.07 to 0.81, with an average of 0.45. In this research, SSR markers differentiated the studied lines efficiently. Using cluster analysis, studied barley lines divided into two groups. Genetic diversity was relatively corresponding with geographical origins, because the lines related to a country somewhat diverged from each other. Two-rowed Iranian and Chinese barleys classified in one subgroup. Also, most six-rowed barleys classified in one subgroup. Association mapping analysis was used to identify candidate genes for drought escape in barley lines and 16 informative markers were identified after which confirmation in other tests could be suitable for marker assisted breeding drought escape.
Źródło:
Plant Breeding and Seed Science; 2014, 70; 3-14
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Viability and genetic diversity of Populus nigra population from riparian forest in SNR Gornje Podunavlje
Autorzy:
Čortan, Dijana
Tubić, Bojan
Powiązania:
https://bibliotekanauki.pl/articles/956812.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
black poplar
viability assessment
genetic diversity
ssr markers
snr upper danube
Opis:
Populus nigra L. is one of the rarest and most endangered tree species in Western and Central Europe. Its genetic diversity is of great importance in enabling a native riparian population to survive and reproduce under changing environmental conditions. The aim of this research was assessment of P. nigra viability in one of the best preserved riparian ecosystems in Europe, Special Nature Reserve “Gornje Podunavlje” (Upper Danube), Serbia. Additionally, the analysis of the genetic diversity was made to support the effective conservation in the future. During our study, we have mapped 931 P. nigra trees, which were used for the assessment of present native population. Furthermore, we used 14 microsatellite markers to assess the genetic structure of this this population. Viability assessment showed considerable occurrence of P. nigra in the research area, even though the results show fragmentation. P. nigra occurs mostly individually or in small groups of trees, and has a non-sustainable age structure due to insufficient or lacking regeneration. Despite the limited size of the studied population, the apparent overall genetic diversity was high (He = 0.759) and comparable to other known native populations of P. nigra along the Danube basin. However, the results also confirmed existence of recent bottleneck effect. Significantly positive and quite high Fis value (0.147) was noted, which may be ascribed to the “Wahlund effect” because of the population substructure that was revealed by the STRUCTURE analysis (K=2). Although results say that coverage of native stands is not so promising, most of selected trees within our research assessed showed good viability with potential for natural reproduction However, the problem is that suitable areas for natural seedling establishment are scarce and with that gene flow is probably limited. The fragmentation of the area must be reduced and isolated stands must be interlinked as there is need to create larger non-fragmented areas.
Źródło:
Dendrobiology; 2017, 78; 157-167
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic diversity of Italian populations of Abies alba
Autorzy:
Belletti, Piero
Ferrazzini, Diana
Ducci, Fulvio
De Rogatis, Anna
Mucciarelli, Marco
Powiązania:
https://bibliotekanauki.pl/articles/956994.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
silver fir
genetic differentiation
glacial refugia
regions of provenance
ssr markers
Opis:
Silver fir (Abies alba) is a common tree species in the mountainous areas in Europe. A number of natural stands in the hilly regions of northern Europe represent relic populations. The aim of the research was to evaluate the diversity present in Italian populations of the species. Genetic diversity was assessed in 45 silver fir populations covering the species’ distribution range in Italy, based on the allelic variation present at seven microsatellite loci (SSRs). A consistent level of intra-population variability was present. Several of the populations displayed signs of ongoing genetic erosion, and evidence for a recent bottleneck in some was identified. Populations from the eastern Alps and the Apennines were more variable than those sampled from the western Alps. About 8% of the overall genetic variance was found between populations, with the remainder representing variation present within the populations. The data suggested that the southern Apennines acted as a refugium during the most recent Ice Age, and that many of the populations from this area have remained isolated over a prolonged period. Smaller and more isolated populations have experienced genetic drift, whereas the larger ones have preserved a high level of diversity. Identification of genetically homogeneous regions could be informative for the management of genetic resources.
Źródło:
Dendrobiology; 2017, 77; 147-159
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
β-Glucan-Mediated Alleviation of NaCl Stress in Ocimum basilicum L. in Relation to the Response of Antioxidant Enzymes and Assessment DNA Marker
Autorzy:
Alhasnawi, Arshad Naji
Powiązania:
https://bibliotekanauki.pl/articles/124951.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
NaCl-stress
beta-glucan
antioxidants
molecular markers
DNA variations
genetic stability
Opis:
Salinity is one of the most important abiotic stresses which can negatively affect the plant metabolic processes in the world. This can impact the plant production, either for economic or sustenance benefits. The salinity stress can cause many physiological and biochemical changes in the plants. β-glucans are important polysaccharides, which are present in the cell walls of various cereal grains. They protect the plant responses and occur in plant suspensions. In this study, the researchers attempted to investigate various physiological mechanisms and determine the role of the β-glucans in the NaCl-mediated stress conditions on the Ocimum basilicum L. seedlings. For this purpose, they carried out an experiment for assessing various shoot and root parameters along with the antioxidant enzyme activities, proline levels and the ISSR markers. When the seedlings were exposed to the NaCl stress conditions, they showed a significant decrease in the growth parameters and an increase in the antioxidant and proline levels compared to the control seedlings grown under normal saline conditions. On the other hand, the β-glucantreated seeds, when grown under the saline stress conditions, showed better growth parameters as well as high antioxidant enzyme activities and proline levels, compared to the control and NaCl-treated plants. Furthermore, a PCR analysis was carried out using the ISSR-marker technology, which could help in evaluating the DNA fingerprints and genetic variations in the plants. The results indicated that the exogenous application of the β-glucans could protect the antioxidant enzyme activities and protect the plants against the salinity stresses, without affecting the DNA-markers without affecting the genetic variations and could be a better choice for use in DNA-markers.
Źródło:
Journal of Ecological Engineering; 2019, 20, 8; 90-99
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of nine species-specific microsatellite loci to characterize three pike-perch (Sander lucioperca) populations from the Aral Sea basin in Uzbekistan
Autorzy:
Khurshut, E.
Kohlmann, K.
Powiązania:
https://bibliotekanauki.pl/articles/363116.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
sandacz
markery mikrosatelitarne
heterozygotyczność
zróżnicowanie genetyczne
pike-perch
microsatellite markers
heterozygosities
genetic differentiation
Opis:
The pike-perch is one of the main commercial fish species in Uzbekistan. Historically, it inhabited the Aral Sea and deltas of inflowing rivers (Amu-Darya and Syr-Darya). At the beginning of the 1960s it was introduced into water bodies of the middle Amu-Darya and Syr-Darya from the Ural River. The present study was aimed to evaluate the current genetic status of wild pike-perch populations from different water bodies using nine recently isolated species-specific microsatellite markers. The three examined Uzbek pike-perch populations expressed significantly higher average numbers of alleles per locus (5.56 to 14.22) than three year-classes of a German wild population (3.11 to 3.78) included for comparison. On the other hand, average observed and expected heterozygosities were not significantly different in both regions (0.743 and 0.760 in Uzbek pike-perch; 0.576 and 0.471 in German pike-perch). After sequential Bonferroni corrections all Uzbek populations were found to be in Hardy-Weinberg equilibrium. Genetic differentiation between all populations as estimated by FST values was statistically significant. Pike-perch from Amu-Darya River delta and Tudakul reservoir were less differentiated from each other probably due to gene flow between them (both water bodies are connected) whereas the more distinct Syr-Darya River population showed indication for introgression with non-native individuals stocked in that region. Since stocking is widely practiced to satisfy the growing demand of pike-perch fisheries in Uzbekistan, fish seed for such activities should be obtained from local, genetically undisturbed populations such as the Amu-Darya River delta population.
Źródło:
Environmental Biotechnology; 2009, 5, 1; 3-10
1734-4964
Pojawia się w:
Environmental Biotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badanie samoniezgodności oraz podobieństwa genetycznego zróżnicowanych genotypowo form lucerny (Medicago sativa L.)
The study of self-incompatibility and genetic similarity of genetically differentiated forms of alfalfa (Medicago sativa L.)
Autorzy:
Broda, Zbigniew
Dobrzycka, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/41328230.pdf
Data publikacji:
2007
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
lucerna
samoniezgodność
markery RAPD
podobieństwo genetyczne
alfalfa
self-incompatibility
RAPD markers
genetic similarity
Opis:
Celem pracy było określenie podobieństwa genetycznego 16 zróżnicowanych populacji lucerny za pomocą markerów molekularnych RAPD — PCR oraz ocena stopnia ich samoniezgodności. Badane obiekty utworzyły cztery grupy podobieństwa genetycznego, które wynosiło od 42% do 75%. Populacje o podobnym stopniu samoniezgodności nie znalazły się w tej samej grupie podobieństwa genetycznego. W celu zbadania samoniezgodności obserwowano wnikanie łagiewek pyłkowych do zalążni przy pomocy mikroskopu fluorescencyjnego. Na tej podstawie wyróżniono 4 populacje o wysokiej samoniezgodności (populacja Syn 7-3, linia F, mieszaniec F × B10, mutant ‘tf’) i 5 populacji o niskiej samoniezgodności (populacja Syn 9-3, linia B10, mieszaniec B10 × F, odmiana Ulstar i mutant ‘lp’).
The study purpose was to analyse genetic similarity between 16 populations of alfalfa using RAPD molecular markers and to describe their self-incompatiblity. The examined objects formed four groups of genetical similarity, which ranged from 42% to 75%. The populations with similar level of self-incompatibility were not in the same group of genetical similarity. To study the self-incompatibility effects, penetration of pollen tubes into the ovaries was observed with the use of fluorescence microscope. According to this, four populations with high self-incompatibility (population Syn 7-3, line F, hybrid F × B10, mutant ‘tf’) and five populations with low self-incompatibility (population Syn 9-3, line B10, hybrid B10 × F, Ulstar and mutant ‘lp’) were distinguished.
Źródło:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2007, 245; 205-214
0373-7837
2657-8913
Pojawia się w:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metody oparte o amplifikację DNA techniką PCR wykorzystywane w ocenie bioróżnorodności mikroorganizmów glebowych
Methods based on DNA PCR-amplification for evaluation of the soil microbial diversity
Autorzy:
Łyszcz, Małgorzata
Gałązka, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1034148.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
soil microorganism
genetic diversity
molecular markers
PCR based methods
ARDRA
PCR-RFLP
RAPD
REP-PCR
TRFLP
Opis:
Mikroorganizmy glebowe, pod względem cech genomowych i fenotypowych, stanowią wysoce zróżnicowaną grupę organizmów żywych. Z powodu tak dużej różnorodności ważne jest dobranie odpowiednich metod, dających największy stopień różnicowania mikroorganizmów. Narzędziami umożliwiającym analizę zmienności genetycznej mikroorganizmów są techniki genetyczne, a wśród nich jedną z najważniejszych jest łańcuchowa reakcja polimerazy, czyli PCR (Polymerase Chain Reaction), technika opracowana w latach 1980. Niniejsza praca stanowi przegląd podstawowych zagadnień dotyczących badania zmienności genetycznej mikroorganizmów glebowych w oparciu o markery molekularne z wykorzystaniem technik bazujących na reakcji PCR tj. PCR-RFLP, TRFLP, ARDRA, RAPD.
Soil microorganisms represent a highly diverse group of living organisms in terms of genomic and phenotypic characteristics. Due to such a large diversity, it is important to select appropriate identification methods which would secure its most complete determination. Genetic techniques are proper tools of choice for analyzing genetic variability of microorganism, the most important of which is the polymerase chain reaction (PCR), developed in the 1980s. This work presents an overview of the basic issues concerning studies on genetic variability of soil microorganisms with help of molecular markers and application of PCR techniques such as PCR-RFLP, TRFLP, ARDRA, RAPD.
Źródło:
Kosmos; 2017, 66, 2; 193-206
0023-4249
Pojawia się w:
Kosmos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ działalności antropogenicznej na obecną strukturę genetyczną populacji drzew leśnych
Antropogenic influence on the present genetic structure of forest tree populations
Autorzy:
Nowakowska, Justyna Anna
Powiązania:
https://bibliotekanauki.pl/articles/470370.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
Tematy:
drzewa leśne
markery DNA
inżynieria genetyczna
gospodarka leśna
forest trees
DNA markers
genetic engineering
forest management
Opis:
Human activity has always had an impact on the species composition and genetic structure of species that make up the forest ecosystem. The results of DNA-based studies confirm the influence of current and past forest management on the current level of genetic variability of forest tree populations. Molecular analysis enables the study of gene flow between generations and reflects the history of post-glacial migration of species from southern refugia of Europe to Poland. Thanks to DNA markers, it is possible to precisely distinguish species hybrids, e.g. between Japanese and European larches. In timber trade market, the comparison of the DNA profiles of a stolen tree with a stump left in the forest provides strong evidence in judiciary pursuits concerning the illegal logging. Genetic transformation of the tree genome allows to obtain wood with altered lignin structure, higher increment and increased assimilation of CO2 in the leaves. Genetic modifications are also aimed at enhanced immunity of cultured tree species to fungal pathogens or insect pests and to plant protection products on fast-growing GMO trees.
Działalność człowieka od zawsze miała wpływ na skład gatunkowy i strukturę genetyczną gatunków tworzących ekosystem leśny. Wyniki badań DNA potwierdzają wpływ obecnej i przeszłej gospodarki leśnej na obecny poziom zmienności genetycznej populacji drzew leśnych. Analiza molekularna pozwala określić pokrewieństwo genetyczne gatunków drzew leśnych, umożliwia badanie przepływu genów między pokoleniami, oraz odzwierciedla historię polodowcowej migracji gatunków z refugiów południowej Europy do Polski. Dzięki markerom DNA można precyzyjnie odróżnić mieszańce gatunkowe np. modrzewia japońskiego i europejskiego. Porównanie profili DNA kradzionego drzewa z pniakiem pozostawionym w lesie, dostarcza mocnych dowodów w sprawach dotyczących nielegalnego handlu drewnem. Genetyczna transformacja genomu drzew pozwala uzyskać drewno o zmienionej strukturze lignin, oraz zwiększoną asymilację CO2 w liściach. Modyfikacje genetyczne zmierzają też w kierunku wzmocnionej odporności hodowanych gatunków drzew na patogeny grzybowe lub szkodniki owadzie oraz na środki ochrony roślin na plantacjach drzew szybkorosnących GMO.
Źródło:
Studia Ecologiae et Bioethicae; 2018, 16, 3; 63-71
1733-1218
Pojawia się w:
Studia Ecologiae et Bioethicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura klonalna wiązu polnego (Ulmus minor Mill.) w Polsce
Clonal structure of field elm (Ulmus minor Mill.) in Poland
Autorzy:
Chudzińska, M.
Litkowiec, M.
Pałucka, M.
Pasławska, A.
Lewandowski, A.
Kozioł, C.
Powiązania:
https://bibliotekanauki.pl/articles/979539.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
dendrologia
drzewa lesne
wiaz polny
Ulmus minor
zmiennosc genetyczna
markery genetyczne
markery mikrosatelitarne
clonality
field elm
genetic conservation
genetic variation
microsatellite markers
Opis:
Field elm (Ulmus minor Mill.) is distributed mainly across central and southern Europe. In Poland this species occurs in the lowlands and foothills, where it grows mainly in the floodplain forests along the rivers. U. minor exists in a variety of climatic and ecological conditions. It is capable to tolerate floods as well as drought. Currently, most populations of U. minor are small and fragmented resulting from human activity and Dutch elm disease. Moreover, in the natural field elm populations, vegetative propagation by root suckers or sprouting can be observed. All these factors may affect the level of genetic variation of U. minor populations in Poland. In the present study, we determined the level of genetic variation and the clonal diversity of twelve natural U. minor populations in Poland (407 individuals) using eight nuclear microsatellite loci. The obtained results indicate that the studied field elm populations are characterized by low level of genetic variation (He=0.382; Ho=0.555; A=7.0). Additionally, the high level of clonality in field elm populations was estimated. The clonality level of examined elm populations varied among them, and in some cases was very high. Out of the 407 individuals analysed for clonal structure only 61 multilocus genotypes were identified. Furthermore, only one genotype was identified in the three study populations of field elm, which means that in each of these populations all trees belong to one genet. The values of genotypic richness (R) were heterogeneous among populations, with mean 0.148. The knowledge on the genetic diversity and the clonal structure of U. minor populations is essential to make future decisions regarding conservation of genetic resources of this species in Poland.
Źródło:
Sylwan; 2019, 163, 10; 839-845
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka genetyczna świerka Schrenka (Picea schrenkiana) w gradiencie wysokościowym i geograficznym gór Tien-Szan w Kirgistanie
Genetic characteristic of Schrenk spruce (Picea schrenkiana) in the altitudal and geographical gradient in Kyrgyz part of Tien-Shan mountains
Autorzy:
Magnuszewski, M.
Nowakowska, J.A.
Zasada, M.
Orozumbekov, A.
Powiązania:
https://bibliotekanauki.pl/articles/991108.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
Kirgistan
drzewa lesne
swierk Schrenka
Picea schrenkiana
zmiennosc genetyczna
polimorfizm DNA
markery SSR
zroznicowanie genetyczne
ssr markers
genetic differentiation
genetic distance
picea schrenkiana
Opis:
The study showed the genetic structure of nine Schrenk spruce stands, which represented altitude and geographical variants in the Tien−Shan mountains in Kyrgyzstan. Comparison between genetic structure of stands was based on frequencies of nuclear microsatellite (SSR) alleles occurring in three DNA loci. The total genetic differentiation of Schrenk spruce populations was low (FST=0.0651). Eight main groups of populations were distinguished in the dendrogram defined by Nei's genetic distances based on microsatellite markers.
Źródło:
Sylwan; 2014, 158, 05; 361-369
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka wybranych markerów molekularnych
Characteristic of selected molecular markers
Autorzy:
Bolc, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/2199379.pdf
Data publikacji:
2020-10-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
markery molekularne
RFLP
AFLP
RAPD
SSR
ISSR
SRAP
SNP
PCR
polimorfizm
różnorodność genetyczna
molecular markers
polymorphism
genetic diversity
Opis:
Postęp, jaki nastąpił w biologii molekularnej poprzez wprowadzenie markerów molekularnych nowej generacji, w ciągu ostatnich 20 lat umożliwił znaczny rozwój wielu dziedzin badań. Możliwe stało się uzyskanie dokładniejszych informacji genetycznych pozwalających na lepsze zrozumienie zasobów genetycznych organizmów. Markerem molekularnym może być każda sekwencja nukleotydowa (wybrany fragment DNA), rozproszony w całym genomie, której zmienność między osobnikami lub grupami taksonomicznymi umożliwia precyzyjną identyfikację osobnika/taksonu. Kompilacja właściwości enzymów restrykcyjnych jak również reakcji łańcuchowej polimerazy (PCR) w technikach generujących markery molekularne pozwoliła na efektywne wykorzystanie ich w taksonomicznych, ewolucyjnych i ekologicznych badaniach roślin.
Over the last 20 years, the progress in molecular biology through the introduction of new generation molecular markers has allowed many areas to move forward. It has now become possible to obtain more accurate genetic information to better understand the genetic resources of organisms. A molecular marker can be any nucleotide sequence (selected DNA fragment) scattered throughout the genome, whose variability between individuals or taxonomic groups allows precise identification of the individual/taxon. The effectiveness of restriction digestion and polymerase chain reaction based on molecular markers has already proved their usefulness in taxonomic, evolutionary and ecological plant research.
Źródło:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2020, 290; 27-32
0373-7837
2657-8913
Pojawia się w:
Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Określenie pochodzenia wyłączonych drzewostanów nasiennych sosny rychtalskiej (Pinus sylvestris L.) z wykorzystaniem markerów mikrosatelitarnych
Determination of the origin of the rychtal Scots pine (Pinus sylvestris L.) seed tree stands using microsatellite markers
Autorzy:
Wójkiewicz, B.
Żukowska, W.B.
Urbaniak, L.
Kowalczyk, J.
Litkowiec, M.
Lewandowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/985719.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
sosna zwyczajna
Pinus sylvestris
sosna rychtalska
drzewostany nasienne
pochodzenie roslin
zmiennosc genetyczna
analiza DNA
markery mikrosatelitarne
scots pine
genetic variation
gene pool
genetic structure
ssr markers
Opis:
The rychtal pine is one of the most valuable ecotypes of Scots pine (Pinus sylvestris L.) approved for the breeding purposes in Poland. However, it occupies stands typical for oaks and beeches as shown by the compatibility analysis of species composition in relation to the habitat type in which they occur. Such result raises some doubts in terms of the naturalness of the rychtal pine and calls its history and origin into question. In the present study, we used the set of nuclear microsatellite markers to characterize and compare the gene pool composition of the selected seed tree stands of the rychtal pine with 200−year−old pine trees which grow at the Syców Forest District (SW Poland). We aimed to know to what extent the set of alleles specified for the group of the oldest trees from natural habitats is represented in the younger forest tree stands of the rychtal pine. The analysis of molecular variance (AMOVA) and clustering analysis showed that the gene pool of the studied pine populations was homogenous (FST=0,02%, K=1). The parameters of genetic variation were similar for all populations except for the mean number of alleles. On average, 25 new alleles were found in two rychtal pine seed tree stands as compared to the set of alleles found in the group of old pine trees. However, all alleles defined for old pines were also present in the gene pool of younger rychtal pine forest stands. The differences in the gene pool richness result most likely from quite high differences in the number of individuals analyzed from each population. In conclusion, our results indicate the common origin of the studied Scots pine populations.
Źródło:
Sylwan; 2019, 163, 08; 637-644
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wyniki wstępnych badań nad zmiennością genetyczną oraz zróżnicowaniem genetycznym między populacjami wiązu górskiego (Ulmus glabra Huds.) w Polsce
Results of preliminary research on genetic variation and genetic differentiation between Wych elm populations (Ulmus glabra Huds.) in Poland
Autorzy:
Chudzińska, M.
Pałucka, M.
Pasławska, A.
Litkowiec, M.
Lewandowski, A.
Kozioł, C.
Powiązania:
https://bibliotekanauki.pl/articles/985889.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewa lesne
wiaz gorski
Ulmus glabra
zmiennosc genetyczna
markery mikrosatelitarne
populacje roslin
zroznicowanie genetyczne
Polska
zasoby genetyczne
wych elm
genetic variation
microsatellite markers
genetic resources
ex situ conservation
Opis:
Wych elm (Ulmus glabra Huds.) is a rare scattered forest tree species in Poland. First studies on genetic diversity of the species in its natural range in Poland give a good basis for the management and conservation of its genetic resources. In the present study, we determined the level of genetic variation and genetic differentiation of seventeen natural Wych elm populations in Poland using nine nuclear microsatellite loci. The number of analyzed individuals was 601. The level of genetic diversity of Polish populations of Wych elm corresponded with the results of the previous studies on this species in Europe. The populations show quite low level of genetic diversity of the species on the population level and quite high diversity on the interpopulation level. A total of 119 alleles was found, with average number per locus (A) equal 6.0 and allelic richness at medium high level (AR10=4.7). Observed (Ho) and expected (He) heterozygosity reached 0.583 and 0.602 respectively. The genetic differentiation between Polish populations of Wych elm occurred at a low level (Fst=0.089). Inbreeding depression may occur in the next generations (Fis=0.031). Genetic diversity between Wych elm populations in Poland may be the result of unfavorable random processes related to the reduction of population size resulting from elm disease. To better understand the processes related to the genetic diversity of Wych elm populations, research on field elm variation should be undertaken. Such studies may give an answer to the potential influence of introgression between these species on the genetic structure of the Wych elm. Both in situ as well as ex situ conservation measures are highly recommended to preserve genetic resources of this valuable noble hardwood species in Polish landscape.
Źródło:
Sylwan; 2018, 162, 09; 727-736
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-25 z 33

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