gradual loss of genetic diversity of ambrosia artemisiifolia l. populations in the invaded range of central serbia
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2014
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Abstract
As an invasive allergenic weed, Ambrosia artemisiifolia L. causes serious
public health and economic problems in invaded ranges of Europe. Over the
last two decades, while expanding toward southern parts of Serbia, this
common ragweed has become a very troublesome plant species in the whole
country. Considering the importance of genetic studies in understanding of
invasive species, our main objectives in this study were to analyze the
genetic diversity and genetic structure of Ambrosia artemisiifolia populations
from Central Serbia, a relatively recently invaded region. Comparing values
of genetic measures obtained by microsatellite analyses, a number of
differences were detected in genetic diversity between sampled populations.
Allelic richness-r (ranged from 5.42 to 7.80), the mean number of alleles per
locus-NA (5.8-8.4) and the mean number of rare alleles per locus-NR (2.8-5.8)
have quite similar ranges across populations. We observed greater genetic
variability in populations from the northern part of investigated area than
in southern populations. Based on pairwise Fst values, AMOVA results and PCo
Analysis, moderate differentiation among population was detected, while the
STRUCTURE analysis clearly separated SR-Kru and SR-Les. Data obtained for
analyses of differentiation and gradual losses of genetic diversity of
sampled populations provides useful information about invasion dynamics of
common ragweed in recently invaded region. [Projekat Ministarstva nauke
Republike Srbije, br. 173002 and the Secretariat for Science and Tehnological
Development, Province of Vojvodina (No. 114-457-2173/2011-01]
| Reference Key |
nataa2014genetikagradual
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|---|---|
| Authors | ;Kočiš-Tubić Nataša;Đan Mihajla;Veličković Nevena;Anačkov Goran;Obreht Dragana |
| Journal | Chemical biology & drug design |
| Year | 2014 |
| DOI |
10.2298/GENSR1401255K
|
| URL | |
| Keywords | Keywords not found |
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