Spatial patterns and intraspecific diversity of the glacial relict legume species Vavilovia formosa (Stev.) Fed. in Eurasiaстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 11 мая 2017 г.
Аннотация:Vavilovia formosa is one of five genera in tribe Fabeae, (Fabaceae, Leguminosae) with close phylogenetic relationships to Pisum. It grows in subalpine and alpine levels in Armenia, Azerbaijan, Georgia, Iran, Iraq, Lebanon, Russia and Turkey and is recognized as an endangered and protected plant. This study was conducted to reveal its intraspecific variability, as well as to predict the past,extant and future species distribution range. We analysed 51 accessions with common phylogenetic markers (trnF-trnL, trnS-trnG, matK, rbc L, psbA-trnH and ITS). Theserepresent in total up to 2551 bp of chloroplast and 664 bpof nuclear sequences per sample. Two popul ations fromTurkey and Armenia were analysed for genetic diversity by AFLP. Leaf morphometry was conducted on 1457 leafletsfrom 43 specimens. Extracted bioclimatic parameters wereused for niche-modelling approach. Analysis of cpDNArevealed two haplotypes, 12 samples from Armenia, Daghestan, Nakhichevan and Iran belonged to H1 group,while 39 samples of all Turkish and part of Armenian werein H2 group. The mean intrapopulation diversity based on AFLP was low (HE= 0.088) indicating limited outcross-ing rate. A significantly positive correlation between geographical latitude and leaf area (r = 0.527, p < 0.05) was found. Niche modelling has shown temporal variation ofpredicted occurrence across the projected time periods.Vavilovia formosa has suffered a range reduc tion following climate warming after last glacia l maximum, which classify this species as cold-adapted among the Fabeae speciesas well as a glacial relict.