کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1354941 980773 2006 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Genetic diversity of the endangered species Kirengeshoma palmata (Saxifragaceae) in China
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Genetic diversity of the endangered species Kirengeshoma palmata (Saxifragaceae) in China
چکیده انگلیسی

In order to investigate the levels of genetic diversity of the endangered species Kirengeshoma palmata (Saxifragaceae), four extant populations were sampled and analyzed using inter-simple sequence repeats (ISSR) markers. We expected a low genetic diversity level, but our results revealed a high level of intraspecific genetic diversity, probably resulting from this species being in a refuge during the last glaciation (at population level: P = 63.25%, Ae = 1.47, HE = 0.26 and HO = 0.37; at species level: P = 79.00%, A = 1.5538, HT = 0.2586 and Hsp = 0.3104). A low level of genetic differentiation among populations was detected based on Nei's genetic diversity analysis (16.69%) and AMOVA (19.36%). Populations shared high levels of genetic identity. Insect pollination and seed dispersal by wind may have facilitated extensive gene flow and are likely responsible for this present structure of genetic variation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical Systematics and Ecology - Volume 34, Issue 1, January 2006, Pages 38–47
نویسندگان
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