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High genetic differentiation and low genetic diversity in Incarvillea younghusbandii, an endemic plant of Qinghai-Tibetan Plateau, revealed by AFLP markers 期刊论文

编号：

74595974-1fab-4fe8-9fd3-28d6c002b3bd
作者：

Zhu, Yong^[1] Geng, Yupeng^[1,2] Tersing, Tashi^[3] Liu, Nian^[1] Wang, Qingbiao^[1] Zhong, Yang^[1,3]
语种：

English
期刊：

BIOCHEMICAL SYSTEMATICS AND ECOLOGY ISSN：0305-1978 2009 年 37 卷 5 期 (589 - 596) ; NOV
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关键词：

AFLP Genetic diversity Incarvillea younghusbandii Population structure Qinghai-Tibetan Plateau
摘要：

Incarvillea younghusbandii Sprague (Bignoniaceae) is a perennial herbaceous plant endemic to Qinghai-Tibetan Plateau. As a species of medical and horticulture importance, L younghusbandii is threatened by over exploitation and habitat fragmentation. In this study, we analyze the genetic diversity and population structure of I. younghusbandii using amplified fragment length polymorphism (AFLP) markers. Our data reveal very low levels of genetic diversity in seven natural populations across Tibet. Specifically, at population level, the average Nei's genetic diversity index (H-E) and Shannon's diversity index (1) were 0.063 and 0.096, respectively. In contrast, high genetic differentiation among populations (Gst = 0.6238, Phi(ST) = 0.614) is detected. The results of Neighbor-joining cluster, PCO, and STRUCTURE assignment reveal consistent pattern, suggesting seven well-defined genetic groups that are concordant with their geographical origins. The possible mechanisms and implications of these findings for conservation are discussed. (C) 2009 Elsevier Ltd. All rights reserved.
推荐引用方式
GB/T 7714：

Zhu Yong,Geng Yupeng,Tersing Tashi, et al. High genetic differentiation and low genetic diversity in Incarvillea younghusbandii, an endemic plant of Qinghai-Tibetan Plateau, revealed by AFLP markers [J].BIOCHEMICAL SYSTEMATICS AND ECOLOGY,2009,37(5):589-596.
APA：

Zhu Yong,Geng Yupeng,Tersing Tashi,Liu Nian,&Zhong Yang.(2009).High genetic differentiation and low genetic diversity in Incarvillea younghusbandii, an endemic plant of Qinghai-Tibetan Plateau, revealed by AFLP markers .BIOCHEMICAL SYSTEMATICS AND ECOLOGY,37(5):589-596.
MLA：

Zhu Yong, et al. "High genetic differentiation and low genetic diversity in Incarvillea younghusbandii, an endemic plant of Qinghai-Tibetan Plateau, revealed by AFLP markers" .BIOCHEMICAL SYSTEMATICS AND ECOLOGY 37,5(2009):589-596.

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