Genetic diversity and gene flow estimation in Prosopis cineraria (L.) Druce: A key stone tree species of Indian Thar Desert

被引：23
|
作者：
Sharma, Santosh Kumar [1 ]
Kumar, Shrawan [2 ]
Rawat, Deepika [3 ]
Kumaria, Suman [2 ]
Kumar, Arun [4 ]
Rao, Satyawada Rama [1 ]
机构：
[1] NE Hill Univ, Dept Biotechnol & Bioinformat, Shillong 793014, Meghalaya, India
[2] NE Hill Univ, Ctr Adv Studies Bot, Shillong 793014, Meghalaya, India
[3] Jai Narain Vyas Univ, Dept Bot, Cytogenet & Mol Biol Lab, Jodhpur, Rajasthan, India
[4] Indian Council Agr Res, Directorate Rapeseed Mustard Res, Bharatpur, Rajasthan, India
来源：
BIOCHEMICAL SYSTEMATICS AND ECOLOGY | 2011年 / 39卷 / 01期
关键词：
ISSR; DAMD; Genetic diversity; Gene flow; Adaptation; POPULATION-GENETICS; MOLECULAR PHYLOGENY; RAPD; EVOLUTION; DISTANCE; HISTORY; ORIGIN; NUMBER;
D O I：
10.1016/j.bse.2010.12.018
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Selected amplicon data obtained through our earlier study using ISSR and DAMD markers were utilized for determination of diversity within and among the populations of Prosopis cineraria (L) accessions collected from different districts of Rajasthan (India). A total of 83 bands were generated from eight ISSR and five DAMD primers of which 79 were found to be polymorphic (95.18%). Nei's gene diversity (h) ranged between 0.185 and 0.301 with overall diversity of 0.316 while Shannon's information index (I) values recorded between 0.253 and 0.438 with an average value of 0.243. The gene flow value (1.713) and the diversity among populations (0.226) demonstrated higher genetic variation within the population. It is concluded that P. cineraria is accompanied by high genetic diversity within the population and elevated gene flow showing indications of adaptation to callous and fragile dry conditions of arid environment. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：9 / 13
页数：5
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