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|本期目录/Table of Contents|

广西红树植物桐花树种群遗传多样性分析

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2012年02期
页码:
203
栏目:
植物生态学
出版日期:
2012-03-25

文章信息/Info

Title:
Study on genetic diversity of mangrove plant Aegiceras corniculatum populations in Guangxi
作者:
潘文1 李元跃2* 陈攀3 周涵韬3 林鹏3
1.集美大学 生物工程学院, 厦门361021; 2.集美大学 水产学院, 厦门 361021; 3.厦门大学 生命科学学院, 厦门 361005
Author(s):
PAN Wen1 LI YuanYue2* CHEN Pan3 ZHOU HanTao3 LIN Peng3
1.College of Bioengineering, Jimei University, Xiamen 361021, China; 2.College of Fisheries, Jimei University, Xiamen 361021, China; 3.School of Life Sciences, Xiamen University, Xiamen 361005, China
关键词:
红树林 桐花树 种群 遗传距离 遗传多样性 RAPD
Keywords:
angrove Aegiceras corniculatum populations genetic distances genetic diversity RAPD
分类号:
Q948
DOI:
-
文献标识码:
A
摘要:
采用RAPDPCR方法探讨广西3个不同生境下桐花树种群的遗传多样性和遗传分化。结果表明:3个不同生境桐花树RAPD扩增多态百分率为20.2%,3个不同生境桐花树种群两两之间的遗传距离分别为0.195、0.169、0.26,平均遗传距离为0.208。同一种群不同个体的扩增多态百分率最高为37.28%,其次为20.93%,最小的为19.32%。Shannon’s遗传多样性指数3个种群分别为0.331、0.225和0.17,其大小顺序与多态百分率的结果一致。种群内遗传多样性比率为62.3%,种群间遗传多样性比率为37.7%。说明广西3个不同生境的桐花树种群的遗传变异大部分存在种群内,种群间遗传变异较小。
Abstract:
RAPDPCR markers were used to investigate the genetic diversity and genetic differentiation among 3 populations with different habitats of Aegiceras corniculatum in Guanxi. The results showed that percentage of polymorphic band was 20.2%,and genetic distances among 3 A.corniculatum populations were 0.195,0.169 and 0.26,respectively,and 0.208 on average. The percentage of polymorphic band and Shonnon’s diversity index among individuals within the same population had the same trend,and each was 37.28% and 0.331,20.93% and 0.225,19.32% and 0.17. A large proportion of genetic variance(62.3%)of A.corniculatum was among individuals within population,while only 37.7% genetic variance was among populations.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2012-03-25