我们的网站为什么显示成这样?

可能因为您的浏览器不支持样式,您可以更新您的浏览器到最新版本,以获取对此功能的支持,访问下面的网站,获取关于浏览器的信息:

|本期目录/Table of Contents|

中日5个岛屿山茶种群遗传多样性研究

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2012年03期
页码:
298-303
栏目:
系统演化植物学与生物地理学
出版日期:
2012-07-05

文章信息/Info

Title:
Study on population genetic diversity of Camellia japonica in 5 islands between China and Japan
作者:
林 立 倪 穗 李纪元 陈 越 应 震
1.宁波大学 海洋学院, 浙江 宁波 315211; 2.中国林科院 亚热带林业研究所, 浙江 富阳 311400
Author(s):
LIN Li12 NI Sui1 LI JiYuan2* CHEN Yue12 YING Zhen1
1.School of Marine Sciences, Ningbo University, Ningbo 315211, China; 2.Research Institute of Subtropical Forestry, CAF, Fuyang 311400, China
关键词:
山茶 ISSR 岛屿 遗传多样性 遗传结构
Keywords:
Camellia japonicaISSR island genetic diversity genetic structure
分类号:
-
DOI:
-
文献标识码:
-
摘要:
运用ISSR分子标记法对中、日两国5个岛屿天然山茶种群共150个个体进行遗传多样性分析。结果表明:筛选出的20条引物扩增得到205条清晰条带,其中183条为多态性条带,多态位点百分比(PPB)为89.27%。经POPGENE软件分析,山茶种群平均多态位点百分比(PPB)为72.00%,Nei’s基因多样性指数(HE)为02743,Shannon信息多态性指数(H)为0.4023,种群水平遗传多样性较高。基因分化系数Gst=02033,表明遗传变异主要存在于种群内个体间。Mantel检验(r=0.7989,P<0.05)和UPGMA聚〖JP〗类表明岛屿地理隔离对山茶种群遗传分化具有重要影响。基于岛屿山茶种群遗传结构的分析,建议加强我国岛屿自然种群的就地保护力度。
Abstract:
Camellia japonica is an important horticultural species,widely distributed in EastAsia. 5 populations of C.japonica collected from China and Japan were analyzed by ISSR markers to detect the genetic diversity. A total of 205 discernible loci were obtained from all populations using 20 primers. Of these loci,89.27% were polymorphic(PPB=89.27%). The average percentage of polymorphic loci(PPB=72.00%),Nei’s gene diversity(HE=02743)and Shannon’s Information Index(H=0.4023),estimated by POPGENE,indicated that C.japonica had higher level genetic diversity than many other insular plant species. The coefficient gene differentiation(Gst)was 02033,which showed more variation were from the individuals of the populations. According to Mantel Test(r=07989,P<0.05)and UPGMA,insular geographical isolation have an important influence on genetic structure. In order to maintain genetic diversity and resource utilization of C.japonica that natural population should be protected in situ from human disturbance to facilitate its natural generation.

参考文献/References

-

备注/Memo

备注/Memo:
-
更新日期/Last Update: 2012-05-25