Genetic Diversity and the Genetic Relationship Among Wild Types of Prunus divaricata By Using ISSR Molecular Markers

LI Ling; HUANG Zheng; CUI Dafang; WANG Yonggang; XU Zheng; HE Tao

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Genetic Diversity and the Genetic Relationship Among Wild Types of Prunus divaricata By Using ISSR Molecular Markers

更新时间：2023-12-11

- Genetic Diversity and the Genetic Relationship Among Wild Types of Prunus divaricata By Using ISSR Molecular Markers
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 54, Issue 2, Pages: 112-117(2015)
- 作者机构：
  
  1. 华南农业大学林学院,广东,广州,510642
  2. 
  3. 新疆农业科学院,新疆,乌鲁木齐,830091
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015，
  
  Published Online：25 March 2015，
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LI Ling, HUANG Zheng, CUI Dafang, et al. Genetic Diversity and the Genetic Relationship Among Wild Types of Prunus divaricata By Using ISSR Molecular Markers. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 54(2):112-117(2015)
DOI：

LI Ling, HUANG Zheng, CUI Dafang, et al. Genetic Diversity and the Genetic Relationship Among Wild Types of Prunus divaricata By Using ISSR Molecular Markers. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 54(2):112-117(2015) DOI：

摘要

利用ISSR分子标记技术对产于中国天山的40个樱桃李(Prunus divaricata Ldb.) 野生类型遗传多样性进行研究。通过遗传多样性研究及UPGMA聚类分析显示，野生樱桃李种下类群间遗传多样性有差异，平均多样性指数(I)为0.488，遗传相似系数(Hs)介于0.504~0.851之间，平均为0.678，遗传距离(GD)的范围在0.127 0~0.604 2之间，等位基因数(Na)和有效等位基因数(Ne)分别为1.908和1.571，而平均Nei基因多样性指数为0.17，平均Shannon信息指数(I)为0.22则显示其群体遗传多样性较低；分子标记下的聚类结果，可将中国天山产的40个樱桃李野生类型归为4大类，结合形态学特征分析，研究表明中国天山的40个野生樱桃李可划分为4个变种，即矮生樱桃李P. divaricata var. humila （N. R. Cui et L. Wang）D. F. Cui

comb. nov.、黑果樱桃李P. divaricata var. nigrooarp (N. R. Cui et L. Wang) D. F. Cui

comb. nov.、红果樱桃李P. divaricata var. phoenicea (Z. Xu) D. F. Cui

comb. nov.和黄果樱桃李〖WTBX〗P. divaricata var. luteola (N. R. Cui) D. F. Cui

comb. nov.。

Abstract

This paper used ISSR Molecular Markers to study the genetic diversity and the genetic relationship among 40 types of Prunus divaricata which originated in Tianshan Mountain of China. The study of genetic diversity and the analysis of UPGMA cluster showed that the 40 types of P. divaricate have genetic diversity

the average diversity index (I) was 0.488

the genetic similarity coefficient (Hs) ranged from 0.504 to 0.851 with an average of 0.678

the genetic distance (GD) varied between 0.127 0 and 0.604 2

the number of alleles (Na) and effective alleles (Ne) was 1.908 and 1.571 respectively

and the population has a low genetic diversity because of the average Nei's gene diversity index and the average Shannons information index (I) was 0.17 and 0.22; The 40 types of P. divaricate can be classified into 4 groups from the clustering results of molecular markers

combined with morphological analysis. The results showed that the 40 types of P. divaricate can be divided into four varieties

which were included P. divaricata var. humila （N.R.Cui et L.Wang）D. F. Cui

comb. nov.

P. divaricata var. nigrooarp (N. R.Cui et L.Wang) D. F. Cui

comb. nov.

P. divaricata var. phoenicea (Z.Xu) D. F. Cui

comb. nov. and P. divaricata var. luteola (N.R.Cui) D. F. Cui

comb. nov..

关键词

樱桃李分子标记遗传多样性亲缘关系

Keywords

Prunus divaricatamicrosatellite markersgenetic diversitygenetic relationships

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