|本期目录/Table of Contents|

[1]胡玉婷,凌俊,江河,等.中华绒螯蟹4个养殖群体遗传多样性与遗传结构分析[J].江苏农业科学,2022,50(16):54-59.
 Hu Yuting,et al.Genetic diversity and structure analysis of four Eriocheir sinensis cultured population[J].Jiangsu Agricultural Sciences,2022,50(16):54-59.
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中华绒螯蟹4个养殖群体遗传多样性与遗传结构分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第16期
页码:
54-59
栏目:
生物技术
出版日期:
2022-08-15

文章信息/Info

Title:
Genetic diversity and structure analysis of four Eriocheir sinensis cultured population
作者:
胡玉婷凌俊江河汪焕潘庭双周华兴
安徽省农业科学院水产研究所/水产增养殖安徽省重点实验室,安徽合肥 230031
Author(s):
Hu Yutinget al
关键词:
中华绒螯蟹遗传多样性微卫星养殖群体遗传结构
Keywords:
-
分类号:
S917;S966.16
DOI:
-
文献标志码:
A
摘要:
分析中华绒螯蟹养殖群体的遗传多样性和遗传结构,可为中华绒螯蟹的遗传改良及新品种培育提供科学依据。研究采用微卫星标记对偶数年江苏、安徽4个主要养殖群体的遗传特征进行分析。10个微卫星位点在4个群体中均表现出高度的遗传多样性,有效等位基因数(Ne)为9.810~11.660、预期杂合度(He)为0.904~0.918、多态信息含量(PIC)为0.874~0.891。综合遗传多样性大小为无为群体>张家港群体>高淳群体>宜兴群体;成对群体间的遗传距离较小(<0.3)、遗传分化指数(<0.05)均较低,分子变异分析中高达99.58%遗传变异来自群体内;结构分析显示,所有个体可分为4个遗传组,但每个养殖群体中均包含4个遗传组。群体系统进化树显示,高淳和张家港群体最先聚类为一支,互为姊妹群,然后依次与无为群体、宜兴群体聚类。中华绒螯蟹4个养殖群体遗传多样性水平高,群体间无显著遗传分化,群体间可能存在种质混杂。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2021-08-28
基金项目:国家现代农业产业技术体系建设专项(编号:CARS-48);安徽省水产产业技术体系项目(编号:AHCYJSTX-08);安徽省农业科学院团队项目(编号:2020YL038)。
作者简介:胡玉婷(1986—),女,河南商丘人,博士,副研究员,主要从事水产动物遗传育种研究。E-mail:huyuting1021@126.com。
更新日期/Last Update: 2022-08-20