|本期目录/Table of Contents|

[1]贾一轩,狄冉,王翔宇,等.绵羊CTSB、PATL2和NOTCH4基因多态性及其与产羔数的关联分析[J].江苏农业科学,2025,53(6):202-207.
 Jia Yixuan,et al.Polymorphisms of CTSB,PATL2,and NOTCH4 genes in sheep and their association with litter size[J].Jiangsu Agricultural Sciences,2025,53(6):202-207.
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绵羊CTSB、PATL2和NOTCH4基因多态性及其与产羔数的关联分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第6期
页码:
202-207
栏目:
畜牧兽医与水产蚕桑
出版日期:
2025-03-20

文章信息/Info

Title:
Polymorphisms of CTSB,PATL2,and NOTCH4 genes in sheep and their association with litter size
作者:
贾一轩12狄冉1王翔宇1贺小云1龚一鸣1梁琛2储明星1
1.中国农业科学院北京畜牧兽医研究所/畜禽生物育种全国重点实验室,北京 100193; 2.山西农业大学动物科学学院,山西太谷 030801
Author(s):
Jia Yixuanet al
关键词:
绵羊CTSB基因PATL2基因NOTCH4基因产羔数SNP分型关联研究
Keywords:
-
分类号:
S826.2;S826.3
DOI:
-
文献标志码:
A
摘要:
为探究CTSB、PATL2和NOTCH4基因的多态性及其与绵羊产羔数之间的关系,以期寻找绵羊产羔数性状相关的分子标记。结合前期的全基因组重测序结果,筛选这3个基因的候选SNP位点,利用SequenomMassARRAYSNP技术对单羔组(苏尼特羊和巴美肉羊)和多羔组(湖羊、小尾寒羊和策勒黑羊)共5个绵羊品种上述3个基因的候选多态性位点进行基因分型和群体遗传学分析,并与小尾寒羊产羔数进行关联分析。结果显示,所检测3个基因的5个SNP位点均表现出中、低度多态;CTSB基因g.104438571T>C位点(P<0.05)、NOTCH4基因g.26312001G>A位点(P<0.01)和PATL2基因g.30788209G>A位点(P<0.01)的基因频率在单羔和多羔品种间差异显著;5个绵羊品种的CTSB基因g.104438547G>A位点和NOTCH4基因g.26313972C>G位点及小尾寒羊CTSB基因g.104438571T>C位点均不处于哈迪-温伯格平衡状态(P<0.05),其余各位点在不同品种中均处于平衡状态;CTSB基因g.104438547G>A位点、NOTCH4基因g.26313972C>G和g.26312001G>A位点突变导致了氨基酸改变;关联分析结果显示,所检测3个基因的5个SNP与小尾寒羊产羔数间无显著关联(P>0.05),但胎次对小尾寒羊产羔数有极显著影响(P<0.01)。综上,CTSB、PATL2和NOTCH4基因的5个SNP多态性位点不适合作为小尾寒羊产羔数选育的有效分子标记。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2024-04-01
基金项目:国家现代农业产业技术体系建设专项(编号:CARS-38);山西省基础研究计划面上项目(编号:20210302123371);山西农业大学博士科研启动项目(编号:2021BQ04)。
作者简介:贾一轩(1998—),女,河北石家庄人,硕士研究生,主要从事动物遗传育种与繁殖研究。E-mail:17736055567@163.com。
通信作者:储明星,博士,研究员,博士生导师,主要从事羊优异繁殖性状分子机理研究,E-mail:mxchu@263.net;梁琛,博士,副教授,硕士生导师,主要从事动物遗传育种与繁殖研究,E-mail:cekiv@163.com。
更新日期/Last Update: 2025-03-20