|本期目录/Table of Contents|

[1]梁田,杨霞,张勋,等.绵羊Toll样受体7基因多态性分析[J].江苏农业科学,2017,45(08):26-29.
 Liang Tian,et al.Polymorphism of Toll-like receptor 7 gene in sheep[J].Jiangsu Agricultural Sciences,2017,45(08):26-29.
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绵羊Toll样受体7基因多态性分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年08期
页码:
26-29
栏目:
生物技术
出版日期:
2017-04-22

文章信息/Info

Title:
Polymorphism of Toll-like receptor 7 gene in sheep
作者:
梁田 杨霞 张勋 肖媛媛 陈新凯 宋佳玮 盛金良
石河子大学动物科技学院,石河子 832000
Author(s):
Liang Tianet al
关键词:
Toll样受体7多态性萨福克羊基因型
Keywords:
-
分类号:
S826.2
DOI:
-
文献标志码:
A
摘要:
对新疆萨福克羊Toll样受体7基因单核苷酸进行多态性分析,探索绵羊TLR7基因多态性与抗病力的关系,为家畜抗病育种提供候选分子标记。采集新疆地区种羊场萨福克羊血液600份,提取DNA,设计扩增引物进行聚合酶链式反应-单链构象多态性(PCR-SSCP)检测,对突变位点进行测序分析。结果表明,12对扩增引物中,第2、5、6、7对引物扩增产物具有多态性。其中第2对和第7对引物扩增产物存在错义突变,第5对和第6对引物扩增产物存在同义突变。经SSCP分析,第2对引物扩增产物表现为3种带型,第7对引物有2种带型.经序列比对分析存在A343G、A350G、A1244G的错义突变,氨基酸改变分别是Lys突变为Gln,Asp突变为Ser,Glu突变为Arg,且突变都发生在胞外区亮氨酸重复区内。其中第2对引物的带型AB是位点A343G和A350G同时发生突变。位点A343G的突变频率最高为45.0%,A350G突变频率12.0%,而A1244G突变频率为5.8%。检测的突变可能改变TLR7基因的功能,进而影响其对病源的免疫应答。为进一步的疾病相关的研究奠定基础,以调查这些研究结果在家畜育种方面的用处。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-02-23
基金项目:兵团博士基金(编号:2014BB016);国家自然科学基金(编号:30960276、31360589);留学人员科技活动项目(编号:RSLX201304)。
共同第一作者简介:梁田(1991—),女,黑龙江鹤岗人,硕士,主要从事动物疾病病理研究,E-mail:549939333@qq.com;杨霞(1977—),女,四川绵阳人,硕士,讲师,主要从事免疫遗传与抗病育种研究,E-mail:546808238@qq.com。
通信作者:盛金良,副教授,E-mail:sjlshz@126.com。
更新日期/Last Update: 2017-04-20