|本期目录/Table of Contents|

[1]张晓琼,乔琳,胡利宗,等.棉花与模式植物DGAT2基因的鉴定与分析[J].江苏农业科学,2016,44(10):69-73.
 Zhang Xiaoqiong,et al.Identification and analysis of DGAT2 genes in cotton and model plants[J].Jiangsu Agricultural Sciences,2016,44(10):69-73.
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棉花与模式植物DGAT2基因的鉴定与分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年10期
页码:
69-73
栏目:
生物技术
出版日期:
2016-10-25

文章信息/Info

Title:
Identification and analysis of DGAT2 genes in cotton and model plants
作者:
张晓琼 乔琳 胡利宗 廖立冰 王秋霞 解恒昌 周琳
周口师范学院生命科学与农学学院,河南周口 466001
Author(s):
Zhang Xiaoqionget al
关键词:
二酰甘油酰基转移酶保守基序棉花模式植物进化
Keywords:
-
分类号:
S562.03;Q78
DOI:
-
文献标志码:
A
摘要:
二脂酰甘油酰基转移酶Ⅱ(DGAT2)是催化三酰甘油生物合成的关键酶,利用生物信息学手段在二倍体棉花和6种模式植物中共鉴定出25个DGAT2基因,详细剖析这些基因的结构、序列和进化特征。基因结构分析表明,绝大多数植物包含8个或9个外显子,且内含子相位高度保守,说明该基因结构起源于陆生植物。蛋白序列分析显示,核心保守基序1、2、3与功能结构域相互重叠,说明功能结构域起源于藻类植物。进化分析显示:在棉花中,DGAT2基因发生特异性扩增,其分子机制为串联重复;结合滑动窗口方法和位点模型选择压力检测结果,DGAT2蛋白均受制于负选择作用。这些结果为棉花及模式植物DGAT2的功能研究提供帮助。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-08-28
基金项目:周口师范学院高层次人才科研启动经费(编号:ZKNU2014109);周口师范学院大学生科研创新基金(编号:ZKNUD15037)。
作者简介:张晓琼(1991—),女,河南安阳人,硕士研究生,主要从事植物遗传学研究。E-mail:zxqxiaoqiong00@163.com。
通信作者:胡利宗,博士,副教授,主要从事植物遗传学研究。E-mail:hulizong@126.com。
更新日期/Last Update: 2016-10-25