|本期目录/Table of Contents|

[1]袁娜,戴琛,杨郁文,等.棉花多肽的分离提取方法建立及质谱鉴定[J].江苏农业科学,2019,47(20):95-98.
 Yuan Na,et al.Extraction and identification of total peptides from cotton roots by nano LC-MS/MS analysis[J].Jiangsu Agricultural Sciences,2019,47(20):95-98.
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棉花多肽的分离提取方法建立及质谱鉴定(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第20期
页码:
95-98
栏目:
生物技术
出版日期:
2019-11-18

文章信息/Info

Title:
Extraction and identification of total peptides from cotton roots by nano LC-MS/MS analysis
作者:
袁娜1 戴琛2 杨郁文1 杜建厂1 张保龙1
1.江苏省农业科学院种质资源与生物技术研究所/江苏省农业生物学重点实验室,江苏南京 210014;
2.南京农业大学生命科学学院,江苏南京 210095
Author(s):
Yuan Naet al
关键词:
棉花多肽蛋白质组学质谱分析
Keywords:
-
分类号:
S562.01
DOI:
-
文献标志码:
A
摘要:
多肽是一类小分子物质,在植物生长、发育及抗逆等众多生命过程中起着重要的调控作用。旨在探索棉花根部多肽的分离提取方法,建立基于改良尿素法的棉花多肽组样品收集方法。基于该方法,笔者在棉花根部组织中获得809个小分子肽序列,这些多肽的大小在10~70个氨基酸之间。随后,采用液相色谱-质谱联用技术,笔者进一步对获得的多肽进行来源鉴定和序列分析。通过功能注释和亚细胞定位预测,发现这些多肽来源的基因在结合和催化活性、细胞过程、代谢过程功能亚类中所占比例最高,并且这些基因大多分布在细胞质中(52%)。此外由结果还可以看出,与抗病防卫相关的蛋白包括PR10、包含NB-ARC结构域的蛋白、过氧化氢酶、氧化还原酶等来源的多肽还伴有甲酰化、脱酰胺基化、乙基化等10种以上的氨基酸修饰方式。该技术为后续棉花多肽组学研究、棉花多肽数据库的建立,以及挖掘如抗病抗逆相关的多肽应用于生产奠定了理论基础和技术支持。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-05-29
基金项目:江苏省自然科学基金(编号:BK20170604)。
作者简介:袁娜(1989—),女,江苏宿迁人,博士,助理研究员,主要从事棉花抗病育种及生物信息学研究。E-mail:thefuries@163.com。
通信作者:杜建厂,博士,研究员,主要从事生物信息学研究。E-mail:dujianchang@hotmail.com。
更新日期/Last Update: 2019-10-20