|本期目录/Table of Contents|

[1]王步勇,马玲.黄花蒿1-脱氧-D-木酮糖-5-磷酸还原异构酶基因的生物信息学分析[J].江苏农业科学,2016,44(09):42-47.
 Wang Buyong,et al.Bioinformatics analysis of 1-deoxy-D-xylulose-5-phosphate reductive isomerase gene in Artemisia annua[J].Jiangsu Agricultural Sciences,2016,44(09):42-47.
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黄花蒿1-脱氧-D-木酮糖-5-磷酸
还原异构酶基因的生物信息学分析
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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09期
页码:
42-47
栏目:
生物技术
出版日期:
2016-09-25

文章信息/Info

Title:
Bioinformatics analysis of 1-deoxy-D-xylulose-5-phosphate reductive isomerase gene in Artemisia annua
作者:
王步勇 马玲
东北林业大学林学院,黑龙江哈尔滨 150040
Author(s):
Wang Buyonget al
关键词:
黄花蒿DXR基因生物信息学同源序列多重序列比对蛋白结构蛋白互作网络青蒿素生物合成量
Keywords:
-
分类号:
S188;R282.5
DOI:
-
文献标志码:
A
摘要:
以黄花蒿(Artemisia annua L.) 1-脱氧-D-木酮糖-5-磷酸还原异构酶基因(DXR)为研究对象,利用美国国家生物技术信息中心(NCBI)网站及生物信息学软件对碱基分布、氨基酸组成、亲疏水性及编码蛋白结构进行预测,用Clustal W进行多序列比对,用MGEA构建系统发育树,用STRING进行蛋白互作网络分析,研究黄花蒿DXR基因特征并预测分析DXR蛋白结构与功能。结果表明:黄花蒿DXR基因mRNA序列长度为1 419 bp,编码蛋白包含472个氨基酸,等电点为 6.15;DXR蛋白为疏水性蛋白,无信号肽,无跨膜结构域。多序列比对及系统发育树分析表明,黄花蒿DXR蛋白与杭白菊DXR(BAE79548.1)的相似度最高,为98%,且处于同一分支,亲缘关系较近。蛋白结构分析显示,α-螺旋、无规则卷曲是黄花蒿DXR蛋白的主要结构元件。互作网络分析显示,黄花蒿DXR在2-甲基-D-赤藓糖醇-4-磷酸(2-C-methyl-D-erythritol-4-phosphate,MEP)代谢途径中,可与CMS、DXS、HDS等多个蛋白发生互作。黄花蒿DXR基因在进化过程中相对保守,获得的保守区序列信息为其他物种DXR基因的克隆奠定了基础,深入研究该蛋白酶的结构和功能特征,也为今后提高青蒿素的生物合成量提供理论支持。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-03-24
基金项目:中央高校基本科研业务专项资金(编号:2572015AA09)。
作者简介:王步勇(1989—),男,山东泰安人,博士研究生,主要从事森林保护学方面的研究。E-mail:wangbuyong89@163.com。
通信作者:马玲,博士,教授,主要从事植物源农药学研究。E-mail:maling63@163.com。
更新日期/Last Update: 2016-09-25