菜用大豆液泡膜内在蛋白(TIPs)基因鉴定及表达分析
作者:
作者单位:

浙江省农业科学院蔬菜研究所,浙江省农业科学院蔬菜研究所,浙江省农业科学院蔬菜研究所,浙江省农业科学院蔬菜研究所,浙江省农业科学院蔬菜研究所,浙江省农业科学院蔬菜研究所

作者简介:

通讯作者:

中图分类号:

基金项目:

国家重点研发计划项目(2017YFD0101500);国家自然科学基金青年项目(31601767和31572138);浙江省蔬菜新品种选育重大科技专项(2016C02051);浙江省农业科学院青年人才培养项目(2016R23R08E06) ;农业部物种品种资源保护费项目-第三次全国农作物种质资源普查与收集行动(111721301354052231)


Gene identification and expression analyses of vegetable soybean tonoplast intrinsic proteins (TIPs)
Author:
Affiliation:

Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021,Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021,Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021,Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021,Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021,Institute of Vegetables,Zhejiang Academy of Agriculture,Hangzhou Zhejiang 310021

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    TIPs(tonoplast intrinsic proteins)是一类定位于液泡膜或液泡形成体上的水通道蛋白,在植物响应逆境胁迫中发挥重要作用。本文利用大豆基因组数据库,在全基因组水平鉴定到23个GmTIPs基因。染色体定位分析发现GmTIPs基因分布在大豆17条染色体上。蛋白多序列比对分析发现所有GmTIPs含有典型的6个保守的跨膜螺旋(TM1 to TM6)和2个保守的氨基酸元件NPA盒(Asp-Pro-Ala box)。蛋白特性分析发现GmTIPs的氨基酸数目在237到255之间,分子量在25.0到27.2 KDa之间,等电点在5.08到10.01之间。进化关系分析显示,大豆GmTIPs可划分为5个分支(TIP1,TIP2,TIP3,TIP4和TIP5),与拟南芥分类一致,且每个分支均含有这两个物种中的TIPs成员,暗示同一分支TIPs基因成员可能具有相似的基因功能。进一步利用qRT-PCR技术分析了5个GmTIPs候选基因对逆境胁迫(干旱和高盐)及激素信号(脱落酸ABA和乙烯前体ACC)的响应情况。结果显示,这些环境胁迫及外源激素均可以诱导GmTIPs基因在根和叶这两种组织中的上调或下调表达。其中,干旱和高盐两种胁迫诱导GmTIP2;6在根中上调表达最为明显。然而,干旱胁迫分别诱导GmTIP2;1、GmTIP2;2和GmTIP4;1在根中显著下调表达和在叶中显著上调表达。激素ACC处理诱导GmTIP2;2在根中明显上调表达。以上结果为进一步探讨GmTIPs基因的抗逆功能、分子机制及其在菜用大豆分子育种中的应用提供重要依据。

    Abstract:

    Tonoplast intrinsic proteins (TIPs), localizing on the tonoplast or the vacuole formed body, belong to one subclass of aquaporins and are known to play important roles in plant abiotic stress responses. In the present study, 23 GmTIP genes were identified on the genomic level, using soybean genome database. Chromosomal distribution analyses suggested GmTIP genes were distributed on 17 chromosomes. Protein multiple sequence alignment analyses showed that all GmTIP proteins contained six representative trans-membrane domains (TM1 to TM6) and two conserved NPA (Asp-Pro-Ala box) domains. Protein feature analyses indicated that the number of amino acids of GmTIPs ranged from 237 to 255, the molecular masses ranged from 27.0 to 27.2 KDa and the isoelectronic points ranged from 5.08 to 10.01. Evolutionary relationship analyses showed that GmTIPs were divided into five clades (TIP1 to TIP5), which was consistent with Arabidopsis AtTIPs. And each clade was composed of the homologous TIPs from soybean and Arabidopsis, which may be functionally conserved. Furthermore, the responsiveness of 5 GmTIP candidate genes in response to abiotic stresses (drought and salt) and hormone signals (abscisic acid (ABA) and amino cyclopropane carboxylic acid (ACC)) were investigated using qRT-PCR. The results revealed that these environmental stresses and exogenous hormones could induce the up-regulation or down-regulation of these tested GmTIP genes in leaves or roots. Among them, GmTIP2;6 was most significantly up-regulated in roots after drought or salt treatment. However, for GmTIP2;1, GmTIP2;2 and GmTIP4;1, drought treatment provoked their dramatic down-regulation expression in roots and their dramatic up-regulation expression in leaves . For ACC hormone treatment, GmTIP2;2 was strong up-regulation in roots. These findings will facilitate further study of the functional roles and molecular mechanisms of GmTIP genes during abiotic stress responses and promote the application of GmTIP genes in molecular breeding of vegetable soybean.

    参考文献
    相似文献
    引证文献
引用本文

冯志娟,徐盛春,刘娜,等.菜用大豆液泡膜内在蛋白(TIPs)基因鉴定及表达分析[J].植物遗传资源学报,2018,19(4):713-721.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2018-01-02
  • 最后修改日期:2018-01-29
  • 录用日期:2018-03-01
  • 在线发布日期: 2018-07-16
  • 出版日期:
文章二维码
您是第位访问者
ICP:京ICP备09069690号-23
京ICP备09069690号-23
植物遗传资源学报 ® 2024 版权所有
技术支持:北京勤云科技发展有限公司