[1]黄娟,安锋,庄海燕,等.橡胶树水通道蛋白基因HbPIP1;2和HbPIP2;2的克隆及序列分析[J].西北林学院学报,2011,26(06):56-61.
　HUANG Juan,AN Feng,ZHUANG Hai yan,et al.Molecular Cloning and Sequence Analysis of HbPIP1;2 and HbPIP2;2 Aquaporin Genes in Hevea brasiliensis[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2011,26(06):56-61.
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橡胶树水通道蛋白基因HbPIP1;2和HbPIP2;2的克隆及序列分析
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第26卷
期数:
2011年06期
页码:
56-61
栏目:
林木遗传育种与栽培
出版日期:
2011-11-30

文章信息/Info

Title:
Molecular Cloning and Sequence Analysis of HbPIP1;2 and HbPIP2;2 Aquaporin Genes in Hevea brasiliensis
作者:
黄娟1; 2; 安锋2; 3; 庄海燕1; 喻修道2;  张硕新1; 4*
1.西北农林科技大学 林学院，陕西 杨陵712100；2.农业部 橡胶树生物学重点开放实验室，海南 儋州 571737; 3.Institute for Technology Research and Innovation, Deakin University, Geelong, Vic, 3217, Australia； 4.陕西秦岭森林生态系统国家野外科学观测研究站，陕西 宁陕 711600
Author(s):
HUANG Juan1; 2;  AN Feng2; 3;  ZHUANG Haiyan1;  YU Xiudao2;  ZHANG Shuoxin1; 4
1.College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; 2 .Key Laboratory of Rubber Biology of Ministry of Agriculture, Danzhou,Hainan 571737, China; 3. Institute for Technology Research and Innovation, Deakin University, Geelong, Vic, 3217, Australia； 4.Qingling National Forest Ecosystem Research Station, Ningshan, Shaanxi 711600, China
关键词:
橡胶树; 水通道蛋白; PCR; RACE; 序列分析
Keywords:
Hevea brasiliensis;  aquaporin;  PCR;  RACE;  sequence analysis
分类号:
S794.104
文献标志码:
A
摘要:
根据GenBank中已经公布的不同植物水通道蛋白（AQPs）的保守氨基酸序列设计简并引物，结合RTPCR和RACE技术，从橡胶树（Hevea brasiliensis）中克隆了2个AQP基因的全长cDNA序列，并对其进行生物信息学分析。结果获得橡胶树2个AQPs基因的全长，分别命名为HbPIP1;2和HbPIP2;2。 HbPIP1;2编码273个氨基酸，理论分子量为29.15 kD，等电点为8.55；HbPIP2;2编码278个氨基酸，理论分子量为29.78 kD，等电点为8.20。HbPIP1;2和HbPIP2;2均具有6个跨膜区和MIP家族信号序列SGXHXNPAVT，为疏水性蛋白；HbPIP1;2和HbPIP2;2与同科蓖麻水通道蛋白基因RcPIP13和RcPIP21的同源性分别为91%和89%，并具有相同功能域。因此，推测HbPIP1;2和HbPIP2;2都属于水通道蛋白基因家族的新成员。
Abstract:
Degenerate primers were designed based on the conserved amino acid sequence of the published AQPs from different plant species, the method of RTPCR and RACE were adopted and two fulllength cDNAs encoding aquaporins were cloned from the bark of Hevea brasiliensis. Bioinformatics tools were applied to analyze both the cDNA sequence and protein sequence. Two AQP genes were obtained from H. brasiliensis, which were designated HbPIP1;2 and HbPIP2;2. The HbPIP1;2 encoding 273 amino acids with molecular weight 29.15 kD and theoretical pI 8.55; and the HbPIP2;2 encoding 278 amino acids with molecular weight 29.78 kD and theoretical pI 8.20; HbPIP1;2 and HbPIP2;2 both contain six transmembrane areas, possessing the MIP family signal consensus sequence SGXHXNPAVT, and were predicted as hydrophobic protein. The HbPIP1;2 and HbPIP2;2 had 91% and 89% homology with the published aquaporin genes of the Ricinus communis plasma membrane intrinsic protein by the nucleic acid and amino acid sequence homology analysis, so the HbPIP1;2 and HbPIP2;2 both belong to new member of aquaporins family.

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备注/Memo

备注/Memo:
收稿日期：20101210修回日期：20110627 基金项目：国家自然科学基金(30660029；31100460)；国家自然科学基金国际合作项目(30810103048)；公益性行业(农业)科技专项(nyhyzx070336)；海南省自然科学基金(809029) 作者简介：黄娟,女，硕士研究生，主要从事分子生态学方面研究。 *通讯作者：张硕新，男，教授，博士生导师，主要从事植物生理生态方面研究。Email:sxzhang@nwsuaf.edu.cn。
更新日期/Last Update: 2011-12-31