Characterization and phylogenetic analysis of environmental stress-responsive SAP gene family encoding A20/AN1 zinc finger proteins in tomato

被引：88

作者：

Solanke, Amolkumar U. ^{[1
]}

Sharma, Manoj K. ^{[1
]}

Tyagi, Akhilesh K. ^{[1
]}

Sharma, Arun Kumar ^{[1
]}

机构：

[1] Univ Delhi, Dept Plant Mol Biol, New Delhi 110021, India

来源：

MOLECULAR GENETICS AND GENOMICS | 2009年 / 282卷 / 02期

关键词：

A20; AN1; Solanaceae; Stress; Zinc finger; EXPRESSION ANALYSIS; CONFERS TOLERANCE; COLD STRESS; E3; LIGASE; RICE; A20; OVEREXPRESSION; SALT; IDENTIFICATION; DEHYDRATION;

D O I：

10.1007/s00438-009-0455-5

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Characterization of genes responsive to stress is important for efforts on improving stress tolerance of plants. To address components involved in stress tolerance of tomato (Solanum lycopersicum), a stress-responsive gene family encoding A20/AN1 zinc finger proteins was characterized. In the present study, 13 members of this gene family were cloned from tomato cultivar Pusa Ruby and named as Stress Associated Protein (SAP) genes. Out of 13 genes, 12 have been mapped on their respective chromosomes. Expression of these genes in response to cold, heat, salt, desiccation, wounding, abscisic acid, oxidative and submergence stresses was analysed. All tomato SAP genes were found to be responsive to one or other type of environmental stress. The phylogenetic analysis of these genes, along with their orthologs from Solanaceae species suggests the presence of a common set of SAP genes in the studied Solanaceae species. The present study characterizes a SAP gene family, which encodes A20/AN1 zinc finger containing proteins from tomato for the first time. Genes showing high expression in response to a particular stress can be exploited for improving stress tolerance of tomato and other Solanaceae members.

引用

页码：153 / 164

页数：12

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