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

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Title Characterization and phylogenetic analysis of environmental stress responsive SAP gene family encoding A20/AN1 zinc-finger proteins in tomato
 
Creator Solanke, Amolkumar U.
Sharma, Manoj K.
Tyagi, Akhilesh K.
Sharma, Arun Kumar
 
Subject A20
AN1
Solanaceae
Stress
Zinc Wnger
 
Description Characterization of genes responsive to stress is
important for eVorts 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 Wnger 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 chromo-
somes. 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 environ-
mental stress. The phylogenetic analysis of these genes,
along with their orthologs from Solanaceae species sug-
gests 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 Wnger
containing proteins from tomato for the Wrst time. Genes showing high expression in response to a particular stress
can be exploited for improving stress tolerance of tomato
and other Solanaceae members.
This work was Wnancially supported by grants
received from the Department of Biotechnology and Defence Research
and Development Organization, Government of India. A.U.S.
acknowledges CSIR for the fellowship granted during his tenure as a
research fellow.
 
Date 2014-02-13T10:01:15Z
2014-02-13T10:01:15Z
2009
21 April 2009
 
Type Article
 
Identifier Mol. Genet. Genomics, 282: 153-164
http://hdl.handle.net/123456789/130
 
Language en
 
Publisher Springer