Comprehensive expression analysis suggests overlapping and specific roles of rice glutathione S-transferase genes during development and stress responses.

BMC Genomics
Mukesh JainAnnapurna Bhattacharjee

Abstract

Glutathione S-transferases (GSTs) are the ubiquitous enzymes that play a key role in cellular detoxification. Although several GSTs have been identified and characterized in various plant species, the knowledge about their role in developmental processes and response to various stimuli is still very limited. In this study, we report genome-wide identification, characterization and comprehensive expression analysis of members of GST gene family in crop plant rice, to reveal their function(s). A systematic analysis revealed the presence of at least 79 GST genes in the rice genome. Phylogenetic analysis grouped GST proteins into seven classes. Sequence analysis together with the organization of putative motifs indicated the potential diverse functions of GST gene family members in rice. The tandem gene duplications have contributed a major role in expansion of this gene family. Microarray data analysis revealed tissue-/organ- and developmental stage-specific expression patterns of several rice GST genes. At least 31 GST genes showed response to plant hormones auxin and cytokinin. Furthermore, expression analysis showed the differential expression of quite a large number of GST genes during various abiotic stress (20), arsenate str...Continue Reading

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Citations

May 11, 2011·Inflammatory Bowel Diseases·Siew C NgMarcus Harbord
Sep 8, 2010·Functional & Integrative Genomics·Swatismita RayAkhilesh K Tyagi
Sep 19, 2012·Plant Molecular Biology·Tsai-Lien HuangHao-Jen Huang
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Datasets Mentioned

BETA
GSE6893
GSE7951
GSE6901
GSE4471
GSE5167
GSE6719
GSE7256
GSE10373

Methods Mentioned

BETA
chip
PCR

Software Mentioned

Rice Multiplatform Microarray Search Tool
PLACE
TIGR MultiExperiment Viewer ( MeV )
HMMER
SMART
TIGR Multi Experiment Viewer
Genespring GX
MEME
Rice Multi - platform Microarray Search
ClustalX

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