NDLI: Modulation of transcription factor and metabolic pathway genes in response to water-deficit stress in rice

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Modulation of transcription factor and metabolic pathway genes in response to water-deficit stress in rice

Content Provider	Springer Nature Link
Author	Ray, Swatismita Dansana, Prasant K. Giri, Jitender Deveshwar, Priyanka Arora, Rita Agarwal, Pinky Khurana, Jitendra P. Kapoor, Sanjay Tyagi, Akhilesh K.
Copyright Year	2010
Abstract	Water-deficit stress is detrimental for rice growth, development, and yield. Transcriptome analysis of 1-week-old rice (Oryza sativa L. var. IR64) seedling under water-deficit stress condition using Affymetrix 57 K GeneChip® has revealed 1,563 and 1,746 genes to be up- and downregulated, respectively. In an effort to amalgamate data across laboratories, we identified 5,611 differentially expressing genes under varying extrinsic water-deficit stress conditions in six vegetative and one reproductive stage of development in rice. Transcription factors (TFs) involved in ABA-dependent and ABA-independent pathways have been found to be upregulated during water-deficit stress. Members of zinc-finger TFs namely, C2H2, C2C2, C3H, LIM, PHD, WRKY, ZF-HD, and ZIM, along with TF families like GeBP, jumonji, MBF1 and ULT express differentially under water-deficit conditions. NAC (NAM, ATAF and CUC) TF family emerges to be a potential key regulator of multiple abiotic stresses. Among the 12 TF genes that are co-upregulated under water-deficit, salt and cold stress conditions, five belong to the NAC TF family. We identified water-deficit stress-responsive genes encoding key enzymes involved in biosynthesis of osmoprotectants like polyols and sugars; amino acid and quaternary ammonium compounds; cell wall loosening and structural components; cholesterol and very long chain fatty acid; cytokinin and secondary metabolites. Comparison of genes responsive to water-deficit stress conditions with genes preferentially expressed during panicle and seed development revealed a significant overlap of transcriptome alteration and pathways.
Starting Page	157
Ending Page	178
Page Count	22
File Format	PDF
ISSN	1438793X
Journal	Functional & Integrative Genomics
Volume Number	11
Issue Number	1
e-ISSN	14387948
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-09-07
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oryza sativa L. var. IR64 Microarray Transcriptome analysis Water-deficit stress Metabolic pathways Transcription factors Biochemistry Bioinformatics Plant Genetics & Genomics Animal Genetics and Genomics Microbial Genetics and Genomics Cell Biology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine

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