NDLI: Genome-wide analysis for identification of salt-responsive genes in common wheat

Content Provider	Springer Nature Link
Author	Kawaura, Kanako Mochida, Keiichi Ogihara, Yasunari
Copyright Year	2008
Abstract	To identify salt-responsive genes in wheat, global expression analysis of transcripts was carried out using oligo-DNA microarrays. Microarrays have been designed from approximately 32,000 unique wheat genes classified from a large number of expressed sequence tags (ESTs). Two-week-old seedlings of wheat were treated with 150 mM NaCl for 1, 6, and 24 h, and their roots and shoots were separately subjected to analyses. Consequently, 5,996 genes showed changes in expression of more than twofold and were classified into 12 groups according to correlations in expression patterns. These salt-responsive genes were assigned functions using the Gene Ontology (GO). Genes assigned to transcription factor, transcription-regulator activity, and DNA-binding functions were preferentially classified into early response groups. On the other hand, those assigned transferase and transporter activity were classified into late response groups. These data suggest that multiple signal transduction pathways in response to salinity exist in wheat. Transcription factors (TFs) which have been reported as participants in salt-tolerant pathway changed their expression levels in response to salt treatment. Among them, only a few TFs show high sequence homologies to genes in rice. These investigations suggest that salt-responsive genes identified by this study are candidates for salt-stress tolerance uniquely in wheat.
Starting Page	277
Ending Page	286
Page Count	10
File Format	PDF
ISSN	1438793X
Journal	Functional & Integrative Genomics
Volume Number	8
Issue Number	3
e-ISSN	14387948
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-03-05
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microarray Salt stress Common wheat Transcription factor Animal Genetics and Genomics Bioinformatics Biochemistry Microbial Genetics and Genomics Plant Genetics & Genomics Cell Biology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine

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