期刊
GENE
卷 503, 期 2, 页码 248-253出版社
ELSEVIER
DOI: 10.1016/j.gene.2012.04.069
关键词
WRKY transcription factor; Ricinus communis; Differential expression
资金
- National Nonprofit Institute Research Grant of CATAS-ITBB [ITBB110205]
- Special Fund of Forestry Industrial Research for Public Welfare of China [201004071]
In plants, WRRY proteins constitute a large family of transcription factors. They are involved in many biological processes, such as plant development, metabolism, and responses to biotic and abiotic stresses. A large number of WRKY transcription factors have been reported from Arabidopsis, rice, and other higher plants. The recent publication of the draft genome sequence of castor bean (Ricinus communis) has allowed a genome-wide search for R. communis WRKY (RcWRKY) transcription factors and the comparison of these positively identified proteins with their homologs in model plants. A total of 47 WRKY genes were identified in the castor bean genome. According to the structural features of the WRKY domain, the RcWRKY are classified into seven main phylogenetic groups. Furthermore, putative orthologs of RcWRKY proteins in Arabidopsis and rice could now be assigned. An analysis of expression profiles of RcWRKY genes indicates that 47 WRKY genes display differential expressions either in their transcript abundance or expression patterns under normal growth conditions. (C) 2012 Elsevier B.V. All rights reserved.
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