Journal
GENE
Volume 504, Issue 2, Pages 238-244Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gene.2012.05.011
Keywords
Oryza sativa L.; Qc-SNARE gene family; Expression pattern; Transgenic rice; Oxidative stress; Rice blast
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Funding
- National Science Foundation of China [30900888, 30971758, 31171516]
- Natural Science Foundation of Jiangsu Province [BK2009306]
- Ph.D. program foundation of the Ministry of Education [20090097120015, 20110097110037]
- National Key Project for Transgenic Crops [2009ZX08009-040B, 2011ZX08009-003]
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OsSYP71 is an oxidative stress and rice blast response gene that encodes a Qc-SNARE protein in rice. Qc-SNARE proteins belong to the superfamily of SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors), which function as important components of the vesicle trafficking machinery in eukaryotic cells. In this paper, 12 Qc-SNARE genes were isolated from rice, and expression patterns of 9 genes were detected in various tissues and in seedlings challenged with oxidative stresses and inoculated with rice blast. The expression of OsSYP71 was clearly up-regulated under these stresses. Overexpression of OsSYP71 in rice showed more tolerance to oxidative stress and resistance to rice blast than wild-type plants. These results indicate that Qc-SNAREs play an important role in rice response to environmental stresses, and OsSYP71 is useful in engineering crop plants with enhanced tolerance to oxidative stress and resistance to rice blast. (c) 2012 Elsevier B.V. All rights reserved.
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