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Involvement of calcium-calmodulin in the expression of hsp26 gene in wheat

文献类型: 外文期刊

作者: Liu, HT 1 ; Zhao, H 2 ; Li, B 2 ; Sun, DY 2 ; Zhou, RG 2 ;

作者机构: 1.Hebei Acad Agr & Forestry Sci, Inst Agrophys Physiol & Biochem, Shijiazhuang 050051, Peoples R China

2.Hebei Acad Agr & Forestry Sci, Inst Agrophys Physiol & Biochem, Shijiazhuang 050051, Peoples R China; Hebei Normal Univ, Coll Life Sci, Shijiazhuang 050016, Peoples R China

关键词: heat shock protein;calcium-calmodulin;gene expression;wheat

期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )

ISSN: 0577-7496

年卷期: 2001 年 43 卷 7 期

页码:

收录情况: SCI

摘要: The treatment of wheat (Triticum aestivum L.) seedlings with CaCl2 increased mRNA levels of hsp26 gene at 37 degreesC for 1 h, while that with Ca2+ chelator EGTA decreased the expression of the hsp26 gene. The expression of the wheat calmodulin gene CaM1-2 is rapidly up-regulated in wheat seedlings by heat shock at 37 degreesC. The heat-induced up-regulation of CaM1-2 occurred earlier than that of the hsp26 gene did. Calmodulin antagonist N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamid (W7) inhibited the expression of the hsp26 gene in wheat seedlings at 37 degreesC for 1 h. These results implied that the calcium-calmodulin is probably involved in the signal transduction of the hsp26 gene expression induced by heat shock.

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