Effects of calmodulin on DNA-binding activity of heat shock transcription factor in vitro

文献类型: 外文期刊

第一作者: Li, B

作者: Li, B;Liu, HT;Mu, RL;Sun, DY;Zhou, RG

作者机构:

关键词: calmodulin;heat shock transcription factor;DNA-binding activity;maize;wheat;tomato

期刊名称:CHINESE SCIENCE BULLETIN ( 影响因子:1.649; 五年影响因子:1.738 )

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收录情况: SCI

摘要: The DNA-binding activity of heat shock transcription factor (HSF) was induced by heat shock (HS) of a whole cell extract. Addition of antiserum, specific to CaM, to a whole cell extract reduced bind of the HSF to the heat shock element (HSE) with maize, and the re-addition of CaM to the sample restored the activity of the HSF for binding to HSE. In addition, DNA-binding activity of the HSF was also induced by directly adding CaM to a whole cell extract at non-HS temperature with maize. Similar results were obtained with wheat and tomato. Our observations provide the first example of the involvement of CaM in regulation of the DNA-binding activity of the HSF.

分类号: N1

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