Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana

Giesguth M, Sahm A, Simon S, Dietz K-J (2015)
FEBS letters 589(6): 718-725.

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Journal Article | Original Article | Published | English

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Fakultät für Biologie > Biochemie und Physiologie der Pflanzen
Abstract
The hypothesis is tested that some heat stress transcription factors (HSFs) are activated after formation of inter- or intramolecular disulfide bonds. Based on in silico analyses we identified conserved cysteinyl residues in AtHSFA8 that might function as redox sensors in plants. AtHSFA8 represents a redox-sensitive transcription factor since upon treatment of protoplasts with H2O2 YFP-labeled HSFA8 was translocated to the nucleus in a time-dependent manner. Site-directed mutagenesis of the conserved residues Cys24 and Cys269 blocked translocation of HSFA8 to the nucleus. The findings concur with a model where HSFA8 functions as redox sensing transcription factor within the stress-responsive transcriptional network.
Publishing Year
2015
ISSN
1873-3468
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Giesguth M, Sahm A, Simon S, Dietz K-J. Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana. FEBS letters. 2015;589(6):718-725.
Giesguth, M., Sahm, A., Simon, S., & Dietz, K. - J. (2015). Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana. FEBS letters, 589(6), 718-725. doi:10.1016/j.febslet.2015.01.039
Giesguth, M., Sahm, A., Simon, S., and Dietz, K. - J. (2015). Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana. FEBS letters 589, 718-725.
Giesguth, M., et al., 2015. Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana. FEBS letters, 589(6), p 718-725.
M. Giesguth, et al., “Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana”, FEBS letters, vol. 589, 2015, pp. 718-725.
Giesguth, M., Sahm, A., Simon, S., Dietz, K.-J.: Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana. FEBS letters. 589, 718-725 (2015).
Giesguth, Miriam, Sahm, Arne, Simon, Swen, and Dietz, Karl-Josef. “Redox-dependent translocation of the heat shock transcription factor AtHSFA8 from the cytosol to the nucleus in Arabidopsis thaliana”. FEBS letters 589.6 (2015): 718-725.
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The Plant Heat Stress Transcription Factors (HSFs): Structure, Regulation, and Function in Response to Abiotic Stresses.
Guo M, Liu JH, Ma X, Luo DX, Gong ZH, Lu MH., Front Plant Sci 7(), 2016
PMID: 26904076
Multi-Level Interactions Between Heat Shock Factors, Heat Shock Proteins, and the Redox System Regulate Acclimation to Heat.
Driedonks N, Xu J, Peters JL, Park S, Rieu I., Front Plant Sci 6(), 2015
PMID: 26635827
Identification, isolation, and expression analysis of heat shock transcription factors in the diploid woodland strawberry Fragaria vesca.
Hu Y, Han YT, Wei W, Li YJ, Zhang K, Gao YR, Zhao FL, Feng JY., Front Plant Sci 6(), 2015
PMID: 26442049

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