MYB30 transcription factor regulates oxidative and heat stress responses through ANNEXIN-mediated cytosolic calcium signaling in Arabidopsis

• Published in: The New phytologist Vol. 216; no. 1; pp. 163 - 177
• Main Authors: Liao, Chancan, Zheng, Yuan, Guo, Yan
• Format: Journal Article
• Language: English
• Published: England New Phytologist Trust 01.10.2017; Wiley Subscription Services, Inc
• Subjects: ANNEXIN; Annexins - genetics; Annexins - metabolism; Arabidopsis; Arabidopsis - drug effects; Arabidopsis - genetics; Arabidopsis - metabolism; Arabidopsis Proteins - genetics; Arabidopsis Proteins - metabolism; Arabidopsis thaliana; Base Sequence; Calcium; calcium channel blockers; Calcium channels; calcium signaling; Calcium Signaling - drug effects; Calcium Signaling - genetics; Calcium signalling; Cloning, Molecular; Cytosol - metabolism; DNA; Environmental conditions; environmental factors; Gene expression; gene expression regulation; Gene Expression Regulation, Plant - drug effects; genes; Genetic screening; Heat; heat shock response; Heat stimuli; Heat stress; Heat tolerance; Heat-Shock Response - drug effects; Heat-Shock Response - genetics; Hydrogen peroxide; Hydrogen Peroxide - toxicity; Methyl viologen; Models, Biological; Mutants; Mutation - genetics; MYB30; Nucleotide sequence; oxidative stress; Oxidative Stress - drug effects; Oxidative Stress - genetics; paraquat; Paraquat - pharmacology; PCR; Polymerase chain reaction; Promoter Regions, Genetic - genetics; Promoters; Protein Binding - drug effects; Proteins; reverse transcriptase polymerase chain reaction; Reverse transcription; stress response; Transcription; Transcription factors; Transcription Factors - genetics; Transcription Factors - metabolism; transcriptional regulation; heat stress; ANNEXIN; stress response; Arabidopsis; MYB30; transcriptional regulation; calcium signaling; oxidative stress

Cytosolic calcium signaling is critical for regulating downstream responses in plants encountering unfavorable environmental conditions. In a genetic screen for Arabidopsis thaliana mutants defective in stress-induced cytosolic free Ca2+ ([Ca2+]cyt) elevations, we identified the R2R3-MYB transcripti...