Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 15, Issue 4, Pages 431-437Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2012.02.003
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Funding
- Program for Promotion of Basic Research Activities for Innovative Biosciences (PROBRAIN)
- Japan Society of the Promotion of Science
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Plants have evolved immune system to protect themselves against invading pathogens. Recent research has illustrated that signaling networks, after perception of diverse pathogen-derived signals, facilitate transcriptional reprogramming through mitogen-activated protein kinase (MAPK) cascades. WRKY proteins, which comprise a large family of plant transcription factors, are key players in plant immune responses. WRKY transcription factors participate in the control of defense-related genes either as positive or as negative regulators, and essentially are regulated at the transcriptional level. Emerging evidence emphasizes that group I WRKY transcription factors, which contain a conserved motif in the N-terminal region, are also activated by MAPK-dependent phosphorylation, underlining their importance in plant immunity.
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