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Jasmonic acid signalling

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter (peer-reviewed)peer-review

Publication date15/01/2016
Host publicationeLS
Place of PublicationChichester
PublisherJohn Wiley and Sons
Number of pages9
ISBN (electronic)9780470015902
<mark>Original language</mark>English


Jasmonic acid (JA) is an important plant hormone involved in the regulation of plant development and stress responses. A central feature of JA signalling is the repression of JA responses by the JASMONATE ZIM‐DOMAIN (JAZ) protein family. JAZ proteins function to inhibit the activity of transcription factors responsible for driving the expression of JA‐responsive target genes. This is achieved by recruitment of transcriptional repressors and chromatin remodelling proteins. Perception by a COI1‐JAZ coreceptor of the main bioactive molecule in JA signalling, jasmonoyl‐l‐isoleucine, results in JAZ protein degradation and release of JA responses from suppression. Specificity in JA signalling is generated by a combination of JAZ protein diversity, cell specificity of JA‐responsive transcription factors and interactions with other plant hormone signalling pathways.