Capsicum annuum WRKY protein CaWRKY1 is a negative regulator of pathogen defense

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dc.contributor.authorSang-Keun Oh-
dc.contributor.authorK H Baek-
dc.contributor.authorJeong Mee Park-
dc.contributor.authorS Y Yi-
dc.contributor.authorS H Yu-
dc.contributor.authorS Kamoun-
dc.contributor.authorDoil Choi-
dc.date.accessioned2017-04-19T09:09:37Z-
dc.date.available2017-04-19T09:09:37Z-
dc.date.issued2008-
dc.identifier.issn0028-646X-
dc.identifier.uri10.1111/j.1469-8137.2007.02310.xko
dc.identifier.urihttps://oak.kribb.re.kr/handle/201005/8320-
dc.description.abstractPlants respond to pathogens by regulating a network of signaling pathways that fine-tune transcriptional activation of defense-related genes. ? The aim of this study was to determine the role of Capsicum annuum WRKY zinc finger-domain transcription factor 1 (CaWRKY1) in defense. In previous studies, CaWRKY1 was found to be rapidly induced in C. annuum (chili pepper) leaves by incompatible and compatible pathogen inoculations, but the complexity of the network of the WRKY family prevented the function of CaWRKY1 in defense from being elucidated. ? Virus-induced gene silencing of CaWRKY1 in chili pepper leaves resulted in decreased growth of Xanthomonas axonopodis pv. vesicatoria race 1. CaWRKY1-overexpressing transgenic plants showed accelerated hypersensitive cell death in response to infection with tobacco mosaic virus and Pseudomonas syringe pv. tabaci. Lower levels of pathogenesis-related gene induction were observed in CaWRKY1-overexpressing transgenic plants following salicylic acid (SA) treatments. ? This work suggests that the newly characterized CaWRKY1, which is strongly induced by pathogen infections and the signal molecule SA, acts as a regulator to turn off systemic acquired resistance once the pathogen challenge has diminished and to prevent spurious activation of defense responses at suboptimal concentrations of SA.-
dc.publisherWiley-
dc.titleCapsicum annuum WRKY protein CaWRKY1 is a negative regulator of pathogen defense-
dc.title.alternativeCapsicum annuum WRKY protein CaWRKY1 is a negative regulator of pathogen defense-
dc.typeArticle-
dc.citation.titleNew Phytologist-
dc.citation.number4-
dc.citation.endPage989-
dc.citation.startPage977-
dc.citation.volume177-
dc.contributor.affiliatedAuthorJeong Mee Park-
dc.contributor.affiliatedAuthorDoil Choi-
dc.contributor.alternativeName오상근-
dc.contributor.alternativeName백광현-
dc.contributor.alternativeName박정미-
dc.contributor.alternativeName이소영-
dc.contributor.alternativeName유승훈-
dc.contributor.alternativeNameKamoun-
dc.contributor.alternativeName최도일-
dc.identifier.bibliographicCitationNew Phytologist, vol. 177, no. 4, pp. 977-989-
dc.identifier.doi10.1111/j.1469-8137.2007.02310.x-
dc.subject.keywordChili pepper (Capsicum annuum)-
dc.subject.keywordDisease resistance-
dc.subject.keywordHypersensitive response-
dc.subject.keywordPlant defense-
dc.subject.keywordSystemic acquired resistance-
dc.subject.keywordWRKY transcription factor-
dc.subject.localChili pepper (Capsicum annuum)-
dc.subject.localChili pepper-
dc.subject.localChili pepper (Capsicum annum)-
dc.subject.localchili pepper-
dc.subject.localDisease resistance-
dc.subject.localdisease resistance-
dc.subject.localhypersensitive response-
dc.subject.localHypersensitive response-
dc.subject.localHypersensitive Response-
dc.subject.localplant defense-
dc.subject.localPlant defense-
dc.subject.localSystemic acquired resistance-
dc.subject.localsystemic acquired resistance-
dc.subject.localSystemic acquired Resistance-
dc.subject.localSystemic acquired resistance (SAR)-
dc.subject.localsystemic-acquired resistance-
dc.subject.localWRKY transcription factor-
dc.description.journalClassY-
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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