NDLI: Alternative Functions of Arabidopsis YELLOW STRIPE-LIKE3: From Metal Translocation to Pathogen Defense

Content Provider	PubMed Central
Author	Chen, Chyi-chuann Chien, Wei-fu Lin, Nai-chun Yeh, Kuo-chen
Editor	Lu, Hua
Copyright Year	2014
Abstract	YELLOW STRIPE-LIKE1 (YSL1) and YSL3 are involved in iron (Fe) and copper (Cu) translocation. Previously, we reported that upregulation of YSL1 and YSL3 under excess Cu caused high accumulation of Cu in the siz1 mutant, impaired in small ubiquitin-like modifier (SUMO) E3 ligase. Interestingly, the siz1 mutant contains high levels of salicylic acid (SA), involved in plant defense against biotrophic pathogens. In this study, we found that YSL1 and YSL3 were upregulated by SA. SA-regulated YSL3 but not YSL1 depended on NONEXPRESSOR OF PR1 (NPR1). Susceptibility to the pathogen Pseudomonas syringe pv. tomato (Pst) DC3000 was greater for ysl3 than the wild type. Also, during Pst DC3000 infection, YSL3 was positively regulated by SA signaling through NPR1 and the upregulation was enhanced in the coi1 mutant that defective in the jasmonic acid (JA) receptor, CORONATINE INSENSITIVE1. This line of evidence indicates that the regulation of YSL3 is downstream of SA signaling and interplays with JA signaling for involvement in pathogen-induced defense. We provide new insights into the biological function of the metal transporter YSL3 in plant pathogen defense.
Related Links	http://dx.doi.org/10.1371/journal.pone.0098008
Starting Page	98008
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	5
Volume Number	9
Language	English
Publisher	Public Library of Science
Publisher Date	2014-05-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Biochemistry, Genetics and Molecular Biology(all) Agricultural and Biological Sciences(all) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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