Document Detail

The XA21 binding protein XB25 is required for maintaining XA21-mediated Disease Resistance.
MedLine Citation:
PMID:  23206229     Owner:  NLM     Status:  Publisher    
Plant genomes encode a large number of proteins that potentially function as immune receptors to defend against pathogen invasion. As a well-characterized receptor kinase consisting of 23 tandem leucine-rich repeats, a transmembrane domain, and a serine/threonine kinase, the rice (Oryza sativa) protein XA21 confers resistance to a broad-spectrum of Xanthomonas oryzae pv. oryzae (Xoo) races that cause bacterial blight disease. We report here that XA21 binding protein 25 (XB25) belongs to the Plant-specific Ankyrin-repeat (PANK) family. XB25 physically interacts, in vitro, with the transmembrane domain of XA21 through its N-terminal binding to transmembrane and positive charged domain (BTMP) repeats. In addition, XB25 associates with XA21 in planta. Down-regulation of Xb25 results in reduced levels of XA21 and compromised XA21-mediated disease resistance at the adult stage. Moreover, accumulation of XB25 is induced by Xoo infection. Taken together, these results indicate that XB25 is required for maintaining XA21-mediated disease resistance. © 2012 The Authors. The Plant Journal © 2012 Blackwell Publishing Ltd.
Yingnan Jiang; Xiuhua Chen; Xiaodong Ding; Yongsheng Wang; Qiang Chen; Wen-Yuan Song
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-4
Journal Detail:
Title:  The Plant journal : for cell and molecular biology     Volume:  -     ISSN:  1365-313X     ISO Abbreviation:  Plant J.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9207397     Medline TA:  Plant J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Authors. The Plant Journal © 2012 Blackwell Publishing Ltd.
Department of Plant Pathology, University of Florida, Gainesville, Florida, 32611.
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