Document Detail

Overexpression of L-type lectin-like protein kinase 1 confers pathogen resistance and regulates salinity response in Arabidopsis thaliana.
MedLine Citation:
PMID:  23415333     Owner:  NLM     Status:  Publisher    
Plant receptor-like protein kinases are thought to be involved in various cellular processes mediated by signal transduction pathways. There are about 45 lectin receptor kinases in Arabidopsis, but only a few have been studied. Here, we investigated the effect of the disruption and overexpression of a plasma membrane-localized L-type lectin-like protein kinase 1, AtLPK1 (At4g02410), on plant responses to abiotic and biotic stress. Expression of AtLPK1 was strongly induced by abscisic acid, methyl jasmonate, salicylic acid and stress treatments. Overexpression of AtLPK1 in Arabidopsis resulted in enhanced seed germination and cotyledon greening under high salinity condition, while antisense transgenic lines were more sensitive to salt stress. Activity of three abiotic stress responsive genes, RD29A, RD29B and COR15A, was elevated in AtLPK1-overexpressing plants than that in wild type (WT) plants with salt treatment, whereas the transcript level of these genes in antisense plants decreased compared with WT. Furthermore, AtLPK1-overexpressing plants displayed increased resistance to infection by Botrytis cinerea and exhibited stronger expression of a group of defense-related genes than did WT. The data implicates AtLPK1 plays essential roles at both abiotic and biotic stress response in Arabidopsis thaliana.
Ping Huang; Hyun-Woo Ju; Ji-Hee Min; Xia Zhang; Su-Hyun Kim; Kwang-Yeol Yang; Cheol Soo Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-14
Journal Detail:
Title:  Plant science : an international journal of experimental plant biology     Volume:  203-204C     ISSN:  1873-2259     ISO Abbreviation:  Plant Sci.     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-2-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882015     Medline TA:  Plant Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  98-106     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.
Department of Plant Biotechnology, Chonnam National University, Gwangju 500-757, Republic of Korea.
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