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Title 

NPR1 is instrumental in priming for the enhanced flg22-induced MPK3 and MPK6 activation

Authors 

So Young YiSung Ran MinSuk Yoon Kwon

Publisher 

Han Rim Won Publishing Company

Issue Date 

2015

Citation 

Plant Pathology Journal, vol. 31, no. 2, pp. 192-194

Keywords 

CIM6Flg22 responseMitogen-activated protein kinases (MAPKs)MPK3MPK6NPR1PrimingSalicylic acid signalingSID2

Abstract 

Pathogen-associated molecular patterns (PAMPs) activate mitogen-activated protein kinases (MAPKs), essential components of plant defense signaling. Salicylic acid (SA) is also central to plant resistance responses, but its specific role in regulation of MAPK activation is not completely defined. We have investigated the role of SA in PAMP-triggered MAPKs pathways in Arabidopsis SA-related mutants, specifically in the flg22-triggered activation of MPK3 and MPK6. cim6, sid2, and npr1 mutants exhibited wild-type-like flg22-triggered MAPKs activation, suggesting that impairment of SA signaling has no effect on the flg22-triggered MAPKs activation. Pretreatment with low concentrations of SA enhanced flg22-induced MPK3 and MPK6 activation in all seedlings except npr1, indicating that NPR1 is involved in SA-mediated priming that enhanced flg22- induced MAPKs activation.

ISSN 

1598-2254

Link 

http://dx.doi.org/10.5423/PPJ.NT.10.2014.0112

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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