eCite Digital Repository

Calcium Efflux as a Component of the Hypersensitive Response of Nicotiana benthamiana to Pseudomonas syringae

Citation

Nemchinov, LG and Shabala, Lana and Shabala, SN, Calcium Efflux as a Component of the Hypersensitive Response of Nicotiana benthamiana to Pseudomonas syringae, Plant and Cell Physiology, 49, (1) pp. 40-46. ISSN 0032-0781 (2008) [Refereed Article]

DOI: doi:10.1093/pcp/pcm163

Abstract

Using a model plant Nicotiana benthamiana, we have demonstrated that initial calcium uptake in response to the HR (hypersensitive response)-causing pathogen Pseudomonas syringae pv syringae 61 is followed by net calcium efflux initiated at about 12 h after the bacterial challenge and sustained for at least 48 h. Our data suggest that calcium not only acts as an important second messenger in the activation of resistance responses but may also be a downstream mediator of later cell death acceleration and completion of the defense reaction. Accordingly, we propose that the existing model of HR should be amended to include a PM Ca2+ ATP pump as an important component of the HR to pathogens in plants. © The Author 2007. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved.

Item Details

Item Type:Refereed Article
Research Division:Biological Sciences
Research Group:Microbiology
Research Field:Microbial Ecology
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Food Safety
Author:Shabala, Lana (Dr Lana Shabala)
Author:Shabala, SN (Professor Sergey Shabala)
ID Code:49994
Year Published:2008
Web of Science® Times Cited:24
Deposited By:Agricultural Science
Deposited On:2008-05-08
Last Modified:2011-11-24
Downloads:0

Repository Staff Only: item control page