Chen, Zhaorong, Zhou, Tao, Wu, Xuehong, Hong, Yiguo , Fan, Zaifeng and Li, Huaifang. (2008) Influence of cytoplasmic heat shock protein 70 on viral infection of Nicotiana benthamiana. Molecular Plant Pathology, Volume 9 (Number 6). pp. 809-817. ISSN 1464-6722

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Abstract

The accumulation of heat shock protein 70 (Hsp70) generally occurs in plants infected with viruses. However, the effect of Hsp70 accumulation on plant viral infection and pathogenesis remains elusive. In this study, the expression of six Hsp70 genes was found to be induced by the four diverse RNA viruses, Tobacco mosaic virus, Potato virus X (PVX), Cucumber mosaic virus and Watermelon mosaic virus, in Nicotiana benthamiana. Heat treatment enhanced the accumulation and systemic infection of these viruses. Similar results were obtained for viral infection in plants heterologously expressing an Arabidopsis cytoplasmic Hsp70 through either a PVX vector or Agrobacterium infiltration. In contrast, viral infection was compromised in cytoplasmic NbHsp70c-1 gene-silenced plants. These data demonstrate that the cytoplasmic Hsp70s can enhance the infection of N. benthamiana by diverse viruses.

Item Type:	Journal Article
Subjects:	Q Science > QK Botany Q Science > QP Physiology S Agriculture > SB Plant culture
Divisions:	Faculty of Science > Life Sciences (2010- ) > Warwick HRI (2004-2010)
Library of Congress Subject Headings (LCSH):	Nicotiana benthamiana -- Virus diseases, Heat shock proteins
Journal or Publication Title:	Molecular Plant Pathology
Publisher:	Wiley-Blackwell Publishing Ltd.
ISSN:	1464-6722
Date:	November 2008
Volume:	Volume 9
Number:	Number 6
Number of Pages:	9
Page Range:	pp. 809-817
Identification Number:	10.1111/j.1364-3703.2008.00505.x
Status:	Not Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), National Basic Research Program of China
Grant number:	2006CB101903 (NBRPC), 30340074 (NSFC)
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URI:	http://wrap.warwick.ac.uk/id/eprint/29174

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