Journal
PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY
Volume 71, Issue 4-6, Pages 174-183Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pmpp.2008.01.003
Keywords
Brassica napus; Canola; NPR1; TGA factor; NIMIN; Salicylic acid; SAR; PR gene; Pseudomonas syringae
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Funding
- National Research Council Plant Biotechnology Institute
- National Research Council Genomics and Health Initiative
- National Science and Engineering Research Council (NSERC)
- University of Saskatchewan New Faculty Dean Scholarship
- Graduate Teaching Fellowship
- AAFC Canadian Crop Genomics Initiative
- National Research Council Canada [48444]
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An Expressed Sequence Tag encoding a protein highly related to Arabidopsis NPR1 was isolated from canola quality Brassica napus. The protein, BnNPR1, interacts with the same spectrum of TGA transcription factors and NIMIN proteins as AtNPR1 in the yeast two-hybrid system. When expressed in Arabidopsis npr1 mutants, BnNPR1 restored salicylic acid-dependent expression of the marker gene PR-1 and enhanced basal defense as well as systemic acquired resistance against a virulent strain of the bacterial pathogen Pseudomonas syringae. Expression of Arabidopsis NPR1 or over expression of BnNPR1 in transgenic B. napus also effectively enhanced basal resistance against P. syringae. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
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