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Plant and Cell Physiology 2004 45(9):1320-1324; doi:10.1093/pcp/pch137
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© 2004 Oxford University Press

Short Communication

Constitutive Expression of a PR10 Protein Enhances the Germination of Brassica napus under Saline Conditions

Sanjeeva Srivastava1, Brian Fristensky2 and Nat N. V. Kav1,3

1 Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
2 Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada

Abstract

Pathogenesis-related (PR) proteins are expressed by virtually all plants in response to pathogen infection and, in many cases, in response to abiotic stresses as well and include the PR10 family. However, the precise roles of the PR10 protein family in abiotic stress responses are not clear. In this paper we report, for the first time, that the constitutive expression of a pea PR10 gene in Brassica napus enhances their germination and growth in the presence of NaCl. Our findings are discussed within the context of PR10 protein function and their utility in engineering stress tolerant crops.

Footnotes

3 Corresponding author: E-mail, nat{at}ualberta.ca; Fax, +1-780-492-4265.


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