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https://hdl.handle.net/2440/242
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Type: | Journal article |
Title: | Characterization of the Arabidopsis lysine-rich arabinogalactan-protein AtAGP17 mutant (rat1) that results in a decreased efficiency of agrobacterium transformation |
Author: | Gaspar, Y. Nam, J. Schultz, C. Lee, L. Gilson, P. Gelvin, S. Bacic, A. |
Citation: | Plant Physiology, 2004; 135(4):2162-2171 |
Publisher: | Amer Soc Plant Physiologists |
Issue Date: | 2004 |
ISSN: | 0032-0889 1532-2548 |
Statement of Responsibility: | Yolanda Maria Gaspar, Jaesung Nam, Carolyn Jane Schultz, Lan-Ying Lee, Paul R. Gilson, Stanton B. Gelvin and Antony Bacic |
Abstract: | Arabinogalactan-proteins (AGPs) are a family of complex proteoglycans widely distributed in plants. The Arabidopsis rat1 mutant, previously characterized as resistant to Agrobacterium tumefaciens root transformation, is due to a mutation in the gene for the Lys-rich AGP, AtAGP17. We show that the phenotype of rat1 correlates with down-regulation of AGP17 in the root as a result of a T-DNA insertion into the promoter of AGP17. Complementation of rat1 plants by a floral dip method with either the wild-type AGP17 gene or cDNA can restore the plant to a wild-type phenotype in several independent transformants. Based on changes in PR1 gene expression and a decrease in free salicylic acid levels upon Agrobacterium infection, we suggest mechanisms by which AGP17 allows Agrobacterium rapidly to reduce the systemic acquired resistance response during the infection process. |
Description: | © 2004 American Society of Plant Biologists |
DOI: | 10.1104/pp.104.045542 |
Published version: | http://www.plantphysiol.org/cgi/content/abstract/135/4/2162 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 2 |
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