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Pathogen-inducible CaUGT1 is involved in resistance response against TMV infection by controlling salicylic acid accumulation
- Authors
- Lee, Boo-Ja; Kim, Sung-Kyu; Choi, Soo Bok; Bae, Jungdon; Kim, Ki-Jeong; Kim, Young-Jin; Paek, Kyung-Hee
- Issue Date
- 7-7월-2009
- Publisher
- WILEY
- Keywords
- Salicylic acid; Hot pepper UDP-glucosyltransferase; Tobacco mosaic virus
- Citation
- FEBS LETTERS, v.583, no.13, pp.2315 - 2320
- Indexed
- SCIE
SCOPUS
- Journal Title
- FEBS LETTERS
- Volume
- 583
- Number
- 13
- Start Page
- 2315
- End Page
- 2320
- ISSN
- 0014-5793
- Abstract
- Capsicum annuum L. Bugang exhibits a hypersensitive response against Tobacco mosaic virus (TMV) P-0 infection. The C. annuum UDP-glucosyltransferase 1 (CaUGT1) gene was upregulated during resistance response to TMV and by salicylic acid, ethephon, methyl viologen, and sodium nitroprusside treatment. When the gene was downregulated by virus-induced gene silencing, a delayed HR was observed. In addition, free and total SA concentrations in the CaUGT1-downregulated hot pepper were decreased by 52% and 48% compared to that of the control plants, respectively. This suggested that the CaUGT1 gene was involved in resistance response against TMV infection by controlling the accumulation of SA. (C) 2009 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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