Journal
FEBS LETTERS
Volume 583, Issue 13, Pages 2315-2320Publisher
WILEY
DOI: 10.1016/j.febslet.2009.06.028
Keywords
Salicylic acid; Hot pepper UDP-glucosyltransferase; Tobacco mosaic virus
Funding
- Korea Science and Engineering Foundation to the Plant Signaling Network Research Center [R11-2003-008-02001-0]
- Korea University
- National Research Foundation of Korea [R11-2003-008-02001-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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