Pathogen-inducible CaUGT1 is involved in resistance response against TMV infection by controlling salicylic acid accumulation

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Title
Pathogen-inducible CaUGT1 is involved in resistance response against TMV infection by controlling salicylic acid accumulation
Author(s)
B J Lee; S K Kim; S B Choi; Jung Don Bae; K J Kim; Y J Kim; K H Paek
Bibliographic Citation
FEBS Letters, vol. 583, no. 13, pp. 2315-2320
Publication Year
2009
Abstract
Capsicum annuum L. Bugang exhibits a hypersensitive response against Tobacco mosaic virus (TMV) P0 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.
Keyword
salicylic acidhot pepper UDP-glucosyltransferasetobacco mosaic virus
ISSN
0014-5793
Publisher
Wiley
DOI
http://dx.doi.org/10.1016/j.febslet.2009.06.028
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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