Induction of a cytosolic pyruvate kinase 1 gene during the resistance response to Tobacco mosaic virus in Capsicum annuum |
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| Authors: | Ki-Jeong Kim Chang-Jin Park Byung-Kook Ham Soo Bok Choi Boo-Ja Lee Kyung-Hee Paek |
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| Institution: | (1) School of Life Sciences and Biotechnology, Korea University, 1, 5-ga, Anam-dong, Sungbuk-gu, Seoul, 136-701, Republic of Korea;(2) Department of Plant Pathology, University of California, Davis, CA 95616, USA;(3) Section of Plant Biology, Division of Biological Sciences, University of California, Davis, California 95616, USA |
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| Abstract: | Hot pepper (Capsicum annuum L. cv. Bugang) plants exhibit a hypersensitive response (HR) upon infection by Tobacco mosaic virus (TMV) pathotype P0. Previously, to elucidate molecular mechanism that underlies this resistance, hot pepper cv. Bugang leaves were inoculated
with TMV-P0 and genes specifically up-regulated during the HR were isolated by microarray analysis. One of the clones, Capsicum annuum cytosolic pyruvate kinase 1 (CaPK
c
1) gene was increased specifically in the incompatible interaction with TMV-P0. The expression of CaPK
c
1 gene was also triggered not only by various hormones such as salicylic acid (SA), ethylene, and methyl jasmonate (MeJA),
but also NaCl and wounding. These results suggest that CaPK
c
1 responds to several defense-related abiotic stresses in addition to TMV infection.
The nucleotide sequence data reported in this paper were submitted to the EMBL, GenBank and DDBJ Nucleotide Sequence Databases
under the accession number DQ114474. |
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| Keywords: | CaPK c 1 Hot pepper (Capsicum annuum L ) Hypersensitive response Tobacco mosaic virus |
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