Journal Article

Ornithine Decarboxylase Gene (<i>CaODC1</i>) is Specifically Induced during TMV-mediated but Salicylate-independent Resistant Response in Hot Pepper

Tae Hyoung Yoo, Chang-Jin Park, Byung-Kook Ham, Ki-Jeong Kim and Kyung-Hee Paek

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 45, issue 10, pages 1537-1542
Published in print October 2004 | ISSN: 0032-0781
Published online October 2004 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pch176
Ornithine Decarboxylase Gene (CaODC1) is Specifically Induced during TMV-mediated but Salicylate-independent Resistant Response in Hot Pepper

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  • Biochemistry
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A gene encoding putative ornithine decarboxylase (ODC) has been isolated by differential screening of a cDNA library from the resistant hot pepper (Capsicum annuum L.) inoculated with avirulent tobacco mosaic virus (TMV) pathotype P0. In hot pepper plants, transcripts of the CaODC1 (C. annuum ODC1) gene started to accumulate at 24 h post-inoculation of TMV-P0 and the signal was spread systemically. The transcript level of CaODC1 was increased rapidly in a hot pepper resistant to Xanthomonas campestris pv. vesicatoria (Xcv) but not in a susceptible hot pepper after inoculation. These results suggest possible role(s) for CaODC1 in plant defense against a broad range of pathogens including viruses and bacteria.

Keywords: Keywords: Differential screening — Hot pepper (Capsicum annuum L.) — Hypersensitive response — Ornithine decarboxylase cDNA clone — Subcelluar localization — Tobacco mosaic virus.; Abbreviations: ODC, ornithine decarboxylase 1; GFP, green fluorescent protein; HR, hypersensitive response; JA, jasmonic acid; MeJA, methyl jasmonic acid; MV, methyl viologen; TMV, tobacco mosaic virus.

Journal Article.  3635 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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