Journal Article

Involvement of Proteasome-Ubiquitin System in Wound-Signaling in Tobacco Plants

Naoko Ito, Shigemi Seo, Norihiro Ohtsubo, Hiroki Nakagawa and Yuko Ohashi

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 40, issue 3, pages 355-360
Published in print January 1999 | ISSN: 0032-0781
Published online January 1999 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029550
Involvement of Proteasome-Ubiquitin System in Wound-Signaling in Tobacco Plants

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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Treatment of wounded tobacco leaves with a proteasome-specific inhibitor lactacystin resulted in; (1) enhanced expression of proteasome subunit genes, (2) suppressed expression of proteasome activity, (3) induced accumulation of Ub-conjugated proteins, and (4) suppressed expression of wound-inducible genes, indicating that the Ub-proteasome system is involved in wound-signaling in plants.

Keywords: Basic PR genes; Lactacystin; Proteasome; Tobacco (Nicotiana tabacum); Ubiquitin; Wound-signaling

Journal Article.  0 words. 

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

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