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Transient Accumulation of Jasmonic Acid During the Synchronized Hypersensitive Cell Death in Tobacco mosaic virus-Infected Tobacco Leaves

February 2001 , Volume 14 , Number  2
Pages  261 - 264

Shigemi Seo , 1 , 4 Hideharu Seto , 2 Hiromoto Yamakawa , 3 , 4 and Yuko Ohashi 1 , 4

1Department of Molecular Genetics, National Institute of Agrobiological Resources, Tsukuba, Ibaraki 305-8602, Japan; 2Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198, Japan; 3Institute of Biological Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan; 4Core Research for Evolutional Science and Technology (CREST), Chiyoda-ku, Tokyo 101-0062, Japan

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Accepted 24 October 2000.

Jasmonic acid (JA) transiently accumulated during temperature-dependent synchronous necrotic lesion formation in Tobacco mosaic virus-infected tobacco leaves. The accumulation of JA was preceded by activation of a tobacco mitogen-activated protein kinase, WIPK, which functions upstream of JA in wound signal transduction pathways.

© 2001 The American Phytopathological Society