Slow and Prolonged Activation of the p47 Protein Kinase during Hypersensitive Cell Death in a Culture of Tobacco Cells

DOI PDF 被引用文献12件
  • Kaoru Suzuki
    Plant Molecular Biology Laboratory, National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Ministry of International Trade and Industry, 1–1 Higashi, Tsukuba, Ibaraki 305–8566, Japan
  • Akira Yano
  • Hideaki Shinshi
    Plant Molecular Biology Laboratory, National Institute of Bioscience and Human Technology, Agency of Industrial Science and Technology, Ministry of International Trade and Industry, 1–1 Higashi, Tsukuba, Ibaraki 305–8566, Japan

書誌事項

公開日
1999-04-01
権利情報
  • https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model
DOI
  • 10.1104/pp.119.4.1465
公開者
Oxford University Press (OUP)

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説明

<jats:title>Abstract</jats:title> <jats:p>To investigate the involvement of protein kinases in the signaling cascade that leads to hypersensitive cell death, we used a previously established system in which a fungal elicitor, xylanase from Trichoderma viride (TvX), induces a hypersensitive reaction in tobacco (Nicotiana tabacum) cells in culture (line XD6S). The elicitor induced the slow and prolonged activation of a p47 protein kinase, which has the characteristics of a family member of the mitogen-activated protein kinases. An inhibitor of protein kinases, staurosporine, and a blocker of Ca channels, Gd3+ ions, both of which blocked the TvX-induced hypersensitive cell death, inhibited the TvX-induced activation of p47 protein kinase. Moreover, an inhibitor of serine/threonine protein phosphatase alone induced both rapid cell death and the persistent activation of the p47 protein kinase. Thus, the p47 protein kinase might be a component of the signal transduction pathway that leads to hypersensitive cell death, and the regulation of the duration of activation of the p47 protein kinase might be important in determining the destiny of tobacco cells.</jats:p>

収録刊行物

  • Plant Physiology

    Plant Physiology 119 (4), 1465-1472, 1999-04-01

    Oxford University Press (OUP)

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