Abscisic Acid Inhibits Type 2C Protein Phosphatases via the PYR/PYL Family of START Proteins

  • Sang-Youl Park
    Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA.
  • Pauline Fung
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Noriyuki Nishimura
    Division of Biological Sciences, Cell and Developmental Biology Section, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
  • Davin R. Jensen
    Department of Biochemistry, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA.
  • Hiroaki Fujii
    Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA.
  • Yang Zhao
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Shelley Lumba
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Julia Santiago
    Instituto de Biología Molecular y Celular de Plantas, Universidad Politécnica de Valencia, Avenida de los Naranjos, Edificio CPI, 8E, ES-46022 Valencia, Spain.
  • Americo Rodrigues
    Instituto de Biología Molecular y Celular de Plantas, Universidad Politécnica de Valencia, Avenida de los Naranjos, Edificio CPI, 8E, ES-46022 Valencia, Spain.
  • Tsz-fung F. Chow
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Simon E. Alfred
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Dario Bonetta
    Faculty of Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, ON, L1H 7K4, Canada.
  • Ruth Finkelstein
    Department of Molecular, Cellular, and Developmental Biology, University of California at Santa Barbara, Santa Barbara, CA 93106, USA.
  • Nicholas J. Provart
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Darrell Desveaux
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Pedro L. Rodriguez
    Instituto de Biología Molecular y Celular de Plantas, Universidad Politécnica de Valencia, Avenida de los Naranjos, Edificio CPI, 8E, ES-46022 Valencia, Spain.
  • Peter McCourt
    Department of Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada.
  • Jian-Kang Zhu
    Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA.
  • Julian I. Schroeder
    Division of Biological Sciences, Cell and Developmental Biology Section, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
  • Brian F. Volkman
    Department of Biochemistry, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA.
  • Sean R. Cutler
    Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA.

書誌事項

公開日
2009-05-22
DOI
  • 10.1126/science.1173041
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:title>ABA Receptor Rumbled?</jats:title> <jats:p> The plant hormone abscisic acid (ABA) is critical for normal development and for mediating plant responses to stressful environmental conditions. Now, two papers present analyses of candidate ABA receptors (see the news story by <jats:bold> <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" page="1012" related-article-type="in-this-issue" vol="324" xlink:href="10.1126/science.2009.324.5930.324_1012">Pennisi</jats:related-article> </jats:bold> ). <jats:bold> Ma <jats:italic>et al.</jats:italic> </jats:bold> (p. 1064; published online 30 April) and <jats:bold> Park <jats:italic>et al.</jats:italic> </jats:bold> (p. 1068, published online 30 April) used independent strategies to search for proteins that physically interact with ABI family phosphatase components of the ABA response signaling pathway. Both groups identified different members of the same family of proteins, which appear to interact with ABI proteins to form a heterocomplex that can act as the ABA receptor. The variety of both families suggests that the ABA receptor may not be one entity, but rather a class of closely related complexes, which may explain previous difficulties in establishing its identity. </jats:p>

収録刊行物

  • Science

    Science 324 (5930), 1068-1071, 2009-05-22

    American Association for the Advancement of Science (AAAS)

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