Involvement of GTP-binding Protein Immunologically Resembled Gαs and Gαolf in Phytoalexin Production of Cultured Carrot

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概要

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• A 38 kDa peptide in microsomal fraction prepared from oligogalacturonide elicitor-treated carrot cell culture showed an affinity to GTP after the separation by SDS-PAGE. Antibodies raised against the related alpha subunits of heterotrimer GTP-binding protein, anti-Gαs and anti-Gαolf, were found to crossreact with this peptide. In contrast, anti-G-proteins against other classes of α subunits of the trimeric complexes and low molecular weight monomers did not show the affinity to the peptide. These results suggest that a heterotrimer GTP-binding protein complex of which α subunit immunologically resembles Gαs and Gαolf may be involved in the early stage of oligouronide elicitor-induced phytoalexin biosynthesis in cultured carrot cells.

• 日本植物細胞分子生物学会の論文
• 2002-12-01

著者

• Yamashita Aoi

  Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University

• Arisawa Munehisa

  Faculty of Pharmaceutical Sciences Toyama Medical and Pharmaceutical University

• KUROSAKI Fumiya

  Faculty of Pharmaceutical Sciences, University of Toyama

• Kurosaki Fumiya

  Faculty Of Pharmaceutical Sciences Toyama Medical And Pharmaceutical University

• ARISAWA MUNEHISA

  Faculty of Pharmaceutical Sciences, Toyama Medical and Pharmaceutical University

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