Biochemical Responses of Rice Cells to Mastoparan 7, an Activator of Heterotrimeric G Proteins

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概要

• 論文の詳細を見る

• In order to estimate whether mastoparan 7 specifically activates plant heterotrimeric G proteins, comparisons were made between the responses of a rice normal cultivar and a rice dwarf mutant, Daikoku d1, which has a mutation in the gene of the α subunit of a heterotrimeric G protein, to mastoparan 7. First, we found that mastoparan 7 induced the activity of the α-amylase via the heterotrimeric G protein in rice embryo-less half seeds. This observation indicated that mastoparan 7 activated the G proteins in plant cells, as does it in mammalian cells. Second, mastoparan 7 seemed to cause damages in rice cells in a G protein-independent manner under some experimental conditions. We propose that mastoparan 7 should carefully be used for study on the plant G protein-mediated signaling pathways.

• 日本植物細胞分子生物学会の論文
• 2001-12-01

著者

• Kitano H

  Nagoya Univ. Nagoya Jpn

• Kitano Hidemi

  Grad. Sch. Bioagr. Sci. Nagoya Univ.

• FUJISAWA Yukiko

  Department of Bioscience, Fukui Prefectural University

• KATO Hisaharu

  Department of Bioscience, Fukui Prefectural University

• IWASAKI Yukimoto

  Department of Bioscience, Fukui Prefectural University

• Fujisawa Y

  Department Of Bioscience Fukui Prefectural University

• Fujisawa Yukiko

  Department Of Bioscience Fukui Prefectural University

• Kato Hisaharu

  Department Of Bioscience Fukui Prefectural University

• ASAHI Tadashi

  Department of Bioscience, Fukui Prefectural University

• Asahi Tadashi

  Department Of Bioscience Fukui Prefectural University

• Asahi Tadashi

  Department Of Bioscience Faculty Of Biotechnology Fukui Prefectural University

• SAWAKI Satoshi

  Department of Bioscience, Fukui Prefectural University

• Iwasaki Yukimoto

  Department Of Bioscience Fukui Prefectural University

• Iwasaki Yukimoto

  Department Of Bioscience Faculty Of Biotechnology Fukui Prefectural University

• Sawaki Satoshi

  Department Of Bioscience Fukui Prefectural University

• Kitano Hidemi

  Bioscience And Biotechnology Center Nagoya Univ.

• Kitano Hidemi

  Nagoya University School Of Agricultural Science

• Iwasaki Y

  Department Of Bioscience Fukui Prefectural University

• Kitano Hidemi

  Department Of Bioscience Fukui Prefectural University

• Kato Hisaharu

  Department Of Biological Sciences Tokyo Metropolitan University

• Iwasaki Yukimoto

  Faculty Of Biotechnology Fukui Prefectural University

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