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Cyanide metabolism in ethylene biosynthesis in horticultural crops

Research Project

Project/Area Number 60480041
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 園芸・造園学
Research InstitutionEhime University

Principal Investigator

MIZUTANI Fusao  Ehime University, Associate Professor, 農学部, 助教授 (20026595)

Project Period (FY) 1985 – 1986
Project Status Completed (Fiscal Year 1986)
Budget Amount *help
¥6,200,000 (Direct Cost: ¥6,200,000)
Fiscal Year 1986: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1985: ¥5,700,000 (Direct Cost: ¥5,700,000)
KeywordsEthylene biosynthesis / Cyanide metabolism / ACC / Climacteric / Fruit ripening / β-シアノアラニン合成酵素
Research Abstract

Cyanide metabolism involved in ethylene biosynthesis was investigated with horticultural crops, especially with ripening fruits. Climacteric fruits, which show the typical climacteric increases in respiration and ethylene production, increased <beta> -cyanoalanine synthase activities during their ripening processes. On the other hand, non-climacteric fruits, which show neither increases in respiration nor in ethylene production, did not increase <beta> -cyanoalanine synthase activities during ripening processes. However, even the non-climacteric fruits showed a slight increase in ethylene production during their senescence processes; simultaneous increases in <beta> -cyanoalanine synthase activities were also observed although the levels were not comparable to those of climacteric fruits. Concomitant increases in the cyanide content and <beta> -cyanoalanine synthase activity were found in the ethylene biosynthesis induced by wounding apple flesh tissues. The development of cyanide-resistant respiration during the ripening processes of climacteric fruits may be associated with the increase in <beta> -cyanoalanine synthase activity.
In conclusion, cyanide metabolism is closely linked with ethylene biosynthesis and thus ethylene biosynthesis is thought to be a part of amino acid metabolism in terms of nitrogen metabolism.

Report

(1 results)
  • 1986 Final Research Report Summary
  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] Fusao Mizuatni: 園芸学会雑誌. 55. 273-278 (1980)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Fusao Mizutani: 愛媛大学農学部紀要. 31. 247-256 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Fusao Mizutani: 園芸学会雑誌. 56. (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Fusao Mizutani: "Cyanide metabolism involved in ethylene formation of ripening or wounded fruit tissues" Journal of the Japanese Society for Horticultural Science. 55. 273-278 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Fusao Mizutani: "Cyanide metabolism involved in ethylene biosynthesis in ripening peach. Japanese apricot. and loquat fruit" Memoir of the College of Agriculture, Ehime University. 31. 247-256 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary
  • [Publications] Fusao Mizutani: "Cyanide metabolism linked with ethylene biosynthesis in ripening apple fruit" Journal of the Japanese Society for Horticultural Science. 56. in press (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1986 Final Research Report Summary

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Published: 1987-03-31   Modified: 2016-04-21  

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