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Studies on relationship between structure and antifungal activity of plant chitinases with aid of diversity of genes from subtropical plants.

Research Project

Project/Area Number 21710234
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Living organism molecular science
Research InstitutionUniversity of the Ryukyus

Principal Investigator

TAIRA Toki  University of the Ryukyus, 農学部, 准教授 (60315463)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords構造活性相関 / タンパク質工学 / キチナーゼ / 抗真菌活性 / 植物 / 酵素
Research Abstract

In this study, we examined relationship between structures of plant chitinases and their antifungal activities with aid of diversity of genes from subtropical plants. To clear relationship between charge and antifungal activity of chitinases, mutational analyses were done. Mutants having higher positive charge exhibited higher antifungal activity. These findings would contribute to development of safe and effective antifungal agents for agriculture and medicine.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (21 results)

All 2011 2010 2009 Other

All Journal Article (8 results) (of which Peer Reviewed: 4 results) Presentation (12 results) Remarks (1 results)

  • [Journal Article] Chitin-related enzymes in agro-biosciences.2011

    • Author(s)
      Arakane Y., Taira T., Ohnuma T., Fukamizo T.
    • Journal Title

      Curr Drug Targets in press

    • Related Report
      2010 Final Research Report
  • [Journal Article] Cloning and characterization of a small family 19 chitinase from moss(Bryum coronatum).2011

    • Author(s)
      Taira T, Mahoe Y, Kawamoto N, Onaga S, Iwasaki H, Ohnuma T, Fukamizo T.
    • Journal Title

      Glycobiology. 21

      Pages: 644-654

    • Related Report
      2010 Final Research Report
  • [Journal Article] Cloning and characterization of a small family 19 chitinase from moss (Bryum coronatum)2011

    • Author(s)
      Toki Taira
    • Journal Title

      Glycobiology

      Volume: 21 Pages: 644-654

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Structures and antifungal activity of plant chitinases.2010

    • Author(s)
      Taira T
    • Journal Title

      J.Appl.Glycosci. 57

      Pages: 167-176

    • NAID

      10026552018

    • Related Report
      2010 Final Research Report
  • [Journal Article] Structures and Antifungal Activity of Plant Chitinases2010

    • Author(s)
      Toki Taira
    • Journal Title

      Journal of applied glycoscience

      Volume: 57 Pages: 167-176

    • NAID

      10026552018

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Transglycosylation reaction catalyzed by a class V chitinase fromcycad. Cycas revoluta.2010

    • Author(s)
      Toki Taira
    • Journal Title

      Biochim.Biophys.Acta. 1804

      Pages: 668-675

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A plant class V chitinase from a cycad(Cycas revoluta) : biochemical characterization, cDNA isolation, and posttranslational modification.2009

    • Author(s)
      Taira T, Hayashi H, Tajiri Y, Onaga S, Uechi G, Iwasaki H, Ohnuma T, Fukamizo T.
    • Journal Title

      Glycobiology 19

      Pages: 1452-1461

    • Related Report
      2010 Final Research Report
  • [Journal Article] A plant class V chitinase from a cycad (Cycas revoluta).2009

    • Author(s)
      Toki Taira
    • Journal Title

      Glycobiology 19

      Pages: 1452-1461

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] パイナップル緑葉由来キチナーゼ-Cのキチン結合活性および抗真菌活性に関わる構造2011

    • Author(s)
      平良東紀, 秋元理沙
    • Organizer
      日本農芸化学会2011年度大会
    • Place of Presentation
      京都
    • Year and Date
      2011-03-27
    • Related Report
      2010 Final Research Report
  • [Presentation] パイナップル緑葉由来キチナーゼ-Cのキチン結合活性および抗真菌活性に関わる構造2011

    • Author(s)
      平良東紀
    • Organizer
      日本農芸化学会2011年度大会
    • Place of Presentation
      京都府(京都女子大学)
    • Year and Date
      2011-03-27
    • Related Report
      2010 Annual Research Report
  • [Presentation] 植物由来新規キチナーゼおよび植物キチナーゼのクラス分類について2010

    • Author(s)
      平良東紀, 翁長彰子, 伊藤進
    • Organizer
      第24回キチン・キトサンシンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2010-07-14
    • Related Report
      2010 Final Research Report
  • [Presentation] 植物由来新規キチナーゼおよび植物キチナーゼのクラス分類について2010

    • Author(s)
      平良東紀
    • Organizer
      第24回キチン・キトサンシンポジウム
    • Place of Presentation
      東京都(東京大学 弥生講堂)
    • Year and Date
      2010-07-14
    • Related Report
      2010 Annual Research Report
  • [Presentation] 植物クラスVキチナーゼの構造と機能2010

    • Author(s)
      水原麻美子, 桐山真, 澤井章人, 大沼貴之, 平良東紀, 深溝慶
    • Organizer
      日本農芸化学会2010年度大会
    • Place of Presentation
      東京
    • Year and Date
      2010-03-29
    • Related Report
      2010 Final Research Report
  • [Presentation] 植物由来FamilyGH-19キチナーゼのキチンオリゴ分解様式2009

    • Author(s)
      福田達也, 大沼貴之, 平良東紀, 深溝慶
    • Organizer
      日本農芸化学会西日本支部・中四国支部・関西支部、日本栄養食糧学表会九州・沖縄支部、及び日本食品科学工学会西日本支部合同大会
    • Place of Presentation
      沖縄
    • Year and Date
      2009-10-31
    • Related Report
      2010 Final Research Report
  • [Presentation] 植物キチナーゼの構造と抗真菌活性との相関2009

    • Author(s)
      平良東紀
    • Organizer
      日本農芸化学会西日本支部・中四国支部・関西支部、日本栄養食糧学会九州・沖縄支部、及び日本食品科学工学会西日本支部合同大会シンポジウム
    • Place of Presentation
      沖縄
    • Year and Date
      2009-10-30
    • Related Report
      2010 Final Research Report
  • [Presentation] Antifungal activity of plant GH family 19 chitinases.2009

    • Author(s)
      Taira T, Akimoto R, Yamagami T.
    • Organizer
      The 11th International Conference on Chitin and Chitosan.
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2009-09-07
    • Related Report
      2010 Final Research Report
  • [Presentation] ミドリカタヒバ(Selaginella doederleinii)由来新規キチナーゼの性質および一次構造2009

    • Author(s)
      久場由真仁, 平良東紀, 伊藤進
    • Organizer
      第23回キチン・キトサン・シンポジウム
    • Place of Presentation
      佐賀
    • Year and Date
      2009-08-21
    • Related Report
      2010 Final Research Report
  • [Presentation] 植物由来クラスVキチナーゼの酵素学的性質2009

    • Author(s)
      大沼貴之, 水原麻美子, 平良東紀, Karen Skriver, 深溝慶
    • Organizer
      第23回キチン・キトサン・シンポジウム
    • Place of Presentation
      佐賀
    • Year and Date
      2009-08-21
    • Related Report
      2010 Final Research Report
  • [Presentation] Antifungal activity of plant GH family 19 chitinases.2009

    • Author(s)
      Toki Taira
    • Organizer
      The 11th International Conference on Chitin and Chitosan
    • Place of Presentation
      Taipei, Taiwan
    • Related Report
      2009 Annual Research Report
  • [Presentation] 植物キチナーゼの構造と抗真菌活性との相関2009

    • Author(s)
      平良東紀
    • Organizer
      日本農芸化学会西日本支部・中四国支部・関西支部合同大会シンポジウム
    • Place of Presentation
      ロワジールホテル那覇,沖縄
    • Related Report
      2009 Annual Research Report
  • [Remarks] ホームページ等

    • Related Report
      2010 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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