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2010 Fiscal Year Final Research Report

Analysis of multidrug resistance systems in multidrug resistant bacteria and development of drugs effective on the resistant bacteria

Research Project

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Project/Area Number 20590120
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental pharmacy
Research InstitutionOkayama University

Principal Investigator

TSUCHIYA Tomofusa  Okayama University, 大学院・医歯薬学総合研究科, 教授 (80012673)

Project Period (FY) 2008 – 2010
Keywords多剤耐性菌 / 耐性系 / 多剤排出ポンプ / 医薬品開発 / 抗菌薬 / バイオフィルム形成阻害
Research Abstract

The worst 1 of cause of human death is infectious disease by pathogenic microorganisms. In developed countries, such as our country and countries in Europe and North America, infectious diseases by multidrug-resistant bacteria are serious problems. Many drugs used at clinical sites are not effective on the multidrug resistant bacteria. Aims of this research are to analyze multidrug resistant systems in multidrug resistant bacteria and to develop drugs effective on such resistant bacteria. In fact, we analyzed multidrug resistant systems in several multidrug resistant bacteria, and found several seed compounds effective on such multidrug resistant bacteria.

  • Research Products

    (14 results)

All 2011 2010 2009 2008

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (4 results) Patent(Industrial Property Rights) (2 results) (of which Overseas: 1 results)

  • [Journal Article] Design, synthesis, and biological evaluation of a novel series of quercetin diacylglucosides as potent anti-MRSA and anti-VRE agents.2010

    • Author(s)
      Hossion, A.M., N.Otsuka, R.K.Kandahary, T.Tsuchiya, W.Ogawa, A.Iwado, Y.Zamami, K.Sasaki.
    • Journal Title

      Bioorg.Med.Chem.Lett. 20

      Pages: 5349-5352

    • Peer Reviewed
  • [Journal Article] Synergistic effect of kaempferol glycosides purified from Laurus nobilis and fluoroquinolones on methicillin-resistant Staphylococcus aureus.2009

    • Author(s)
      Liu, M.H., N.Otsuka, K.Noyori, S.Shiota, W.Ogawa, T.Kuroda, T.Hatano, T.Tsuchiya.
    • Journal Title

      Biol.Pharm.Bull. 32

      Pages: 489-492

    • Peer Reviewed
  • [Journal Article] Gene cloning and characterization of EfmA, a multidrug efflux pump, from Enterococcus faecium.2009

    • Author(s)
      Nishioka, T., W.Ogawa, T.Kuroda, T.Katsu, T.Tsuchiya.
    • Journal Title

      Biol.Pharm.Bull. 32

      Pages: 483-488

    • Peer Reviewed
  • [Journal Article] Gene cloning and characteristics of the RND-type multidrug efflux pump MuxABC-OpmB possessing two RND components in Pseudomonas aeruginosa.2009

    • Author(s)
      Mima, T., N.Kohira, Y.Li, H.Sekiya, W.Ogawa, T.Kuroda, T.Tsuchiya.
    • Journal Title

      Microbiology 155

      Pages: 3509-3517

    • Peer Reviewed
  • [Journal Article] Effect of natural polyphenols on methicillin-resistant Staphylococcus aureus in relation to their chemical and physical properties.2009

    • Author(s)
      Hatano, T., M.Kusuda, M.Tsugawa, S.Taniguchi, T.Tsuchiya, T.Yoshida.
    • Journal Title

      Phytochem.Res.

      Pages: 31-47

    • Peer Reviewed
  • [Journal Article] Functional gene cloning and characterization of the SsmE multidrug efflux pump from Serratia marcescens.2008

    • Author(s)
      Minato, Y., F.Shahcheraghi, W.Ogawa, T.Kuroda, T.Tsuchiya.
    • Journal Title

      Biol.Pharm.Bull. 31

      Pages: 516-519

    • Peer Reviewed
  • [Journal Article] Enhancement of antibacterial effects of epigallocatechin gallate, using ascorbic acid.2008

    • Author(s)
      Hatano, T., M.Tsugawa, M.Kusuda, S.Taniguchi, T.Yoshida, S.Shiota, T.Tsuchiya.
    • Journal Title

      Phytochemistry 69

      Pages: 3111-3116

    • Peer Reviewed
  • [Journal Article] Anti-methicillin resistant Staphylococcus aureus (MRSA) compounds isolated from Laurus nobilis.2008

    • Author(s)
      Otsuka, N., M.H.Liu, S.Shiota, W.Ogawa, T.Kuroda, T.Hatano, T.Tsuchiya.
    • Journal Title

      Biol.Pharm.Bull. 31

      Pages: 1794-1797

    • Peer Reviewed
  • [Presentation] 多剤耐性緑膿菌の分離及びその耐性系の解析2011

    • Author(s)
      保田菜美, 他
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡
    • Year and Date
      2011-03-30
  • [Presentation] Serattia marcescens消毒薬耐性変異株の分離と耐性系の解析2011

    • Author(s)
      芳賀仁美, 他
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡
    • Year and Date
      2011-03-30
  • [Presentation] Staphylococcus aureusの多剤排出ポンプ破壊株の作製と多剤肺s h通ポンプの網羅的解析2011

    • Author(s)
      森田大地, 他
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡
    • Year and Date
      2011-03-30
  • [Presentation] 黄色ブドウ球菌の付着因子およびバイオフィルム形成に対する各種テルペノイドの影響2009

    • Author(s)
      塩田澄子, 他
    • Place of Presentation
      東京
    • Year and Date
      2009-06-04
  • [Patent(Industrial Property Rights)] バイオフィルム形成阻害剤2010

    • Inventor(s)
      土屋友房、塩田澄子
    • Industrial Property Rights Holder
      土屋友房、塩田澄子
    • Industrial Property Number
      特許,PCT/JP2010/002477
    • Filing Date
      2010-05-04
    • Overseas
  • [Patent(Industrial Property Rights)] バイオフィルム形成阻害剤2009

    • Inventor(s)
      土屋友房、塩田澄子
    • Industrial Property Rights Holder
      土屋友房、塩田澄子
    • Industrial Property Number
      特許,特許第2009-097207号
    • Filing Date
      2009-04-13

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Published: 2012-01-26   Modified: 2016-04-21  

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