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Significance of detection of antibiotic and disinfectant-resistant Pseudomonas aeruginosa from laboratory animals, environment and human beings

Research Project

Project/Area Number 09680832
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Laboratory animal science
Research InstitutionKumamoto University

Principal Investigator

URANO Toru  Kumamoto University, Center for Animal Resources and Development, Professor, 動物資源開発研究センター, 教授 (90101899)

Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥3,200,000 (Direct Cost: ¥3,200,000)
Fiscal Year 1999: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1998: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1997: ¥1,500,000 (Direct Cost: ¥1,500,000)
KeywordsPseudomonas aeruginosa / drug-resistant / antibiotic / disinfectant / laboratory animal / environment / human beings / 緑膿菌 / プラスミド
Research Abstract

Antibiotic and disinfectant are frequently used for prevention and elimination of Pseudomonas (P.) aeruginosa contamination in laboratory animals. Experimental animal facilities are usually located near hospital and researchers in a hospital performing animal experiments have frequent contact with both laboratory animals and patients. We therefore surveyed P.aeroginosa contamination in laboratory animals, animal caretakers, and the internal environment of our experimental animal facility. We also examined serotyping isolated P.aeruginosa and the drug resistant organisms. 1. Isolation of organisms: P.aeruginosa was detected from 142 mouse feces specimens, 42 environment of laboratory animals specimens, 9 animal caretakers specimens. Most of the serotype of P.aeruginosa isolated from these specimens was type I and G. 2. Drug resistance: Resistance of P.aeruginosa to antibiotics was tested for piperacillin (PIPC), gentamycin (GM), cefoperazone (CPX), imipenem (IMP), chloramphenicol (CP), cefoxitin (CFX), tetracycline (TC). Drug resistant organisms to most PIPC, GM, CPZ and IMP were not collected except one strain of IMP resistant organism in mouse feces. P.aeruginosa acquired the natural resistance to CP, CFX and TC. 3. Disinfectant: Resistance of P.aeruginosa to disinfectant was tested for benzethonium chloride (BC), chlorhexidine gluconate (CG) and alkyl diamino-ethylglycin (ADE). Most P.aeruginosa were the natural resistance to BC, but all the organisms were not resistant to CG and ADE.
Present examination suggested that the contamination of P.aeruginosa was spreaded from laboratory animals to human beings or the environment, and that antibiotic and disinfectant-resistant organisms were not appeared in laboratory animals.

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (7 results)

All Other

All Publications (7 results)

  • [Publications] 浦野 徹: "実験動物の細菌性感染症の研究"熊本医学会雑誌. 73. 1-8 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 前島一淑: "実験動物感染病の対応マニュアル"株式会社アドスリー. 300 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Toru Urano: "Bacterial Infectious Disease in Laboratory Animals"J. Kumamoto Medical Society. 73. 1-8 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Kazuyoshi Maejima: "Manual of Laboratory Animal Infectious Disease"Adthree Corporeation. 300 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 前島一淑: "実験動物海外感染病対応マニュアル"株式会社アドスリー. 272 (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 前島一淑: "実験動物海外感染病対応マニュアル" 株式会社アドスリー(発行予定), 272 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 野口和浩: "動物実験施設内でのゴキブリの発生状況" 実験動物技術. 32・2. 147-154 (1997)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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