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Establishing of Chlamydia phage mediated novel gene transfer system for Chlamydia pneumoniae.

Research Project

Project/Area Number 26670214
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Bacteriology (including mycology)
Research InstitutionUniversity of the Ryukyus

Principal Investigator

Hirai Itaru  琉球大学, 医学部, 教授 (00359994)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords肺炎クラミジア / 組み換えファージシステム / 遺伝子導入
Outline of Final Research Achievements

In this study, we tried to establish novel gene transfer system using a chlamydia phage phiCPAR39, which can infect Chlamydia pneumoniae. Chromosome of the chlamydia phage phiCPAR39, was cloned and utilized to construct a shuttle vector which can be replicated in both Chlamydia pneumoniae and Escherichia coli. To establish E. coli strain which produce recombinant chlamydia phage, expression of essential chlamydia phage proteins in E. coli cells were indispensable. However, expression of some of the chlamydia phage proteins were not confirmed. Consequently, E. coli strain, which would be utilized for production of the recombinant chlamydia phage, was not established.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (3 results)

All 2016 2015

All Journal Article (3 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results)

  • [Journal Article] High Prevalence of Chromosomal blaCTX-M-14 in Escherichia coli Isolates Possessing blaCTX-M-14.2016

    • Author(s)
      Hamamoto K, Ueda S, Toyosato T, Yamamoto Y, Hirai I
    • Journal Title

      Antimicrob Agents Chemother

      Volume: 60 Issue: 4 Pages: 2582-4

    • DOI

      10.1128/aac.00108-16

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Current status of extended spectrum β-lactamase-producing Escherichia coli, Klebsiella pneumoniae and Proteus mirabilis in Okinawa prefecture, Japan.2016

    • Author(s)
      Nakama R, Shingaki A, Miyazato H, Higa R, Nagamoto C, Hamamoto K, Ueda S, Hachiman T, Touma Y, Miyagi K, Kawahara R, Toyosato T, Hirai I
    • Journal Title

      J Infect Chemother.

      Volume: S1341-321X Issue: 5 Pages: 00029-5

    • DOI

      10.1016/j.jiac.2016.01.008

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Carriage of Escherichia coli Producing CTX-M-Type Extended-Spectrum β-Lactamase in Healthy Vietnamese Individuals.2015

    • Author(s)
      Bui TM, Hirai I, Ueda S, Bui TK, Hamamoto K, Toyosato T, Le DT, Yamamoto Y
    • Journal Title

      Antimicrob Agents Chemother.

      Volume: 59 Issue: 10 Pages: 6611-4

    • DOI

      10.1128/aac.00776-15

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research

URL: 

Published: 2014-04-04   Modified: 2017-05-10  

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