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Physicochemical Studies on multi-drug Efflux Transporters of Bacteria

Research Project

Project/Area Number 08457600
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Biological pharmacy
Research InstitutionHOKKAIDO UNIVERSITY

Principal Investigator

KAMO Naoki  Hokkaido Univ.Fac.of Pharm.Sci.Prof., 薬学部, 教授 (10001976)

Co-Investigator(Kenkyū-buntansha) SUMI Masato  Hokkaido Univ.Fac.of Pharm.Sci.Inst., 薬学部, 助手 (30281819)
NARA Toshifumi  Hokkaido Univ.Fac.of Pharm.Sci.Inst., 薬学部, 助手 (30241350)
MIYAUCHI Seiji  Hokkaido Univ.Fac.of Pharm.Sci.Lec., 薬学部, 講師 (30202352)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥7,400,000 (Direct Cost: ¥7,400,000)
Fiscal Year 1997: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 1996: ¥4,700,000 (Direct Cost: ¥4,700,000)
KeywordsHaloferax volcanii / ABC super family / Enteroccus hirae / Bacillus subtilis / doxorubicin / ethidium / glucose / hexokinase / Thermus thermophilus / MDR(multi-drug resistance) / ABC transporter / ATP binding casette(ABC) / PCR / Halobacterium volcaii / 多剤排出輸送体 / EmrE / Haloferax volcanii / 大腸菌 / metabolic stress / Enterococcus hirae / ロ-ダミン123
Research Abstract

(1) A mutant of Haloferax volcanii resistant for doxorubicin was isolated and its resistance was proved to be caused by an efflux pump driven by ATP-hydrolysis.
(2) Wild-type cells of H.volcanii expressed this efflux pump, and its activity increased when cells were cultured in the presence of excess qlucose and amino acids.
(3) Partial DNA sequence was determined which may code this efflux pump, and had high similarity with that of ABC transporters.
(4) A mutant of Enoterococcus hirae was isolated which showed high resistance against ethidium bromide. By shot-gun cloning using E.coli as a hast cell, a factor conferring the resistance was 165 rRNA.The fact that 165 rRNA is related to the resistance is a new finding.
(5) An efflux activity of Bacillus subtilis ISW1214 was decreased when cultured in the presence of glucose.When non-metacolic sugars were used instead of glucose, this phenomena were not found. Detailed analysis showed a good negative correlation between intracellular concentration of fructose 6-phosphate and the efflux activity.
(6) We cloned a gene coding a requlator protein that controls an expression of the efflux transporter in Bacillus subtilis ISW1214. It is quite interesting that a part of this gene has high similarity with a part of hexokinase, and enzyme of qlucose metabolism.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (24 results)

All Other

All Publications (24 results)

  • [Publications] M.Komatusbara: "Doxorubicin-efflux pump in Haloferax volcanii is energized by ATP" FEMS Microbiol.Lett.139. 83-88 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Kaidou: "Drug extrusion in Corynebacterium glutamicum" Microbial Drug Resistance. 3. 345-350 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Miyauchi: "Culture in the presence of sugars increases activity of multidrug efflux transporter on Haloferax volcanii" Microbial Drug Resistance. 3. 359-362 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Shimono: "Functional expression of pharaonis phoborhodopsin in Escherichia coli" FEBS Lett.420. 54-56 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Takeda: "Adenosine 5'-triphosphate binding to bovine serum albumin" Biophys.Chem. 69. 175-183 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Komatsubara et al.: "Doxorubicin-effux pump in Haloferax volcanii is enerhized by ATP" FEMS Microbiol. Lett. 139. 83-88 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Miyauchi et al.: "Culture in the presence of sugars increases activity of multidrug efflux transporter on Haloferax volcanii." Microbial Drug Resistance. 3. 359-362 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Kaidoh et al.: "Drug extrusion in Corne-bacterium glutamicum." Microbial Drug Resistance. 3. 345-350 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] S.Takeda et al.: "Adenosine 5'-triphosphate binding to bovine serum albumin" Biophys. Chem. 69. 175-183 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Shimono et al.: "Functional expression of pharaonis phoborhodopsin in Escherichia coli." FFEBS Lett. 420. 54-56 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K,Kaido, 他4名: "Drug extrusion in corynebacterium glutamicum." Microbial Drug Resistance. 3. 354-350 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] S.Miyauchi, 他4名: "Culture in the presence of sugars,increases activity of multidrug efflux transporter on Haloferax volcanii." Microbial Drug Resistance. 3. 359-362 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] J.Hirayama, 他9名: "Photoinactivation of virus infectivity by hypocrellin A." Photochem.Photobiol.66. 697-700 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] S.Takeda, 他3名: "Adenosine 5′-triphosphate binding to bovine serum albumin." Biophys.Chem.69. 175-183 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] S.Kurosawa, 他2名: "Detection of mutagenic polycyclic compounds using quartz crystal nicro-balance coated with plasma-polymerized phthalocyanine." Anal.Chim.Acta. 337. 1-3 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Abe, 他5名: "Potential involvement of both thpe 1 and type 2 mechanisms in M13 virus inactivation by methylene blue photosensitization." Photochem.Phtobiol.66. 204-208 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K. Kaidoh et al.: "Rhodamine 123 efflux transporter in Haloferax volcanii is induced when cultured under ′metabolic stress′ by amino acids" Biochem. J.314. 341-345 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T. Kitajima et al.: "Novel Bacterial rhodopsins from Haloarcula vallismortis" Biochem. Biophys. Res. Commun.220. 341-345 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] M. Komatsubara et al.: "Doxorubicin-efflux pump in Haloferax volcanii is energized by ATP." FEMS Microbiol. Lett.139. 83-88 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] T. Kikukawa et al.: "Culture temperature affects the molecular motion of bacteriorhodopsin within the purple membrane." Chem. Pharm. Bull.44. 473-476 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] S. Tanabu et al.: "′Metabolic stress by sugars increases activity of multidrug efflux transporter." Microbiology. (in press).

    • Related Report
      1996 Annual Research Report
  • [Publications] K. Kaidoh et al.: "A drug extrusion system in Corynebacterium glutamicum" Microbial Drug Resistance. (in press).

    • Related Report
      1996 Annual Research Report
  • [Publications] 加茂直樹: "バクテリアの多剤排出輸送体:培養条件による活性の変化" 医学微生物の最先端,日本細菌学会編(菜根出版,東京), 7 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] 加茂直樹: "バクテリアの光センサー.シリーズ・ニューバイオフィジクス" 日本生物物理学会編(共立出版,東京), 10 (1997)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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