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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제19권 제1호
- 발행연도
- 2009.1
- 수록면
- 37 - 41 (5page)
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Previous studies have demonstrated that Shewanella
decolorationis S12 can grow on the azo compound amaranth
as the sole electron acceptor. Thus, to explore the mechanism
of energy generation in this metabolism, membranous
vesicles (MVs) were prepared and the mechanism of energy
generation was investigated. The membrane, which was
fragmentized during preparation, automatically formed
vesicles ranging from 37.5-112.5 nm in diameter under
electron micrograph observation. Energy was conserved
when coupling the azoreduction by the MVs of an azo
compound or Fe(III) as the sole electron acceptor with H2,
formate, or lactate as the electron donor. The amaranth
reduction by the vesicles was found to be inhibited by
specific respiratory inhibitors, including Cu2+ ions, dicumarol,
stigmatellin, and metyrapone, indicating that the azoreduction
was indeed a respiration reaction. This finding was further
confirmed by the fact that the ATP synthesis was repressed by
the ATPase inhibitor N,N'-dicyclohexylcarbodiimide (DCCD).
Therefore, this study offers solid evidence of a mechanism
of microbial dissimilatory azoreduction on a subcell level.
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참고문헌 (25)
참고문헌 신청
[
Altendorf, K. H. / 1974 / Orientation of membrane vesicles from Escherichia coli as detected by freezecleave electron microscopy / J. Bacteriol 117 : 888 ~ 899
Arnold, R. G. / 1986 / Inhibitor studies of dissimilative Fe(III) reduction by Pseudomonas sp. strain 200 (“Pseudomonas ferrireductans”) / Appl. Environ. Microbiol 52 : 281
Banat, I. M. / 1996 / Microbial decolorization of textile-dye-containing effluents: A review / Biores. Technol 58 : 217 ~ 227
Bradford, M. M. / 1976 / A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding / Anal. Biochem 7
Altendorf, K. H. / 1974 / Orientation of membrane vesicles from Escherichia coli as detected by freezecleave electron microscopy / J. Bacteriol 117 : 888 ~ 899
Arnold, R. G. / 1986 / Inhibitor studies of dissimilative Fe(III) reduction by Pseudomonas sp. strain 200 (“Pseudomonas ferrireductans”) / Appl. Environ. Microbiol 52 : 281
Banat, I. M. / 1996 / Microbial decolorization of textile-dye-containing effluents: A review / Biores. Technol 58 : 217 ~ 227
Bradford, M. M. / 1976 / A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding / Anal. Biochem 7
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