A library of insertional mutants of Enterococcus faecalis was constructed; it allowed the isolation and the characterization of 10 mutants affected in resistance to bile salts. Insertion loci of two mutants corresponded to genes of unknown function, while the amino acid sequences deduced from the other loci were homologous to proteins related to DNA repair, oxidative response, transcriptional regulation, dGTP hydrolysis, membrane composition, or cell wall synthesis. Further characterization of one mutant revealed that the insertion within the E. faecalis sagA gene led to a decrease of the resistance towards numerous independent physicochemical stresses, to modifications of the cell wall integrity, and to perturbations of cell division with septation anomalies.
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Takami, H
;
Takaki, Y
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Takaki, Y
;
Nakasone, K
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Nakasone, K
;
Sakiyama, T
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Sakiyama, T
;
Maeno, G
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Maeno, G
;
Sasaki, R
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Sasaki, R
;
Hirama, C
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Hirama, C
;
Fuji, F
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Fuji, F
;
Masui, N
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Takami, H
;
Takaki, Y
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Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Takaki, Y
;
Nakasone, K
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机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Nakasone, K
;
Sakiyama, T
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机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Sakiyama, T
;
Maeno, G
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h-index: 0
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Maeno, G
;
Sasaki, R
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h-index: 0
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Sasaki, R
;
Hirama, C
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h-index: 0
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Hirama, C
;
Fuji, F
论文数: 0引用数: 0
h-index: 0
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan
Fuji, F
;
Masui, N
论文数: 0引用数: 0
h-index: 0
机构:
Japan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, JapanJapan Marine Sci & Technol Ctr, Deep Sea Microorganisms REs Grp, Yokosuka, Kanagawa 2370061, Japan