Shun Fujinami

Publications20
h-index7
Citations305
Highly Influential Citations14
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Industrial applications of alkaliphiles and their enzymes – past, present and future
Alkaliphiles are microorganisms that can grow in alkaline environments, i.e. pH >9.0. Their enzymes, especially extracellular enzymes, are able to function in their catalytic activities under high… Expand
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Properties of motility in Bacillus subtilis powered by the H+-coupled MotAB flagellar stator, Na+-coupled MotPS or hybrid stators MotAS or MotPB.
Bacillus subtilis has a single set of flagellar rotor proteins that interact with two distinct stator-force generators, the H+-coupled MotAB complex and the Na+-coupled MotPS complex, that energize… Expand
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Complete genome sequence of Oscillibacter valericigenes Sjm18-20T (=NBRC 101213T)
Oscillibacter valericigenes is a mesophilic, strictly anaerobic bacterium belonging to the clostridial cluster IV. Strain Sjm18–20T (=NBRC 101213T =DSM 18026T) is the type strain of the species and… Expand
  • 17
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Motility and chemotaxis in alkaliphilic Bacillus species.
Alkaliphilic Bacillus species grow at pH values up to approximately 11. Motile alkaliphilic Bacillus use electrochemical gradients of Na(+) (sodium-motive force) to power ion-coupled,… Expand
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The voltage-gated Na+ channel NaVBP co-localizes with methyl-accepting chemotaxis protein at cell poles of alkaliphilic Bacillus pseudofirmus OF4.
Na(V)BP, found in alkaliphilic Bacillus pseudofirmus OF4, is a member of the bacterial voltage-gated Na(+) channel superfamily. The alkaliphile requires Na(V)BP for normal chemotaxis responses and… Expand
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Na+ and flagella-dependent swimming of alkaliphilic Bacillus pseudofirmus OF4: a basis for poor motility at low pH and enhancement in viscous media in an “up-motile” variant
Flagella-based motility of extremely alkaliphilic Bacillus species is completely dependent upon Na+. Little motility is observed at pH values < ∼8.0. Here we examine the number of flagella/cell as a… Expand
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Complete genome sequence of Oscillibacter valericigenes Sjm 18-20 T ( = NBRC 101213 T )
Oscillibacter valericigenes is a mesophilic, strictly anaerobic bacterium belonging to the clostridial cluster IV. Strain Sjm18-20 (=NBRC 101213 =DSM 18026) is the type strain of the species and… Expand
  • 8
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2.7 Bioenergetics: Cell Motility and Chemotaxis of Extreme Alkaliphiles
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The relationship between a coiled morphology and Mbl in alkaliphilic Bacillus halodurans C-125 at neutral pH values
The facultative alkaliphilic Bacillus halodurans C-125 can grow in a pH range from 6.8 to 10.8. The morphology of the cells grown at pH values above 7.5 is rod shaped, whereas, that gown at pH values… Expand
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The Voltage-Gated Na+ Channel NaVBP Co-localizes with Methyl-Accepting Chemotaxis Proteins of Alkaliphilic Bacillus pseudofirmus OF4 at a Cell Pole
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