All Stories

  1. a novel single bacterial flagellar stator coupled motility to divalent cations.

    Article • Scientific Reports, January 2016, Nature

    Prof. MASAHIRO ITO

  2. Draft Genome Sequence of Methylobacterium sp. ME121, Isolated from Soil as a Mixed Single Colony with Kaistia sp. 32K

    Article • Genome Announcements, September 2015, ASM Journals

    Prof. MASAHIRO ITO

  3. Draft Genome Sequence of Bacillus alcalophilus AV1934, a Classic Alkaliphile Isolated from Human Feces in 1934

    Article • Genome Announcements, November 2014, ASM Journals

    Prof. MASAHIRO ITO, Terry Ann Krulwich

  4. Ionic selectivity and thermal adaptations within the voltage-gated sodium channel family of alkaliphilic Bacillus

    Article • eLife, November 2014, eLife

    David Clapham, Prof. MASAHIRO ITO, Terry Ann Krulwich

  5. Draft Genome Sequence of Potassium-Dependent Alkaliphilic Bacillus sp. Strain TS-2, Isolated from a Jumping Spider

    Article • Genome Announcements, May 2014, ASM Journals

    Prof. MASAHIRO ITO

  6. Mutational analysis of charged residues in the cytoplasmic loops of MotA and MotP in the Bacillus subtilis flagellar motor

    Article • The Journal of Biochemistry, April 2014, Oxford University Press (OUP)

    Prof. MASAHIRO ITO

  7. Bioenergetic Adaptations That Support Alkaliphily

    Article • April 2014, ASM Journals

    Prof. MASAHIRO ITO

  8. Suppressor mutants from MotB-D24E and MotS-D30E in the flagellar stator complex of Bacillus subtilis

    Article • The Journal of General and Applied Microbiology, January 2014, Microbiology Research Foundation

    Prof. MASAHIRO ITO

  9. Draft Genome Sequence of Sodium-Independent Alkaliphilic Microbacterium sp. Strain TS-1

    Article • Genome Announcements, December 2013, ASM Journals

    Prof. MASAHIRO ITO

  10. Purification and Functional Reconstitution of a Seven-Subunit Mrp-Type Na+/H+ Antiporter

    Article • Journal of Bacteriology, October 2013, ASM Journals

    Prof. MASAHIRO ITO, Terry Ann Krulwich

  11. Alkaliphilic Prokaryotes

    Article • January 2013, Springer Science + Business Media

    Prof. MASAHIRO ITO

  12. Characterization and purification of the multi subunit type Na+/H+ antiporter from alkaliphilic Bacillus pseudofirmus OF4

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, October 2012, Elsevier

    Prof. MASAHIRO ITO

  13. The charged amino acid residues of two different stators of the flagellar motor in Bacillus subtilis are important for motility

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, October 2012, Elsevier

    Prof. MASAHIRO ITO

  14. An analysis of amino acid residues which affect the structure of the ion flux pathway of the flagellar stator complex from Bacillus subtilis

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, October 2012, Elsevier

    Prof. MASAHIRO ITO

  15. A Bacillus Flagellar Motor That Can Use Both Na+ and K+ as a Coupling Ion Is Converted by a Single Mutation to Use Only Na+

    Article • PLoS ONE, September 2012, PLOS

    Prof. MASAHIRO ITO

  16. Functional expression of the multi-subunit type calcium/proton antiporter from Thermomicrobium roseum

    Article • FEMS Microbiology Letters, July 2012, Oxford University Press (OUP)

    Prof. MASAHIRO ITO

  17. Genome of alkaliphilic Bacillus pseudofirmus OF4 reveals adaptations that support the ability to grow in an external pH range from 7.5 to 11.4

    Article • Environmental Microbiology, September 2011, Wiley

    Prof. MASAHIRO ITO

  18. The relationship between a coiled morphology and Mbl in alkaliphilic Bacillus halodurans C-125 at neutral pH values

    Article • World Journal of Surgery, July 2011, Springer Science + Business Media

    Prof. MASAHIRO ITO

  19. Bioenergetics: Cell Motility and Chemotaxis of Extreme Alkaliphiles

    Article • January 2011, Springer Science + Business Media

    Prof. MASAHIRO ITO

  20. Adaptive Mechanisms of Extreme Alkaliphiles

    Article • January 2011, Springer Science + Business Media

    Prof. MASAHIRO ITO

  21. Single Site Mutations in the Hetero-oligomeric Mrp Antiporter from Alkaliphilic Bacillus pseudofirmus OF4 That Affect Na+/H+ Antiport Activity, Sodium Exclusion, Individual Mrp Protein Levels, or Mrp Complex Formation

    Article • Journal of Biological Chemistry, July 2010, American Society for Biochemistry & Molecular Biology (ASBMB)

    Prof. MASAHIRO ITO

  22. Identification and characterization of functional residues in a multi-subunit type Na+/H+ antiporter Mrp complex from alkaliphilic Bacillus pseudofirmus OF4

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2010, Elsevier

    Prof. MASAHIRO ITO

  23. Motility and chemotaxis in alkaliphilicBacillusspecies

    Article • Future Microbiology, November 2009, Future Medicine

    Prof. MASAHIRO ITO, Terry Ann Krulwich

  24. Cation/proton antiporter complements of bacteria: why so large and diverse?

    Article • Molecular Microbiology, October 2009, Wiley

    Prof. MASAHIRO ITO

  25. Characterization of Bacillus subtilis YfkE (ChaA): a calcium-specific Ca2+/H+ antiporter of the CaCA family

    Article • Archives of Microbiology, June 2009, Springer Science + Business Media

    Prof. MASAHIRO ITO

  26. Mutations alter the sodium versus proton use of a Bacillus clausii flagellar motor and confer dual ion use on Bacillus subtilis motors

    Article • Proceedings of the National Academy of Sciences, September 2008, Proceedings of the National Academy of Sciences

    Prof. MASAHIRO ITO

  27. S3.9 Effect of single gene deletions of mrpA–G and mrpE point mutations on activity of the Mrp Na+/H+ antiporter of alkaliphilic Bacillus and formation of hetero-oligomeric Mrp complex

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2008, Elsevier

    Prof. MASAHIRO ITO

  28. S3.31 A Bacillus flagellar motor switches from proton to sodium gradients for powering motility at alkaline pH

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2008, Elsevier

    Prof. MASAHIRO ITO

  29. Single Gene Deletions of mrpA to mrpG and mrpE Point Mutations Affect Activity of the Mrp Na+/H+ Antiporter of Alkaliphilic Bacillus and Formation of Hetero-Oligomeric Mrp Complexes

    Article • Journal of Bacteriology, April 2008, ASM Journals

    Prof. MASAHIRO ITO

  30. The voltage-gated Na+ channel NaVBP co-localizes with methyl-accepting chemotaxis protein at cell poles of alkaliphilic Bacillus pseudofirmus OF4

    Article • Microbiology, December 2007, Society for General Microbiology

    Prof. MASAHIRO ITO

  31. pH Tolerance in Bacillus: Alkaliphiles Versus Non-Alkaliphiles

    Article • September 2007, Wiley

    Prof. MASAHIRO ITO

  32. Three two-component transporters with channel-like properties have monovalent cation/proton antiport activity

    Article • Proceedings of the National Academy of Sciences, August 2007, Proceedings of the National Academy of Sciences

    Prof. MASAHIRO ITO

  33. Catalytic Properties of Staphylococcus aureus and Bacillus Members of the Secondary Cation/Proton Antiporter-3 (Mrp) Family Are Revealed by an Optimized Assay in an Escherichia coli Host

    Article • Journal of Bacteriology, February 2007, ASM Journals

    Prof. MASAHIRO ITO

  34. 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

    Article • Archives of Microbiology, December 2006, Springer Science + Business Media

    Prof. MASAHIRO ITO

  35. Isolation and characterization of novel denitrifying alkalithermophiles, AT-1 and AT-2

    Article • World Journal of Surgery, April 2006, Springer Science + Business Media

    Prof. MASAHIRO ITO

  36. An Intergenic Stem-Loop Mutation in the Bacillus subtilis ccpA-motPS Operon Increases motPS Transcription and the MotPS Contribution to Motility

    Article • Journal of Bacteriology, April 2006, ASM Journals

    Prof. MASAHIRO ITO

  37. The Physiological Role of Two Sodium Channels MotPS and NaVBP of Alkaliphilic Bacillus

    Article • Seibutsu Butsuri, January 2006, Biophysical Society of Japan

    Prof. MASAHIRO ITO

  38. The Activity Profile of the NhaD-Type Na+(Li+)/H+ Antiporter from the Soda Lake Haloalkaliphile Alkalimonas amylolytica Is Adaptive for the Extreme Environment

    Article • Journal of Bacteriology, November 2005, ASM Journals

    Prof. MASAHIRO ITO

  39. Alkaline pH homeostasis in bacteria: New insights

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, November 2005, Elsevier

    Prof. MASAHIRO ITO

  40. Properties of Motility in Bacillus subtilis Powered by the H+-coupled MotAB Flagellar Stator, Na+-coupled MotPS or Hybrid Stators MotAS or MotPB

    Article • Journal of Molecular Biology, September 2005, Elsevier

    Prof. MASAHIRO ITO

  41. NhaK, a novel monovalent cation/H+ antiporter of Bacillus subtilis

    Article • Archives of Microbiology, July 2005, Springer Science + Business Media

    Prof. MASAHIRO ITO

  42. The Mrp system: a giant among monovalent cation/proton antiporters?

    Article • World Journal of Surgery, June 2005, Springer Science + Business Media

    Prof. MASAHIRO ITO, Terry Ann Krulwich

  43. The Mrp Na+/H+ Antiporter Increases the Activity of the Malate:Quinone Oxidoreductase of an Escherichia coli Respiratory Mutant

    Article • Journal of Bacteriology, January 2005, ASM Journals

    Prof. MASAHIRO ITO

  44. The voltage-gated Na + channel Na V BP has a role in motility, chemotaxis, and pH homeostasis of an alkaliphilic Bacillus

    Article • Proceedings of the National Academy of Sciences, July 2004, Proceedings of the National Academy of Sciences

    Prof. MASAHIRO ITO

  45. MotPS is the stator-force generator for motility of alkaliphilic Bacillus, and its homologue is a second functional Mot in Bacillus subtilis

    Article • Molecular Microbiology, June 2004, Wiley

    Prof. MASAHIRO ITO

  46. Modulation of the K+efflux activity ofBacillus subtilisYhaU by YhaT and the C-terminal region of YhaS

    Article • FEMS Microbiology Letters, February 2004, Oxford University Press (OUP)

    Prof. MASAHIRO ITO

  47. Mutational Loss of a K+ and NH4+ Transporter Affects the Growth and Endospore Formation of Alkaliphilic Bacillus pseudofirmus OF4

    Article • Journal of Bacteriology, September 2003, ASM Journals

    Prof. MASAHIRO ITO

  48. Alkaliphilic Microorganisms

    Article • January 2003, Wiley

    Prof. MASAHIRO ITO

  49. Decrease in Cytoplasmic pH-Homeostastatic Activity of the AlkaliphileBacillus LentusC-125 by a Cell Wall Defect

    Article • Bioscience Biotechnology and Biochemistry, January 2002, Taylor & Francis

    Prof. MASAHIRO ITO

  50. Mrp-dependent Na+/H+antiporters ofBacillusexhibit characteristics that are unanticipated for completely secondary active transporters

    Article • FEBS Letters, May 2001, Wiley

    Prof. MASAHIRO ITO

  51. The Na+-dependence of alkaliphily in Bacillus

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, May 2001, Elsevier

    Prof. MASAHIRO ITO

  52. Improvement of the Electro-transformation Efficiency of Facultatively Alkaliphilic Bacillus pseudofirmus OF4 by High Osmolarity and Glycine Treatment

    Article • Bioscience Biotechnology and Biochemistry, January 2001, Taylor & Francis

    Prof. MASAHIRO ITO

  53. Effects of Nonpolar Mutations in Each of the Seven Bacillus subtilis mrp Genes Suggest Complex Interactions among the Gene Products in Support of Na+ and Alkali but Not Cholate Resistance

    Article • Journal of Bacteriology, October 2000, ASM Journals

    Prof. MASAHIRO ITO

  54. Bacillus subtilis YqkI Is a Novel Malic/Na+-Lactate Antiporter That Enhances Growth on Malate at Low Protonmotive Force

    Article • Journal of Biological Chemistry, July 2000, American Society for Biochemistry & Molecular Biology (ASBMB)

    Prof. MASAHIRO ITO

  55. Two Types of Bacillus subtilis tetA(L) Deletion Strains Reveal the Physiological Importance of TetA(L) in K+ Acquisition as well as in Na+, Alkali, and Tetracycline Resistance

    Article • Journal of Bacteriology, April 2000, ASM Journals

    Prof. MASAHIRO ITO

  56. Physical map of alkaliphilic Bacillus firmus OF4 and detection of a large endogenous plasmid

    Article • World Journal of Surgery, November 1998, Springer Science + Business Media

    Prof. MASAHIRO ITO

  57. pH homeostasis and ATP synthesis: studies of two processes that necessitate inward proton translocation in extremely alkaliphilic Bacillus species

    Article • World Journal of Surgery, August 1998, Springer Science + Business Media

    Prof. MASAHIRO ITO

  58. Energetics of Alkaliphilic Bacillus Species: Physiology and Molecules

    Article • January 1998, Elsevier

    Prof. MASAHIRO ITO

  59. Mechanisms of cytoplasmic pH regulation in alkaliphilic strains of Bacillus

    Article • World Journal of Surgery, October 1997, Springer Science + Business Media

    Prof. MASAHIRO ITO

  60. Measurement of cytoplasmic pH of the alkaliphile Bacillus lentus C-125 with a fluorescent pH probe

    Article • Microbiology, August 1997, Society for General Microbiology

    Prof. MASAHIRO ITO

  61. Diverse genes of alkaliphilic Bacillus firmus OF4 that complement K + -uptake-deficient Escherichia coli include an ftsH homologue

    Article • World Journal of Surgery, February 1997, Springer Science + Business Media

    Prof. MASAHIRO ITO

  62. Energetic problems of extremely alkaliphilic aerobes

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 1996, Elsevier

    Prof. MASAHIRO ITO

  63. A high cell wall negative charge is necessary for the growth of the alkaliphile Bacillus lentus C-125 at elevated pH

    Article • Microbiology, November 1995, Society for General Microbiology

    Prof. MASAHIRO ITO

  64. Genetic recombination after cell fusion of protoplasts from the facultative alkaliphile Bacillus sp. C-125

    Article • Microbiology, November 1994, Society for General Microbiology

    Prof. MASAHIRO ITO

  65. Construction of a New Teichuronopeptide-defective Derivative from AlkaliphilicBacillussp. C-125 by Cell Fusion

    Article • Bioscience Biotechnology and Biochemistry, January 1994, Taylor & Francis

    Prof. MASAHIRO ITO

  66. Occurrence of teichuronopeptide in cell walls of group 2 alkaliphilic Bacillus spp.

    Article • Journal of General Microbiology, November 1993, Society for General Microbiology

    Prof. MASAHIRO ITO

  67. Identification of 2-amino-2,6-dideoxy-d-glucose (d-quinovosamine), isolated from the cell walls of the alkaliphilic Bacillus sp. Y-25, by 500-MHz 1H NMR spectroscopy

    Article • Carbohydrate Research, April 1993, Elsevier

    Prof. MASAHIRO ITO

  68. Regeneration of Protoplasts Prepared from Alkaliphilic Strains ofBacillusspp.

    Article • Bioscience Biotechnology and Biochemistry, January 1993, Taylor & Francis

    Prof. MASAHIRO ITO

  69. Instability of the protoplast membrane of facultative alkaliphilic Bacillus sp . C-125 at alkaline pH values below the pH optimum for growth

    Article • Biochemical Journal, July 1992, Portland Press Ltd.

    Prof. MASAHIRO ITO

  70. Isolation of Novel Toluene-Tolerant Strain ofPseudomonas aeruginosa

    Article • Bioscience Biotechnology and Biochemistry, January 1992, Taylor & Francis

    Prof. MASAHIRO ITO