国際学会発表(2008年以降)
【2019年】(1)
76. Morino, ○M. Ito, Purification and functional reconstitution of the multi-subunit type Na+/H+ antiporter Mrp from thermophilic Anoxybacillus flavithermus WK1. Thermophiles2019 (2019), Fukuoka, Japan, September 2-6.
【2018年】(4)
75. Y. Usui, Y. Wakabayashi, ○M. Ito, Up-motility phenotype of Methylobacterium sp. ME121 in co-cultivation with Kaistia sp. 32K, The 16th international symposium on Bioscience and Nanotechnology, Kawagoe, Japan Dec. 18, 2018
74. ○M. Ito, The Mrp-type cation/proton antiporter with major functions is broadly distributed in bacteria and archaea, Seminar at IST Austria, Klosterneuburg, Austria, November 28, 2018
73. ○M. Ito and M. Matsui, The elucidation of ion selectivity mechanisms and ion transport pathway of Mrp-type Na+/H+ antiporter from alkaliphilic Bacillus, 12th International Congress on Extremophiles, Ischia, Italy,Sept. 16-20, 2018.
72.○T. Koretsune and M. Ito, Clarification of cesium tolerant mechanisms of Microbacterium sp. TS-1, 12th International Congress on Extremophiles, Ischia, Italy,Sept. 16-20, 2018.
【2017年】(6)
71. ○M. Ito, A critical role of cell surface structure and non-conventional cation-coupled flagellar motors from the alkaliphilic Bacillus spp., The 15th international symposium on Bioscience and Nanotechnology, Kawagoe, Japan Dec. 2, 2017
70. ○M. Ito, Nonconventional cation-coupled flagellar motors derived from the alkaliphilic Bacillus and Paenibacillus species. International Symposium on "Harmonized supramolecular motility machinery and its diversity”, Nagoya University (2017), Nagoya, Japan. Sept. 13, 2017 (Invited oral presenter)
69. Y. Usui, Y. Wakabayasi, T. Shimizu, A. Nakamura, M. Ito, Elucidation of an Up-motile Mechanism of Methylobacterium sp. ME121 in Co-cultivation with Kaistia sp. 32K. International Symposium on "Harmonized supramolecular motility machinery and its diversity”, Nagoya University (2017), Nagoya, Japan. Sept. 13-14, 2017
68. S. Naganawa, R. Imazawa, M. Ito, A Functional Analysis of The Flagellar Stator Complex from Bacillus trypoxylicola. International Symposium on "Harmonized supramolecular motility machinery and its diversity”, Nagoya University (2017), Nagoya, Japan. Sept. 13-14, 2017
67. ○M. Ito, Elucidation of a Substrate Transport Pathway in the Multi-subunit Mrp-type Cation: Proton Antiporter by Heterologous Subunit Replacement. ASM Microbe 2017, New Orlins convention center (2017), New Orlins, USA. June 4, 2017
66. ○M. Ito, M. Matsui, Elucidation of ion selectivity and identification of ion transport subunits in the multi-subunit Mrp-type Na+/H+ antiporter. 9th ASME (Asian Symposium on Microbial Ecology), Busan Exhibition & Convention center (2017), Busan, Korea. April 28, 2017 (Invited oral presenter)
【2016年】(12)
65. ○M. Ito, S. Fujinami, Characterization of SLH-type cell surface layer proteins and its application in alkaliphilic Bacillus pseudofirmus OF4, 1st International Conference on Applied Microbiology in Vietnam, the VNUHCM-University of Science (2016), Ho Chi Minh City, Vietnam. (Invited oral presenter)
64. ○Y. Takahashi, M. Ito, Search for inhibitors of the bacterial flagellar motor, 1st International Conference on Applied Microbiology in Vietnam, the VNUHCM-University of Science (2016), Ho Chi Minh City, Vietnam.
63. ○M. Matsui, M. Ito, Elucidation ion selectivity and identification of ion transport subunits in the Mrp type antiporter, 1st International Conference on Applied Microbiology in Vietnam, the VNUHCM-University of Science (2016), Ho Chi Minh City, Vietnam.
62. ○S. Naganawa, R. Imazawa, M. Ito, A Functional Analysis of The Alkaliphilic Bacillus Flagellar Motor That Can utilize Both Na+ and K+ as a Coupling Ion. 1st International Conference on Applied Microbiology in Vietnam, the VNUHCM-University of Science (2016), Ho Chi Minh City, Vietnam.
61. ○Y. Takahashi, M. Ito, The elucidation of the Na+-requirement mechanism for flagellar rotation between alkaliphilic and neutrophilic Bacillus at neutral pH, The 14th international symposium on Bioscience and Nanotechnology, Kawagoe, Japan Nov. 24-25, 2016
60. ○M. Ito, In memoriam: Prof. Koki Horikoshi (1932-2016), The 14th international symposium on Bioscience and Nanotechnology, Kawagoe, Japan Nov. 24-25, 2016 (Invited oral presenter)
59. ○M. Ito, The elucidation of the mechanisms of coupling ion selectivity of alkaliphilic bacterial flagellar motors, Extremophiles 2016, Kyoto, Japan Sept. 13, 2016. (Invited oral presenter)
58. ○Y. Takahashi, Y. Noguchi and M. Ito, Analysis of the adaptation mechanism to the environment of the Na+ -driven flagellar motor stator MotPS in Bacillus species, Extremophiles 2016, Kyoto, Japan Sept. 12-16, 2016.
57. ○S. Naganawa, R. Imazawa and M. Ito, A functional analysis of K+ and Na+ -coupled stator complex of flagellar motor from Bacillus trypoxylicola. Extremophiles 2016, Kyoto, Japan Sept. 12-16, 2016.
56. ○M. Yamamoto, A. Taguchi, M. Iwata and M. Ito, Identification of the minimum functional region of MotS that can be used as both a Na+ and K+-driven flagellar stator subunit in alkaliphilic Bacillus alcalophilus. Extremophiles 2016, Kyoto, Japan Sept. 12-16, 2016.
55. R. Imazawa, S. Naganawa and ○M. Ito, A functional analysis of the stator complex of the flagellar motor from alkaliphilic Bacillus trypoxylicola, ASM Microbe 2016, Boston, Massachusetts, USA June 16-20, 2016.
54. R. Imazawa, Y. Takahashi, W. Aoki, M. Sano and ○M. Ito, The discovery of a novel divalent cation-driven bacterial flagellar motor, Gordon Research Conference on Sensory Transduction in Microorganisms, Ventura, California USA January 17-22, 2016. (Selected oral presenter)
【2015年】(4)
53. M. Ito, Physiology and motility of alkaliphilic Bacillus, The International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015, Hawaii, USA, December 16, 2015. (Session organizer and Invited Speaker)
52. Y. Takahashi, Y. Noguchi and M. Ito, The clarification of alkaliphilic Bacillus affinity of Na+ in near neutral pH for the Na+-driven flagellar motor stator MotPS, The International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015, Hawaii, USA, December 16, 2015.
51. Y. Wakabayashi, S. Shimizu, A. Nakamura and M. Ito, Co-cultivation with Methylobacterium sp. ME121 and Kaistia sp. 32K was increased swimming velocity of ME121, The International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015, Hawaii, USA, December 16, 2015.
50. Y. Takahashi, Y. Noguchi, and M. Ito, Identification of important amino acid residues in up-motile mutants of alkaliphilic Bacillus pseudofirmus OF4 at low pH, The 13th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 26-28, 2015.
【2014年】(8)
49. Y. Takahashi, Y. Noguchi, and M. Ito, Elucidation of the differences in Na+ affinity in a neutral pH environment of the Na+-driven flagellar motor stator MotPS in alkaliphilic Bacillus pseudofirmus OF4 and Bacillus subtilis. The 12th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 14-15, 2014.
48. M. Morino, S. Ohgoda and M. Ito, Functional differences between two homologous subunits, MrpA and MrpD of the Mrp Na+/H+ antiporter from alkaliphilic Bacillus. The 12th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 14-15, 2014.
47. S. Fujinami and M. Ito, Observation of alkaliphilic Bacillus pseudofirmus OF4 cell envelope by transmission electron microscope. The 12th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 14-15, 2014.
46. T. Takahashi, and M. Ito, Characterization of the alkaliphily-related small protein, BpOF4_01690, of alkaliphilic Bacillus pseudofirmus OF4. 10th International Congress on Extremophiles 2014, St. Petersburg, Russia, September 10, 2014.
45. Y. Takahashi, Y. Noguchi, and M. Ito, The clarification of the differences between alkaliphilic and neutralophilic Bacillus influx control of Na+ near neutral pH in the Na+-driven flagellar motor stator MotPS. 10th International Congress on Extremophiles 2014, St. Petersburg, Russia, September 8, 2014.
44. M. Morino, S. Ohgoda, and M. Ito, Functional differences between two homologous subunits, MrpA and MrpD of the Mrp-type Na+/H+ antiporter. 18th European Bioenergetics Conference, Lisbon, Portugal, July 13-18, 2014.
43. M. Ito, Y. Takahashi, and Y. Noguchi, Critical amino acid residues for influx control of Na+ at neutral pH of Na+-driven flagellar motor stator MotPS in Bacillus pseudofirmus OF4. Gordon Research Conference on Sensory Transduction in Microorganisms, Ventura, California USA January 12-17, 2014.
42. A. Taguchi, K. Imada, and M. Ito, Partial purification and characterization of an alkaliphilic Bacillus flagellar motor that can use both Na+ and K+ as a coupling ion. Gordon Research Conference on Sensory Transduction in Microorganisms, Ventura, California USA January 12-17, 2014.
【2013年】(4)
41. S. Fujinami and M. Ito, Measurement of surface potential of alkaliphilic Bacillus pseudofirmus OF4, The 11th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 15, 2013.
40. Y. Takahashi, Y. Noguchi and M. Ito, Critical amino acid residues for the regulation of Na+ influx at neutral pH of the Na+-driven flagellar motor stator MotPS in alkaliphilic Bacillus, The 11th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, November 15, 2013.
39. M. Morino, M. Ito and T. A. Krulwich, A potassium cycle is compatible with the antiport profile of native Bacillus alcalophilus membranes and properties of its two Mrp cation/proton antiporters, 113th General meeting on American society for Microbiology, Colorado, USA, May 18-21, 2013.
38. Y. Takahashi, Y. Noguchi and M. Ito, Effect of a single motP mutation on motility at neutral pH of the Na+-driven flagellar motor of Bacillus pseudofirmus OF4, The Bacterial Locomotion and Signal Transduction XII (BLAST) meeting, Tucson, Arizona, USA, January 20-24, 2013.
【2012年】(8)
37. Y. Takahashi and M. Ito, Rotation mechanism using two types of ions in a hybrid motor in Bacillus subtilis. The 10th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 7-8, 2012.
36. M. Ito, M. Sano and N. Terahara, Novel flagellar stator proteins which can use both Na+ and K+ as a coupling ion for flagellar rotation from alkaliphilic Bacillus. The 10th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 7-8, 2012.
35. S. Fujinami and M. Ito, Morphology of alkaliphilic Bacillus halodurans C-125 at neutral pH values. The 10th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 7-8, 2012.
34. M. Morino, T. Suzuki, M. Ito, Characterization and purification of the multi subunit type Na+/H+ antiporter from alkaliphilic Bacillus pseudofirmus OF4, 17th European Bioenergetics Conference, Freiburg, Germany, September 15-20, 2012.
33. K. Koyama and M. Ito, An analysis of amino acid residues which affect the structure of the ion flux pathway of the flagellar stator complex from Bacillus subtilis, 17th European Bioenergetics Conference, Freiburg, Germany, September 15-20, 2012.
32. Y. Takahashi and M. Ito, The charged amino acid residues of two different stators of the flagellar motor in Bacillus subtilis are important for motility, 17th European Bioenergetics Conference, Freiburg, Germany, September 15-20, 2012.
31. M. Ito, “One stator that couples to two different ions: flagellar stator and motility of alkaliphilic Bacillus species.” 9th International Congress on Extremophiles 2012, Sevilla, Spain, September 12, 2012. (Invited Speaker)
30. S. Fujinami, M. Ito, Morphology of alkaliphilic Bacillus halodurans C-125. 9th International Congress on Extremophiles 2012, Sevilla, Spain, September 12, 2012.
【2011年】(10)
29. Y. Takahashi and M. Ito, A role of charged amino acid residues in flagellar stator two proteins MotAB and MotPS of Bacillus subtilis, 9th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 10, 2011.
28. Y. Noguchi and M. Ito, Effect of a single motP mutation for motility at neutral pH of the Na+-driven flagellar motor of Bacillus pseudofirmus OF4, 9th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 10, 2011.
27. K. Koyama and M. Ito, An analysis of a conserved aspartic acid residue which is the putative coupling ion binding site in the flagellar stator complex from Bacillus subtilis, 9th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 10, 2011.
26. Y. Nakano and M. Ito, Interaction between the F1FO-ATP synthase and the Cytochrome caa3-type complex from alkaliphilic Bacillus pseudofirmus OF4, 9th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 10, 2011.
25. S. Fujinami and M. Ito, Cell shape determination in Bacillus halodurans C-125 at neutral pH values, 9th International Symposium on Bioscience and Nanotechnology, Kawagoe, Japan, December 10, 2011.
24. Y. Takahashi and M. Ito, A role of the conserved charged residues in flagellar stator proteins MotA and MotP of Bacillus subtilis, International Union of Microbiological Societies 2011 Congress, Sapporo, September, 2011.
23. M. Morino, S. Ogoda, T. Ono and M. Ito, Structural and functional properties of MrpA and MrpD and the roles of the C-terminal region of MrpA in multi-subunit type Na+/H+ antiporter activity from B. pseudofirmus OF4, Gordon Research Conferences “Bioenergetics”, New Hampshire, USA, June 26-July 1, 2011.
22. N. Terahara, M. Sano, and M. Ito, A novel flagellar motor from alkaliphilic Bacillus, Gordon Research Conferences “Bioenergetics”, New Hampshire, USA, June 26-July 1, 2011.
21. Y. Takahashi and M. Ito, The functional role of the conserved cytoplasmic charged amino acid residues in two different flagellar stators of Bacillus subtilis, 6th Conference on Functional Genomics of Gram-positive Microorganisms, Montecatini Term, Italy, June 19-23, 2011.
20. N. Terahara, M. Sano, and M. Ito, A novel K+-stimulated flagellar motor from alkaliphilic Bacillus, 6th Conference on Functional Genomics of Gram-positive Microorganisms, Montecatini Term, Italy, June 19-23, 2011.
【2010年】(7)
19. Y. Noguchi, N. Terahara, M. Ito, Single molecular measurement of the flagellar motor of Bacillus subtilis, 8th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, December 17-18, 2010.
18. Y. Takahashi and M. Ito, Analysis of the charged residues in flagellar stator two proteins of Bacillus subtilis, 8th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, December 17-18, 2010.
17. Y. Nakano and M. Ito, Physiological role of cytochrome caa3 of alkaliphilic Bacillus pseudofirmus OF4, 8th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, December 17-18, 2010.
16. M. Morino, S. Natsui, T. Ono, T. A. Krulwich, and M. Ito, Identification and characterization of the conserved and important amino acid residues in Multi-subunit type Na+/H+ antiporter Mrp from alkaliphiles Bacillus pseudofirmus OF4, 8th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, December 17-18, 2010.
15. S. Fujinami and M. Ito, Cell shape determination in Bacillus halodurans C-125, 8th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, December 17-18, 2010.
14. M. Morino, S. Natsui, T. Ono, T. H. Swartz, T. A. Krulwich and M. Ito, Identification and characterization of functional residues in a Multi-subunit type Na+/H+ antiporter Mrp complex from alkaliphilic Bacillus pseudofirmus OF4. 16th European Bioenergetics Conference, Warsaw, Poland, July 17-22, 2010.
13. M. Ito, S. Fujinami, N. Terahara, and T. A. Krulwich, Motility and chemotaxis in alkaliphilic Bacillus species. Gordon Research Conference on Sensory Transduction in Microorganisms, Ventura, California USA January 27, 2010.
【2009年】(4)
12. N. Terahara, T. A. Krulwich and M. Ito, The single flagellar stator that supports use of both H+ and Na+ for motility in an alkaliphilic Bacillus is changed to single-coupling by mutation and dual ion use is conferred on two Bacillus subtilis motors. 5th Conference on Functional Genomics of Gram-positive Microorganisms, San Diego, CA USA, June 16, 2009.
11. Y. Takahashi, N. Terahara, Y. Koizumi, M. Ito, Analysis of the conserved charged residues in two flagellar stators of Bacillus subtilis. 5th Conference on Functional Genomics of Gram-positive Microorganisms, San Diego, CA USA, June 16, 2009.
10. M. Morino, S. Natsui, T. H. Swartz, T. A. Krulwich, and M. Ito, Detection of hetero-oligomeric Mrp complex of Alkaliphilic Bacillus and analysis of the single gene deletion mutations of mrpA to mrpG. 5th Conference on Functional Genomics of Gram-positive Microorganisms, San Diego, CA USA, June 16, 2009.
9. M. Ito, N. Terahara and T. A. Krulwich, The single flagellar stator that supports use of both H+ and Na+ for motility in an alkaliphilic Bacillus clausii is changed to single-coupling by mutation and dual ion use is conferred on two Bacillus subtilis motors. International Symposium "Innovative Nanoscience of Supermolecular Motor Proteins, Kyoto, Japan, September 8, 2009. (Invited Speaker)
【2008年】(8)
8. M. Morino, S. Natsui, T. H. Swartz, T. A. Krulwich and M. Ito, 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, 15th European Bioenergetics Conference 2008 (EBEC 2008), Dublin, Ireland, July 19-24, 2008.
7. N. Terahara, T. A. Krulwich and M. Ito, A Bacillus flagellar motor switches from proton to sodium gradients for powering motility at alkaline pH, 15th European Bioenergetics Conference 2008 (EBEC 2008), Dublin, Ireland, July 19-24, 2008.
6. M. Morino, S. Natsui, T. H. Swartz, T. A. Krulwich and M. Ito, Analysis of hetero-oligomer structure and effect of single deletion mutation of Mrp antiporter, 6th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, November 7, 2008.
5. Y. Takahashi, N. Terahara, Y. Koizumi, and M. Ito, A role of the conserved charged residues in two flagellar stators of Bacillus subtilis, 6th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, November 7, 2008.
4. N. Terahara, T. A. Krulwich and M. Ito, A first report of a new flagellar stator that can use both proton and sodium gradients for bacterial motility, 6th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, November 7, 2008.
3. T. Ueda and M. Ito, Functional analysis of the K+ uptake system in Bacillus subtilis, 6th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, November 7, 2008.
2. M. Ito, Mutations alter the sodium versus proton use of an alkaliphilic Bacillus clausii flagellar motor, 6th International Symposium on Bioscience and Nanotechnology, Tokyo, Japan, November 7, 2008.
1. M. Ito, S. Fujinami, T. Sato, I. Kawagishi, and T. A. Krulwich, The voltage-gated Na+ channel NavBP co-localizes with methyl-accepting chemotaxis protein at cell poles of alkaliphilic Bacillus pseudofirmus OF4, Gordon Research Conferences “SENSORY TRANSDUCTION IN MICROORGANISMS”, Ventura, CA, USA, January 13-18, 2008.