Research Summary

Research Subjects

• Collection, preservation, quality control, and distribution of microbial strains
• Development of microbial resources for environmental and health researches
• Isolation and characterization of new microbial strains
• Studies on microbial communities and yet-uncultured microorganisms

Selected Publications

• 1. Sakamoto, M., Hisatomi, A., and Ohkuma, M.:
  "Isolation and characterization of a novel Waltera species and reclassification of Brotolimicola acetigignens Hitch et al. 2022 as Waltera acetigignens comb. nov."
  Int. J. Syst. Evol. Microbiol. 74: 006381 (2024)
• 2. Hashimoto A, Shibata S, Hirooka Y, Ohkuma M.:
  "Phylogenetic and morphological re-evaluation of Camptophora"
  Antonie van Leeuwenhoek 117: 109 (2024)
• 3. Iino, T., Oshima, K., Hattori, M., Ohkuma, M., and Amachi, S.:
  "Iron corrosion concomitant with nitrate reduction by Iodidimonas nitroreducens sp. nov. isolated from iodide-rich brine associated with natural gas"
  Front. Microbiol. 14: 1232866 (2023)
• 4. Kato, S., Ogasawara, A., Itoh, T., Sakai, H., Shimizu, M., Yuki, M., Kaneko, M., Takashina, T., and Ohkuma, M.:
  "Nanobdella aerobiophila gen. nov., sp. nov., a thermoacidophilic, obligate ectosymbiotic archaeon, and proposal of Nanobdellaceae fam. nov., Nanobdellales ord. nov. and Nanobdellia class. nov."
  Int. J. Syst. Evol. Microbiol. 72: 005489 (2022)
• 5. Kinjo, Y., Bourguignon, T., Hongoh, Y., Lo, N., Tokuda, G., and Ohkuma, M.:
  "Coevolution of metabolic pathways in blattodea and their Blattabacterium endosymbionts, and comparisons with other insect-bacteria symbioses"
  Microbiol. Spectr. 10: 02779-22 (2022)
• 6. Sakai, H., Nur, N., Kato, S., Yuki, M., Shimizu, M., Itoh, T., Ohkuma, M., Suwanto, A., and Kurosawa, N.:
  "Insight into the symbiotic lifestyle of DPANN archaea revealed by cultivation and genome analyses"
  Proc. Natl. Acad. Sci. USA 119: e2115449119 (2022)
• 7. Endoh, R., Horiyama, M., and Ohkuma, M.:
  "D-Fructose assimilation and fermentation by yeasts belonging to saccharomycetes: rediscovery of universal phenotypes and elucidation of fructophilic behaviors in Ambrosiozyma platypodis and Cyberlindnera americana"
  Microorganisms 9: 758 (2021)
• 8. Kato, S. and Ohkuma, M.:
  "A single bacterium capable of oxidation and reduction of iron at circumneutral pH"
  Microbiol. Spectr. 9: 00161-21 (2021)
• 9. Nishimura, Y., Otagiri, M., Yuki, M., Shimizu, M., Inoue, J., Moriya, S., and Ohkuma, M.:
  "Division of functional roles for termite gut protists revealed by single-cell transcriptomes"
  ISME J. 14: 2449-2460 (2020)
• 10. Ikeyama, N., Murakami, T., Toyoda, A., Mori, H., Iino, T., Ohkuma, M., and Sakamoto, M.:
  "Microbial interaction between the succinate‐utilizing bacterium Phascolarctobacterium faecium and the gut commensal Bacteroides thetaiotaomicron"
  MicrobiologyOpen 9: e1111 (2020)

Recent Research Results

• 

  Sep. 4, 2015
  Symbiotic bacterium in termite gut pinned down

• 

  Nov. 7, 2014
  Bacteria and immune cells forge a productive partnership

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