Profile Information
- Affiliation
- Professor, Faculty of Veterinary Science, School of Veterinary Nursing and Technology, Department of Veterinary Nursing Technology, Division of Applied Science, Nippon Veterinary and Life Science University
- J-GLOBAL ID
- 200901088174470700
- researchmap Member ID
- 5000096536
Research Interests
9Research Areas
4Papers
60-
The Journal of veterinary medical science, 82(6) 735-739, Apr 9, 2020 Peer-reviewedA Japanese resident bird, Phalacrocorax carbo hanedae (Japanese name: Kawa-u), was threatened with extinction due to deterioration of its habitat in the 1970s, but the population has since recovered thanks to environmental protection measures. This study analyzed the genetic diversity of 18 Kawa-u individuals living in the basins of the Abe and Warashina rivers in Shizuoka Prefecture, Japan. We obtained seven haplotypes of mitochondrial D-loop sequences and compared them with 49 European P. carbo D-loop haplotypes. We identified four new haplotypes but no clear genetic evidence distinguishing the Kawa-u as a distinct subspecies of P. carbo. Our results suggest the need for further surveillance of the P. carbo genetic lineage, regardless of the geographical distribution.
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Animals, 10(617) 1-9, Apr, 2020 Peer-reviewedCorresponding author
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J. Appl. Microbiol., Sep, 2019 Peer-reviewed
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Bull. Nippon Vet. Life Sci. Univ., 67 56-61, Dec, 2018 Peer-reviewed
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Bull. Nippon Vet. Life Sci. Univ., 67 30-35, Dec, 2018 Peer-reviewed
Misc.
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Food microbiology, 86 103312-103312, Apr, 2020Some Listeria monocytogenes strains are persistent in food processing environments, where this pathogen may be subjected to various stresses. This study aimed to elucidate the response of persistent strains of L. monocytogenes to low pH and H2O2 exposure. Almost all of the persistent strains examined were highly susceptible to low pH, whereas H2O2 susceptibility was comparable to that of control strains. Two persistent strains isolated from the same sample, however, exhibited lower susceptibility to low pH. These findings suggest an acid-susceptible phenotype predominates in the habitat, indicating that environmental conditions contribute to the establishment of persistence. Representative strains exhibiting acid-susceptible and less acid-susceptible phenotypes were further investigated regarding acid response characteristics. Less acid-susceptible strains exhibited increased survival in acidified brain heart infusion (BHI) broth compared with acidified phosphate-buffered saline (PBS). These strains also exhibited increased survival in acidified PBS containing glucose and glutamate, which are involved in acid response mechanisms, compared with acidified PBS alone. However, neither acidified BHI broth nor exogenous glucose and glutamate increased survival of acid-susceptible strains. An adaptive acid tolerance response of the acid-susceptible phenotype was observed, but this was limited compared with that of the less acid-susceptible phenotype.
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The bulletin of the Nippon Veterinary and Zootechnical College, 36 16-19, 1987
Books and Other Publications
5-
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インターズー, Oct 15, 2019 (ISBN: 4866710853)
Presentations
64-
2nd World Congress on Oleo Science, Aug 23, 2022
Professional Memberships
1Research Projects
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Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2017
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受託研究, 2005 - 2008
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Funded Research, 2005 - 2008
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2005