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Virulence characterization of <i>Campylobacter jejuni</i> isolated from resident wild birds in Tokachi area, Japan
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- SHYAKA Anselme
- Section of Food Microbiology and Immunology, Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan University of Rwanda, the College of Agriculture and Veterinary Medicine, P.O. Box 210 Musanze, Rwanda
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- KUSUMOTO Akiko
- Section of Food Microbiology and Immunology, Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan
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- CHAISOWWONG Warangkhana
- Section of Food Microbiology and Immunology, Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan Department of Veterinary Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Mae Hia, Muang, Chiang Mai 50100, Thailand
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- OKOUCHI Yoshiki
- Section of Food Microbiology and Immunology, Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan
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- FUKUMOTO Shinya
- Research Unit for Vector Biology, National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan
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- YOSHIMURA Aya
- Research Unit for Vector Biology, National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan
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- KAWAMOTO Keiko
- Section of Food Microbiology and Immunology, Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2–11 Inada, Obihiro, Hokkaido 080–8555, Japan
Bibliographic Information
- Other Title
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- Public Health : Virulence characterization of Campylobacter jejuni isolated from resident wild birds in Tokachi area, Japan
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Description
The prevalence of Campylobacter jejuni in wild birds is a potential hazard for human and animal health. The aim of this study was to establish the prevalence of C. jejuni in wild birds in Tokachi area, Hokkaido, Japan and investigate their virulence in vitro. In total, 173 cloacal swabs from individual wild birds were collected for the detection of Campylobacter spp. Thirty four samples (19.7%) were positive for Campylobacter of which 94.1% (32/34 samples) were C. jejuni. Additionally, one C. coli and one C. fetus were isolated. Seven C. jejuni isolates (one from crows and the other from pigeons) had important virulence genes including all three CDT genes (cdtA, cdtB and cdtC) and flaA, flaB, ciaB and cadF, and the other isolates were lacking cdtA gene. Further studies on in vitro virulence-associated phenotypes, such as motility assay on soft agar and invasion assay in Caco-2 cells, were performed. The wild bird C. jejuni isolates adhered and invaded human cells. Although the numbers of viable intracellular bacteria of wild bird isolates were lower than a type strain NCTC11168, they persisted at 48-hr and underwent replication in host cells.
Journal
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- Journal of Veterinary Medical Science
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Journal of Veterinary Medical Science 77 (8), 967-972, 2015
JAPANESE SOCIETY OF VETERINARY SCIENCE
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Keywords
Details 詳細情報について
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- CRID
- 1390001206428329984
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- NII Article ID
- 130005094677
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- NII Book ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- NDL BIB ID
- 026699924
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- PubMed
- 25843040
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
- NDL Search
- Crossref
- PubMed
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed