Prevalence of Virulent Rhodococcus equi in Soil Environment on a Horse-Breeding Farm in Tennessee, U.S.A.
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- TAKAI Shinji
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- YAMATODA Noriko
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- KIMURA Ayumi
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- SASAKI Yukako
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- KAKUDA Tsutomu
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- TSUBAKI Shiro
- Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University
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- BEMIS David
- College of Veterinary Medicine, University of Tennessee
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- BRACE James J.
- College of Veterinary Medicine, University of Tennessee
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Virulent Rhodococcus equi is an important pathogen in foals aged 1 to 3 months, but its incidence in Tennessee, U. S. A., is poorly understood. Ten soil samples were collected from a Tennessee walking horse farm in Tennessee. The presence of R. equi was investigated and 107 isolates were tested for the presence of 15- to 17-kDa antigens (VapA) by immunoblotting and PCR. R. equi was isolated (103-104 colony forming units/g) from 8 of the 10 soil samples. Twenty-four VapA-positive isolates were detected from 7 of the 8 culture-positive samples with a prevalences ranging from 6.7 to 50%. Of the 24 virulent isolates, 21 contained an 85-kb type I plasmid, and 3 contained an 85-kb type III plasmid which had been uniquely isolated from soil isolates in Texas. There was no evidence of R. equi infection on the farm, but the virulent form was widespread in the soil environment of the farm.<br>
収録刊行物
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- Journal of Equine Science
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Journal of Equine Science 15 (3), 75-79, 2004
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詳細情報 詳細情報について
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- CRID
- 1390001204369484928
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- NII論文ID
- 30002175463
- 130004431209
- 10014018545
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- NII書誌ID
- AA11010806
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- ISSN
- 13477501
- 13403516
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- NDL書誌ID
- 7151260
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可