Experimental Infection of Bovine Mammary Gland with Prototheca zopfii Genotype 1
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概要
- 論文の詳細を見る
Prototheca zopfii is divided into three genotypes, one of which, P. zopfii genotype 2, appears to be the main causative agent of bovine protothecal mastitis. However, the difference in pathogenicity between genotypes 1 and 2 has not been well investigated. In the present study, we experimentally infected normal bovine mammary gland with P. zopfii genotype 1 to investigate its pathogenicity. The mammary gland infected with P. zopfii genotype 1 showed no clinical signs. However, the histopathologic features of the infected mammary gland consisted of interstitial infiltrates of macrophages, plasma cells, lymphocytes, and fibroblasts with neutrophils in acinar lumens. Algae were present in macrophages and free in the alveolar lumens and the interstitium. Histopathology of the resultant tissue samples revealed that genotype 1 also induced a granulomatous lesion in the cow teat, similar to the mastitis lesion due to genotype 2.
- 社団法人 日本獣医学会の論文
著者
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KANO Rui
Department of Pathobiology, College of Bioresource Sciences, Nihon University
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SHIBUYA Hisashi
Laboratory of Veterinary Pathology, College of Bioresource Sciences, Nihon University
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SATO Tsuneo
Laboratory of Veterinary Pathology, College of Bioresource Sciences, Nihon University
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Kamata Hiroshi
Department Of Pathobiology Nihon University School Of Veterinary Medicine
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Kano Rui
Department Of Pathobiology Nihon University School Of Veterinary Medicine
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HASEGAWA Atsuhiko
Teikyo University Institute of Medical Mycology
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Shibuya Hisashi
Laboratory Of Veterinary Pathology College Of Bioresource Sciences Nihon University
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Hasegawa Atsuhiko
Teikyo Univ. Inst. Medical Mycology Tokyo
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ITO Takaaki
Okazaki Branch of Veterinary Hospital Aichi P.F.A.M.A.A.
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SOBUKAWA Hideto
Department of Pathobiology, Nihon University School of Veterinary Medicine
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OGAWA Jin
Meat Inspection Center, Toyohashi City
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HONDA Yayoi
Meat Inspection Center, Toyohashi City
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HOSOI Yoshihiro
Meat Inspection Center, Toyohashi City
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Sato Tsuneo
Laboratory Of Veterinary Pathology College Of Bioresource Sciences Nihon University
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