Seroprevalence and molecular evidence for the presence of bovine immunodeficiency virus in Brazilian cattle
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概要
- 論文の詳細を見る
Data on the worldwide distribution of bovine immunodeficiency virus (BIV) and bovine leukemia virus (BLV) is limited. A prevalence study of antibodies to BIV and BLV was conducted in six different cattle herds in Brazil. Out of a total of 238 sera analyzed, 11.7% were found positive for anti-BIV p26 antibodies as determined by Western blot analysis, 2.1% were positive for anti-BLV gp51 antibodies as detected by immunodiffusion test. Peripheral blood mononuclear cells from BIV seropositive cattle were found to have BIV-provirus DNA, as detected by nested polymerase chain reaction. A nucleotide sequence corresponding to a 298 bp fragment of the BIV pol gene was also analyzed. Amino acid sequences of these Brazilian pol gene products showed 98.0 to 100% homology to the American strain BIV R29, 97.0 to 99.0% to Japanese BIV isolates, and divergence ranged from 0 to 4.0% among Brazilian BIV isolates. This evidence of the presence of BIV and BLV infections in Brazil should be considered a health risk to Brazilian cattle populations and a potential causative agent of chronic disease in cattle.
- 北海道大学の論文
- 2002-05-31
著者
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Chang K‐s
Department Of Disease Control Graduate School Of Veterinary Medicine Hokkaido University
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Meas Sothy
北海道大学大学院獣医学研究科感染症学教室
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Meas Sothy
Laboratory Of Infectious Diseases Department Of Disease Control Graduate School Of Veterinary Medici
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メアス ソティ
北海道大学大学院獣医学研究科感染症学教室
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Masuda Aoi
Centro De Biotecnologia Do Rs
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OHASHI Kazuhiko
Laboratory of Infectious Diseases, Granduate School of Veterinary Medicine, Hokkaido University
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ONUMA Misao
Laboratory of Infectious Disease, Graduate School of Veterinary Medicine, Hokkaido University
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Okuma Katashi
Department Of Clinical Laboratory Aichi Cancer Center Hospital
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Ohashi Kazuhiko
Hokkaido Univ. Sapporo Jpn
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Ohashi Kazuhiko
Laboratory Of Infectious Diseases Department Of Disease Control Graduate School Of Veterinary Medici
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Ohashi K
Laboratory Of Infectious Diseases Graduate School Of Veterinary Medicine Hokkaido University
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Nakazato Yoshikazu
Department Of Clinical Studies Samora Machel School Of Veterinary Medicine University Of Zambia
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Onuma Misao
Laboratorie Of Infectious Disease Graduate School Of Veterinary Medicine Hokkaido University
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Onuma M
Department Of Disease Control Graduate School Of Veterinary Medicine Hokkaido University
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Mulenga Albert
Laboratory Of Infectious Diseases Department Of Disease Control Graduate School Of Veterinary Medici
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Usui Tatsufumi
Laboratory of Infectious Diseases, Department of Disease Control, Graduate School of Veterinary Medi
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RUAS Farias
Centro de Biotecnologia do RS
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TERAOKA Yoshiyuki
Laboratory of Infectious Diseases, Department of Disease Control, Graduate School of Veterinary Medi
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CHANG Kyung-Soo
Laboratory of Infectious Diseases, Department of Disease Control, Graduate School of Veterinary Medi
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MADRUGA Claudo
Embrapa Gado de Corte
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Usui Tatsufumi
Laboratory Of Infectious Diseases Department Of Disease Control School Of Veterinary Medicine Hokkai
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Ohashi Kazuhiko
Laboratory Of Infectious Disease Graduate School Of Veterinary Medicine Hokkaido University
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Teraoka Yoshiyuki
Laboratory Of Infectious Diseases Department Of Disease Control School Of Veterinary Medicine Hokkai
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Meas Sothy
Laboratory Of Infectious Diseases Department Of Disease Control Graduate School Of Veterinary Medici
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