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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
1999-3-18
pubmed:abstractText
A seroprevalence study of bovine lentivirus, known as bovine immunodeficiency virus (BIV), was conducted in 12 different dairy herds in Hokkaido, where some herds were a high prevalence of bovine leukemia virus (BLV) infection. Amongst 611 cattle, 28.6% of cattle were BLV-seropositive, and 11.7% of cattle were seropositive for BIV, while 4.2% of cattle were seropositive for both BIV and BLV. For the isolation of BIV, 19 samples of peripheral blood mononuclear cells (PBMC) and one sample of milk-derived leukocytes were prepared from BIV-seropositive cows. These PBMC and leukocyte preparations were then co-cultivated with cc81 cells, a cat cell line transformed by mouse sarcoma virus. BIV was isolated from 17 PBMC and one milk-derived leukocyte samples. The isolated viruses showed slow replication and syncytia formation. Major core antigen, p26 from these isolates were reacted with anti-BIV (American isolate R-29) serum. In addition, proviral DNA was detected in blood and milk samples by nested polymerase chain reaction and subsequent Southern blot hybridization. Nucleotide sequence analysis of the amplified pol gene products showed its 99.0 to 99.7% homology to that of BIV R-29. These results indicate that the Japanese BIV isolates appear to be antigenically and genetically similar to the American R-29. Since BIV was isolated from milk samples, BIV could possibly be transmitted through milk. This is the first report of BIV isolation in Japan.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0916-7250
pubmed:author
pubmed:issnType
Print
pubmed:volume
60
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1195-202
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed-meshheading:9853299-Amino Acid Sequence, pubmed-meshheading:9853299-Animals, pubmed-meshheading:9853299-Antibodies, Viral, pubmed-meshheading:9853299-Base Sequence, pubmed-meshheading:9853299-Blotting, Western, pubmed-meshheading:9853299-Cats, pubmed-meshheading:9853299-Cattle, pubmed-meshheading:9853299-Cattle Diseases, pubmed-meshheading:9853299-Cell Line, pubmed-meshheading:9853299-Cell Transformation, Viral, pubmed-meshheading:9853299-Coculture Techniques, pubmed-meshheading:9853299-DNA, Viral, pubmed-meshheading:9853299-Enzootic Bovine Leukosis, pubmed-meshheading:9853299-Fluorescent Antibody Technique, pubmed-meshheading:9853299-Immunodeficiency Virus, Bovine, pubmed-meshheading:9853299-Immunodiffusion, pubmed-meshheading:9853299-Lentivirus Infections, pubmed-meshheading:9853299-Leukemia Virus, Bovine, pubmed-meshheading:9853299-Leukocytes, Mononuclear, pubmed-meshheading:9853299-Milk, pubmed-meshheading:9853299-Molecular Sequence Data, pubmed-meshheading:9853299-Polymerase Chain Reaction, pubmed-meshheading:9853299-Sarcoma Viruses, Murine, pubmed-meshheading:9853299-Seroepidemiologic Studies, pubmed-meshheading:9853299-Viral Load, pubmed-meshheading:9853299-Virus Replication
pubmed:year
1998
pubmed:articleTitle
Seroprevalence and field isolation of bovine immunodeficiency virus.
pubmed:affiliation
Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Japan.
pubmed:publicationType
Journal Article