Frequent infection of Hylobates pileatus (pileated gibbon) with species-associated variants of hepatitis B virus in Cambodia

1 Institut Pasteur du Cambodge, 5 Boulevard Monivong, Phnom Penh, Cambodia 2 Centre for Infectious Diseases, University of Edinburgh, Summerhall, Edinburgh EH9 1QH, UK 3 Phnom Tamao Wildlife Rescue Center, Takeo Province, Cambodia 4 WildAid Cambodia, Villa 109, Street 99, Chamcarmon District, Phnom...

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Bibliographic Details
Published in:	Journal of general virology Vol. 86; no. 2; pp. 333 - 337
Main Authors:	Sall, A. A, Starkman, S, Reynes, J. M, Lay, S, Nhim, T, Hunt, M, Marx, N, Simmonds, P
Format:	Journal Article
Language:	English
Published:	Reading Soc General Microbiol 01-02-2005 Society for General Microbiology Microbiology Society
Subjects:	Animal biology Animals Biological and medical sciences Cambodia Cambodia - epidemiology Disease Reservoirs Disease Reservoirs - veterinary DNA, Viral DNA, Viral - analysis Fundamental and applied biological sciences. Psychology Hepatitis B Hepatitis B - blood Hepatitis B - epidemiology Hepatitis B - veterinary Hepatitis B Antibodies Hepatitis B Antibodies - blood Hepatitis B Surface Antigens Hepatitis B Surface Antigens - immunology Hepatitis B virus Hepatitis B virus - genetics Hepatitis B virus - isolation & purification Human health and pathology Human viral diseases Hylobates Hylobates - virology Hylobates pileatus Infectious diseases Life Sciences Medical sciences Microbiology Microbiology and Parasitology Miscellaneous Molecular Sequence Data Phylogeny Santé publique et épidémiologie Species Specificity Veterinary medicine and animal Health Viral diseases Viral hepatitis Virology Cambodia Asia Infection Virus Viral hepatitis B Associated virus Microbiology Hepadnaviridae Viral disease Orthohepadnavirus Digestive diseases Hepatic disease Hepatitis B virus Virology
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Summary:	1 Institut Pasteur du Cambodge, 5 Boulevard Monivong, Phnom Penh, Cambodia 2 Centre for Infectious Diseases, University of Edinburgh, Summerhall, Edinburgh EH9 1QH, UK 3 Phnom Tamao Wildlife Rescue Center, Takeo Province, Cambodia 4 WildAid Cambodia, Villa 109, Street 99, Chamcarmon District, Phnom Penh, Cambodia Correspondence P. Simmonds Peter.Simmonds{at}ed.ac.uk As well as being distributed widely in human populations, hepatitis B virus (HBV) infections occur frequently in chimpanzee, gibbon and other ape populations in sub-Saharan Africa and South-East Asia. To investigate the frequency and genetic relationships of HBV infecting gibbons in Cambodia, pileated gibbons ( Hylobates pileatus ) that were originally wild-caught were screened for surface antigen. Twelve of 26 (46 %) were positive, of which 11 were positive for HBV DNA. Phylogenetic analysis of complete genome sequences revealed two distinct genetic groups in the gibbon/orangutan clade. Three were similar to previously described variants infecting H. pileatus in Thailand and eight formed a distinct clade, potentially representing distinct strains of HBV circulating in geographically separated populations in South-East Asia. Because of the ability of HBV to cross species barriers, large reservoirs of infection in gibbons may hamper ongoing attempts at permanent eradication of HBV infection from human populations in South-East Asia through immunization. The GenBank/EMBL/DDBJ accession numbers for the sequences obtained in this study are AY781177AY781187. Present address: Institut Pasteur de Dakar, 36 Avenue Pasteur, Dakar, Senegal.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0022-1317 1465-2099
DOI:	10.1099/vir.0.80274-0