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CDNA sequence analysis confirms that the etiologic agent of callitrichid hepatitis is lymphocytic choriomeningitis virus.

ABSTRACT: Callitrichid hepatitis is an infection of New World primates caused by an arenavirus, currently referred to as callitrichid hepatitis virus, that is closely related to lymphocytic choriomeningitis virus (LCMV). We have cloned and sequenced the GP-C gene of callitrichid hepatitis virus and found that the cDNA sequence is 84 to 86% identical to those of the GP-C genes of LCMV strains Armstrong and WE, while the deduced amino acid sequence is 95 to 96% identical to those of the GP-C gene products of the same strains. This high degree of similarity indicates that the etiologic agent of callitrichid hepatitis is in fact LCMV. The wide geographic distribution of callitrichid hepatitis outbreaks in the United States serves as a reminder that LCMV is also a human pathogen whose public health implications are not well understood.

SUBMITTER: Stephensen CB

PROVIDER: S-EPMC188719 | biostudies-other | 1995 Feb

REPOSITORIES: biostudies-other

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cDNA sequence analysis confirms that the etiologic agent of callitrichid hepatitis is lymphocytic choriomeningitis virus.

Stephensen C B CB Park J Y JY Blount S R SR

Journal of virology 19950201 2

Callitrichid hepatitis is an infection of New World primates caused by an arenavirus, currently referred to as callitrichid hepatitis virus, that is closely related to lymphocytic choriomeningitis virus (LCMV). We have cloned and sequenced the GP-C gene of callitrichid hepatitis virus and found that the cDNA sequence is 84 to 86% identical to those of the GP-C genes of LCMV strains Armstrong and WE, while the deduced amino acid sequence is 95 to 96% identical to those of the GP-C gene products o ...[more]

PMID: 7815520

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Project description:Drug resistance resulting from reverse transcriptase (RT) mutations is one of the main obstacles to successful hepatitis B virus (HBV) therapy. Indeed, HBV treatment guidelines recommend HBV genotypic resistance testing for patients receiving nucleos(t)ide RT inhibitors (N(t)RTIs) who develop virological failure. N(t)RTI-resistance mutations at 10 RT positions have been well characterized in phenotypic studies, however, data are lacking on the relative frequency of these mutations in N(t)RTI-treated and untreated individuals. There are also few published data on the extent of amino acid variation at most of the 344 positions of HBV RT and the extent to which this variation is influenced by N(t)RTI treatment. We retrieved 23,871 HBV RT sequences from GenBank and reviewed the published reports of these sequences to ascertain the number of individuals from whom the sequences were obtained, the N(t)RTI treatments of these individuals, and the year and region of virus sampling. We then used these data to populate a relational database we named HBVrtDB. As of July 2010, HBVrtDB contained 6811 sequences from 3869 individuals reported in 281 references. Among these 3869 individuals, 73% were N(t)RTI-naïve and 27% received one or more N(t)RTIs. Among the 10 well-characterized N(t)RTI-resistance mutations, L80I/V, V173L, L180M, A181T, T184S, S202G and M204I/V were significantly associated with treatment with lamivudine, an l-nucleoside analog, and A181S/T/V and N236T were significantly associated with treatment with adefovir, an acyclic nucleoside phosphonate. A similar analysis of ten additional less well-characterized resistance mutations demonstrated a significant association with N(t)RTI treatment for four of the mutations: L82M, S85A, A200V, and Q215S. We also created an interactive program, HBVseq, to enable users to identify mutations in submitted sequences and retrieve the prevalence of these mutations in HBVrtDB according to genotype and N(t)RTI treatment. HBVrtDB and HBVseq are available at http://hivdb.stanford.edu/HBV/releaseNotes/.

Dataset Information

CDNA sequence analysis confirms that the etiologic agent of callitrichid hepatitis is lymphocytic choriomeningitis virus.

Publications

cDNA sequence analysis confirms that the etiologic agent of callitrichid hepatitis is lymphocytic choriomeningitis virus.

Similar Datasets

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