JC virus Type 1 has multiple subtypes: three new complete genomes.

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JC virus Type 1 has multiple subtypes: three new complete genomes.

The complete genomes of three new Type 1 strains of JC virus (JCV) from urine have been analysed. These were subtype 1A, subtype 1B and Type 4 as assigned from a short typing fragment in the VP1 gene. They differ from Mad1 (subtype 1A) by less than 1.0% of the DNA sequence. Based on its complete genome, the JCV Type 4 strain falls into a Type 1 subgroup. Type 4, with several Type 3-like sites i...

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Multiple JC virus genomes from one patient.

JC virus was previously isolated from the urine and from diseased brain of a patient with progressive multifocal leukoencephalopathy. The DNAs of these isolates, MAD-7 and MAD-8 respectively, were shown in this study to be mixtures of several different full-length genomes. By differences in their restriction endonuclease cleavage patterns, the genomes were categorized into two types. Type I DNA...

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Human immunodeficiency virus type-1 (HIV-1) subtypes in Jamaica.

The subtypes of 141 isolates of human immunodeficiency virus type-1 (HIV-1) from Jamaica were determined by a combination of env and gag heteroduplex mobility analysis (HMA) genotyping. The majority of HIV-1 isolates were subtype B (131/141, 93.0%); one (0.8%) isolate each of subtypes C, D and E was found and 7 (4.9%) were indeterminate. These results and the failure of the sets of primers used...

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Human Immunodeficiency Virus Type 1 Subtypes Prevalence in Central China

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ژورنال

عنوان ژورنال: Journal of General Virology

سال: 1998

ISSN: 0022-1317,1465-2099

DOI: 10.1099/0022-1317-79-4-801