2002
DOI: 10.1128/jvi.76.18.9516-9525.2002
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Molecular Evolution of Hepatitis A Virus: a New Classification Based on the Complete VP1 Protein

Abstract: Hepatitis A virus (HAV) is a positive-stranded RNA virus in the genus

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Cited by 145 publications
(145 citation statements)
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References 59 publications
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“…The remaining 61 isolates of subtype 1a, including the Ne131-1997 isolate, had an identical amino acid sequence, indicating that the majority of mutations observed in the 1a isolates were silent mutations resulting in no change in the amino acid sequence. This suggests that the pattern of divergence observed in a part of the ORF2 gene encoding a capsid protein is due to selective forces that do not allow amino acid substitutions, as was reported for the HAV VP1 protein (Costa-Mattioli et al, 2002). Only a single serotype is recognized for HAV, although HAV strains are classified into multiple genotypes, similar to HEV (Hollinger & Emerson, 2001).…”
Section: Discussionmentioning
confidence: 91%
“…The remaining 61 isolates of subtype 1a, including the Ne131-1997 isolate, had an identical amino acid sequence, indicating that the majority of mutations observed in the 1a isolates were silent mutations resulting in no change in the amino acid sequence. This suggests that the pattern of divergence observed in a part of the ORF2 gene encoding a capsid protein is due to selective forces that do not allow amino acid substitutions, as was reported for the HAV VP1 protein (Costa-Mattioli et al, 2002). Only a single serotype is recognized for HAV, although HAV strains are classified into multiple genotypes, similar to HEV (Hollinger & Emerson, 2001).…”
Section: Discussionmentioning
confidence: 91%
“…Se ha estudiado la diversidad genética del VHA utilizando principalmente tres regiones del genoma: la C-terminal de VP3, la N-terminal de VP1 y la VP1-2A (22,23,57), aunque también se han usado las regiones VP1-2B (58), VP3-2B y VP1 (59). En 2008, Joshi y colaboradores (50) comprobaron mediante diferentes mé-todos filogenéticos que estas regiones tienen del 80% al 85% de identidad nucleotídica, por lo que no son candidatas para genotipificar y subgenotipificar.…”
Section: Genotipos Del Vhaunclassified
“…El virus de la hepatitis A pertenece a la familia Picornaviridae, género Hepatovirus; se ha descrito un solo serotipo y siete genotipos cuya presencia se ha asociado a zonas geográficas. Por pertenecer a esta familia, se encuentra genéticamente relacionado con el virus de la poliomielitis y el de la fiebre aftosa (4)(5)(6)(7). La infección por este virus puede no producir síntomas, lo que lleva a subestimar su presencia y a encontrar un porcentaje alto de la población con títulos positivos de anticuerpos en edad adulta (4).…”
unclassified