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Braz. j. med. biol. res ; 27(3): 613-21, Mar. 1994. tab, graf
Artigo em Inglês | LILACS | ID: lil-148933

RESUMO

1. The hemagglutinating (HA) and hemolytic (HL) activities mediated by egg-propagated west equine encephalomyelitis (WEE) virus preparations were investigated. 2. The purified virus preparation exhibited the best HA and HL activity at pH 6.0 and 6.0-6.2, respectively, as observed in the HA and HL tests. 3. In the virus preparations, both HA and HL activities were completely lost upon pretreatment at low pH (6.0). 4. The present results suggest that the alphavirus-mediated HA and HL activities against chicken erythrocytes can be considered to be a fusion from without


Assuntos
Animais , Embrião de Galinha , Hemaglutinação por Vírus/fisiologia , Concentração de Íons de Hidrogênio , Vírus da Encefalite Equina do Oeste/fisiologia , Hemólise , Temperatura , Fatores de Tempo
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