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Acta Virol ; 24(1): 29-36, 1980 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-6104432

RESUMEN

Fifteen temperature-sensitive (ts) mutants were isolated from 4 Venezuelan equine encephalomyelitis virus clones by nitrous acid treatment or by growing the virus in the presence of 5-fluoruracil. Three of them were classified as RNA- mutants by their inability to synthesize RNA at nonpermissive temperature (1.5-3.3% in respect to the wild type). The remaining 11 mutants showed a slight decrease of RNA synthesis at the nonpermissive temperature (32-73+) and were referred to the RNA+ phenotype. One mutant possessed RNA +/- phenotype (18%). Five complementation groups were determined by complementation analysis of the mutants.


Asunto(s)
Virus de la Encefalitis Equina Venezolana/genética , Mutación , ARN Viral/genética , Virus de la Encefalitis Equina Venezolana/efectos de los fármacos , Fluorouracilo/farmacología , Prueba de Complementación Genética , Mutágenos , Ácido Nitroso/farmacología , Fenotipo , Temperatura
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