Transfer Ribonucleic Acid in KB Cells Infected with Adenovirus Type 2
AUTOR(ES)
Raška, Karel
RESUMO
Populations of transfer ribonucleic acid (tRNA) extracted from control and type 2 adenovirus (Ad2)-infected KB cells were compared. No consistent differences in acceptor activity for 11 amino acids were observed. Comparison of methylated albumin-kieselguhr (MAK) elution profiles of arginyl-tRNA from control and infected cells revealed a minor modification in that the proportion of arginyl-tRNA eluting at high salt concentration was somewhat greater in infected cells. No similar differences were observed in MAK elution profiles of aspartyl-, isoleucyl-, leucyl-, phenylalanyl-, seryl-, tyrosyl-, and valyl-tRNA. Hybridization of 4S RNA from infected cells labeled by incorporation of 3H-uridine with Ad2 deoxyribonucleic acid revealed the presence of a complementary species of RNA in this preparation. Hybridization of 3H-arginyl-tRNA and of 3H-aminoacyl-tRNA labeled by charging with 3H-arginine or a 3H-mixture of amino acids, respectively, failed to detect the presence of virus-specific tRNA in Ad2-infected cells.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=376028Documentos Relacionados
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