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Transfer Ribonucleic Acid in KB Cells Infected with Adenovirus Type 2

Karel Raka Jr., Daniel H. Frohwirth and R. Walter Schlesinger

Department of Microbiology, Rutgers Medical School, New Brunswick, New Jersey 08903

ABSTRACT

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.