Differences in the levels of aminoacylation and contents of modified nucleotides between total tRNAs from N2- and NH4(+)-grown Azospirillum lipoferum cells.

Abstract

Total tRNAs isolated from N2- and NH4(+)-grown Azospirillum lipoferum cells were compared with respect to amino acid acceptance, isoacceptor tRNA species levels and extent of nucleotide modifications. Amino-acylation of these two tRNA preparations with ten different amino acids indicated differences in the relative acceptor activities. Comparison of… (More)

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