Reversed phase chromatography of isoaccepting tRNA's from healthy and crown gall tissues from Nicotiana tabacum.
AUTOR(ES)
Cornelis, P
RESUMO
RPC 5 (Reversed Phase Chromatography) of aminoacyl-tRNA's from healthy and crown gall (induced by Agrobacterium tume-faciens strain B6) tobacco tissues were compared for eleven amino acids. For ten amino acids: alanine, arginine, glutamic acid, glycine, isoleucine, leucine, lysine, methionine, tyrosine, and valine, no qualitative or quantitative differences could be detected between aminoacyl-tRNA's from both sources. Phenylalanyl-tRNA's from crown gall tissues gave two peaks on RPC 5; the minor early eluting species (peak 1) was always absent in elution profiles of phenylalanyl-tRNA's from healthy tissues or from tobacco leaves. After the "Y" base was removed by pH 2.9 treatment, peak 2 of phenylalanine tRNA was shifted to the position of peak 1.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=343502Documentos Relacionados
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