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Patterns of E. coli leucine tRNA isoacceptors following bacteriophage MS2 infection.

Authors
  • P Di Natale
  • D Eilat
Publication Date
Apr 01, 1976
Source
PMC
Disciplines
  • Biology
License
Unknown

Abstract

The RNA extracted from MS2 phage particles can accept radioactive leucine and serine in the presence of tRNA activating enzymes. Leucine acceptance is due to the presence of E. coli leucine tRNA that binds very tightly to the virus particle. RPC-5 column chromatography shows that the pattern of virus associated leucyl-tRNA isoacceptors is different from that of normal E. coli leucyl-tRNA. It is also different from the pattern of host leucyl-tRNA isoacceptors found in E. coli lysate following MS2 phage infection. The RPC-5 pattern of the latter tRNA shows several new peaks of leucine tRNA isoacceptors. The possibility that these tRNAs are some modified forms of normal leucine tRNA isoacceptors is suggested.

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