Abstract
Within 3 hr after the intraperitoneal administration of hydrocortisone to female rats, a new leucine-accepting tRNA and a new leucyl-tRNA synthetase activity appear in the liver cytosol. The new isoaccepting tRNA can be acylated only with the synthetase derived from livers of hormone-treated animals. Both components are transient; by 12 hr after hydrocortisone administration, the isoaccepting tRNA and its synthetase disappear from livers of treated animals.
Keywords: hormones, steroid, aminoacyl-tRNA synthetases, isoaccepting tRNAs
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Selected References
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