TRANSLATION OF MESSENGER-RNA SPECIFIC FOR TYROSINE AMINOTRANSFERASE IN OOCYTES OF XENOPUSLAEVIS

Injection of rat liver polysomal poly(A)-containing RNA into oocytes of X. laevis results in synthesis of a protein whose immunochemical and electrophoretic characteristics are identical to liver tyrosine aminotransferase [EC 2.6.1.5]. Poly(A)-RNA from hydrocortisone-treated rat liver stimulates about 5 times more aminotransferase synthesis than does poly(A)-RNA from controls, establishing that the steroid hormone increases the level of functional hepatic tyrosine aminotransferase mRNA.