BIOCHEMICAL STUDIES ON THE FORMATION OF THE SILKPROTEIN

Description

1. To clarify the conversion of phenylalanine to tyrosine in the silkworm, isotopic phenylalanine-2-C14 was injected into the silkworm body at the 5th stage, and the radioactivity of tyrosine isolated from the produced cocoon fibres was detected.<br> 2. Tyrosine, being one of the main constituent amino acids of the silkprotein, is synthesized from phenylalanine in the silkworm body and then is used for the biosynthesis of the silkproteins.

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