Tryptophan decarboxylase from transformed roots of Catharanthus roseus.

Abstract

Tryptophan decarboxylase (TDC, EC 4.1.1.28) from Catharanthus roseus hairy roots was purified 80-fold. Antibodies against TDC were obtained and they recognized only one protein of 55 kDa in crude extracts from hairy root cultures. Elicitation of transformed root cultures with macerozyme yielded a marked increase in TDC activity, which was accompanied by a… (More)

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