色氨酸酶基因工程菌酶法合成L-色氨酸
Enzymatica synthesis of L-Tryptophan by tryptophanase expressed in genetic genetic engineering strain
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Abstract: OBJECTIVE:L-Tryptophan was enzymatically synthesized by tryptophanase with the substrates of L-serine and indole in genetic engineering strain.METHOD:Tryptophanase was expressed in engineering strain which was induced by IPTG.The engineering strain free c