色氨酸合成酶

IAA氧化酶和细胞分裂素氧化酶活性表现为不育系高于其相应的可育系，色氨酸合成酶则是不育系低于其可育系。

The activity of IAA oxidase and cytokinin oxidase was significantly higher in CMS anther , but the activity of tryptophan synthetase was lower than in fertile anther .

工程菌邻氨基苯甲酸合成酶活性提高140%，色氨酸合成酶活性提高166%。为解决高密度发酵过程中通常存在的溶氧限制问题，将透明颤菌血红蛋白基因（vgb）引入工程菌MD-trp-06中。

The anthranilate synthetase activity of the engineering strain increased by 140 % , and tryptophan synthetase activity increased 166 % . To address dissolved oxygen limitation that is usually present in high-density fermentation , the Vitreoscilla hemoglobin gene ( vgb ) was cloned into engineering strain MD-trp-06 .

色氨酸合成酶（TSB）和色氨酸脱羧酶（TDC）是喜树碱合成过程中连接初生代谢和次生代谢过程的两个关键酶。

Tryptophan synthase ( TSB ) and tryptophan decarboxylase ( TDC ) are two key enzymes in camptothecin biosynthetic pathway as they links primary and secondary metabolism .

色氨酸合成酶的酶的活性增强，加入多羟基化合物。

The enzymatic activity of tryptophan synthase was enhanced by adding polyhydroxy compounds .

在含有过量色氨酸的培养基中培养的大肠杆菌BT（Trp，积累邻氨基苯甲酸），没有色氨酸合成酶和邻氨基苯甲酸合成酶的活性（被阻遏）。

When E. coli BT ( Trp - accumulates anthranilate ) was grown in medium containing an excess amount of tryptophan , the activities of tryptophan synthetase and anthranilate synthetase were not detected ( repressed ) .