The QS molecules also switch on bacterial weapons such as 'elastase', an enzyme which breaks down elastic tissue in the lung.

内部传感分子同时也是细菌武器，如弹性蛋白酶的开关，该酶能够破坏肺内的弹性组织。

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Methods: We examined and observed 52 patients with typhoid and 20 normal controls by bacterial culture, Widal reaction, and enzyme-linked immunoassay for detection of typhoid bacilli H antigen.

方法该文采用细菌培养、肥达反应、伤寒杆菌H抗原酶联免疫检测检查52例伤寒患者，20例正常人，进行对照观察。

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The salicylate hydroxylase, a important enzyme in bacterial naphthalene degradation pathway, catalyzes the decarboxylative hydroxylation of salicylate to form catechol.

水杨酸羟化酶是细菌萘降解途径中的关键酶，它能催化水杨酸脱羟和羟化，生成儿茶酚。

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So the last step on the winding road was the creation of a bacterial strain without any restriction-enzyme genes, and thus without restriction enzymes, so that the team could have a purified reaction vessel in which the new genome could do its thing.

ECONOMIST: Artificial lifeforms