Enzymatic Assays to Investigate Acyl-Homoserine Lactone Autoinducer Synthases.

Enzymatic Assays to Investigate Acyl-Homoserine Lactone Autoinducer Synthases.
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研究酰基高丝氨酸内酯自诱导剂合成酶的酶测定。

DOI:
10.1007/978-1-4939-7309-5_13
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发表时间:
2018
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Nagarajan,Rajesh
Nagarajan,Rajesh
中科院分区:
--
文献类型:
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作者:
Shin,Daniel;Nagarajan,Rajesh

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细菌使用称为自诱导物的化学分子作为选票,以投票决定它们在菌落中的数量优势。这种轮询机制,通常被称为群体感应,使细菌能够建立一个社会网络,并为抵御共同威胁提供集体反应。在革兰氏阴性菌中,阿勒脱氢酶合成酰基高丝氨酸内酯(阿勒)自诱导物,以启动几种毒性基因的表达,包括生物膜形成、蛋白酶分泌和毒素产生。因此,抑制阿勒信号合酶将限制群体感应和毒力。在这一章中,我们描述了四种酶的方法,可以通过调查广泛的阿勒酶。这里描述的酶测定应该加速我们对群体感应信号合成的机械理解,这可能为发现有效的抗毒性化合物铺平道路。
Bacteria use chemical molecules called autoinducers as votes to poll their numerical strength in a colony. This polling mechanism, commonly referred to as quorum sensing, enables bacteria to build a social network and provide a collective response for fighting off common threats. In Gram-negative bacteria, AHL synthases synthesize acyl-homoserine lactone (AHL) autoinducers to turn on the expression of several virulent genes including biofilm formation, protease secretion, and toxin production. Therefore, inhibiting AHL signal synthase would limit quorum sensing and virulence. In this chapter, we describe four enzymatic methods that could be adopted to investigate a broad array of AHL synthases. The enzymatic assays described here should accelerate our mechanistic understanding of quorum-sensing signal synthesis that could pave the way for discovery of potent antivirulence compounds.
DOI: 10.1021/bi9719861
发表时间: 1998-02-10
期刊: BIOCHEMISTRY
影响因子: 2.9
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