Breaking the silence: new strategies for discovering novel natural products.

Breaking the silence: new strategies for discovering novel natural products.
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DOI:
10.1016/j.copbio.2017.02.008
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发表时间:
2017-12
影响因子:
7.7
通讯作者:
Zhao H
Zhao H
中科院分区:
工程技术1区
文献类型:
--
作者:
Ren H;Wang B;Zhao H

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几十年来,天然产物一直是抗菌和抗癌药物的丰富来源。天然产物发现中的主要挑战之一是绝大多数天然产物生物合成基因簇(BGC)尚未被表征,部分原因是它们在标准实验室条件下要么转录沉默要么以非常低的水平表达。在这里,我们描述了近年来(主要是在2014-2016年之间)开发的激活沉默BGC的策略。这些策略可以大致分为两类:在天然宿主中的方法和在异源宿主中的方法。此外,我们简要讨论了最近的进展,开发新的计算工具,用于识别和表征的BGC和高通量的方法检测天然产物。
Natural products have been a prolific source of antibacterial and anticancer drugs for decades. One of the major challenges in natural product discovery is that the vast majority of natural product biosynthetic gene clusters (BGCs) have not been characterized, partially due to the fact that they are either transcriptionally silent or expressed at very low levels under standard laboratory conditions. Here we describe the strategies developed in recent years (mostly between 2014–2016) for activating silent BGCs. These strategies can be broadly divided into two categories: approaches in native hosts and approaches in heterologous hosts. In addition, we briefly discuss recent advances in developing new computational tools for identification and characterization of BGCs and high-throughput methods for detection of natural products.
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