A Natural Product Chemist's Guide to Unlocking Silent Biosynthetic Gene Clusters.

A Natural Product Chemist's Guide to Unlocking Silent Biosynthetic Gene Clusters.
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DOI:
10.1146/annurev-biochem-081420-102432
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发表时间:
2021-06-20
影响因子:
16.6
通讯作者:
--
中科院分区:
生物学1区
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微生物天然产物提供了治疗线索的重要来源,并激励了不同科学学科的研究和创新。近年来,很明显,细菌以沉默或隐蔽的生物合成基因簇(BGC)的形式隐藏着大量潜在的天然产物。这些可以在微生物基因组序列中容易地识别,但不会产生可检测水平的天然产物。在这里,我们提供了一个有用的组织框架,已实施的各种方法,询问沉默的BGC。我们将所有可用的方法分为四类。前三种是内源性策略,利用天然宿主结合经典遗传学,化学遗传学或不同的文化模式。最后一类包括在异源宿主中表达整个BGC。对于每一个类别,我们描述的理由,最近的应用程序,以及相关的优点和局限性。
Microbial natural products have provided an important source of therapeutic leads and motivated research and innovation in diverse scientific disciplines. In recent years, it has become evident that bacteria harbor a large, hidden reservoir of potential natural products in the form of silent or cryptic biosynthetic gene clusters (BGCs). These can be readily identified in microbial genome sequences but do not give rise to detectable levels of a natural product. Herein, we provide a useful organizational framework for the various methods that have been implemented for interrogating silent BGCs. We divide all available approaches into four categories. The first three are endogenous strategies that utilize the native host in conjunction with classical genetics, chemical genetics, or different culture modalities. The last category comprises expression of the entire BGC in a heterologous host. For each category, we describe the rationale, recent applications, and associated advantages and limitations.
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