An atlas of bacterial secondary metabolite biosynthesis gene clusters,Environmental Microbiology

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An atlas of bacterial secondary metabolite biosynthesis gene clusters
Environmental Microbiology ( IF 5.1 ) Pub Date : 2021-09-07 , DOI: 10.1111/1462-2920.15761
Bin Wei _{1,

2,

3} , Ao-Qi Du ₁ , Zhen-Yi Zhou ₁ , Cong Lai ₁ , Wen-Chao Yu ₁ , Jin-Biao Yu ₁ , Yan-Lei Yu ₁ , Jian-Wei Chen ₁ , Hua-Wei Zhang _{1,

3} , Xue-Wei Xu ₂ , Hong Wang _{1,

3}

Affiliation

Bacterial secondary metabolites are rich sources of novel drug leads. The diversity of secondary metabolite biosynthetic gene clusters (BGCs) in genome-sequenced bacteria, which will provide crucial information for the efficient discovery of novel natural products, has not been systematically investigated. Here, the distribution and genetic diversity of BGCs in 10 121 prokaryotic genomes (across 68 phyla) were obtained from their PRISM4 outputs using a custom python script. A total of 18 043 BGCs are detected from 5743 genomes with non-ribosomal peptide synthetases (25.4%) and polyketides (15.9%) as the dominant classes of BGCs. Bacterial strains harbouring the largest number of BGCs are revealed and BGC count in strains of some genera vary greatly, suggesting the necessity of individually evaluating the secondary metabolism potential. Additional analysis against 102 strains of discovered bacterial genera with abundant amounts of BGCs confirms that Kutzneria, Kibdelosporangium, Moorea, Saccharothrix, Cystobacter, Archangium, Actinosynnema, Kitasatospora, and Nocardia, may also be important sources of natural products and worthy of priority investigation. Comparative analysis of BGCs within these genera indicates the great diversity and novelty of the BGCs. This study presents an atlas of bacterial secondary metabolite BGCs that provides a lot of key information for the targeted discovery of novel natural products.

更新日期：2021-09-07

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