A metagenomic strategy for harnessing the chemical repertoire of the human microbiome
0301 basic medicine
03 medical and health sciences
Host Microbial Interactions
13. Climate action
Microbiota
Multigene Family
Polyketides
Humans
Metagenome
Metagenomics
3. Good health
DOI:
10.1126/science.aax9176
Publication Date:
2019-10-03T23:05:14Z
AUTHORS (8)
ABSTRACT
Prospecting for drugs in the microbiome
The microbiome is an important source of natural products that can profoundly influence health and disease in the host. Sugimoto
et al.
constructed a modular, probabilistic strategy called
MetaBGC
to uncover biosynthetic gene clusters (BGCs) in human microbiome samples (see the Perspective by Henke and Clardy). The authors found geographic and strain-specific distributions of BGCs. By zeroing in on two type II aromatic polyketides, the native organisms were identified, the BGCs were reconstructed in
Streptomyces
, and the products were characterized. When expressed in
Bacillus subtilis
, the products resembled currently used anticancer drugs and antibiotics. These polyketides were not cytotoxic but had inhibitory activity against oral Gram-positive bacteria, which may reflect the niche and ecology of the originating organisms.
Science
, this issue p.
eaax9176
; see also p.
1309
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