A Cutibacterium acnes antibiotic modulates human skin microbiota composition in hair follicles.

A Cutibacterium acnes antibiotic modulates human skin microbiota composition in hair follicles.
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DOI:
10.1126/scitranslmed.aay5445
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发表时间:
2020-11-18
影响因子:
17.1
通讯作者:
Lemon KP
Lemon KP
中科院分区:
医学1区
文献类型:
--
作者:
Claesen J;Spagnolo JB;Ramos SF;Kurita KL;Byrd AL;Aksenov AA;Melnik AV;Wong WR;Wang S;Hernandez RD;Donia MS;Dorrestein PC;Kong HH;Segre JA;Linington RG;Fischbach MA;Lemon KP

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在同一身体部位采样的个体之间,皮肤微生物组的组成变化很大。一个关键问题是哪些分子因素决定了皮肤亚生态系统内的应变水平变异性。我们使用基因组学指导的方法来鉴定痤疮皮肤杆菌(以前称为痤疮丙酸杆菌)中广泛分布于个体和皮肤部位的抗菌生物合成基因簇。通过对该簇的实验表征,鉴定出一种新的硫肽抗生素,cutimycin。对个体人类皮肤毛囊的分析表明,角质霉素在毛囊微生物群的化学生态学和对葡萄球菌属的定植抗性中发挥作用。广布霉素是一种由广泛分布的皮肤真菌产生的硫肽类抗生素,可减少葡萄球菌在人类毛囊中的定植。
The composition of the skin microbiome varies widely among individuals sampled at the same body site. A key question is which molecular factors determine strain-level variability within sub-ecosystems of the skin. We used a genomics-guided approach to identify an antibacterial biosynthetic gene cluster in Cutibacterium acnes (formerly Propionibacterium acnes) that is widely distributed across individuals and skin sites. Experimental characterization of this cluster identified of a new thiopeptide antibiotic, cutimycin. Analysis of individual human skin hair follicles revealed that cutimycin plays a role in the chemical ecology of follicular microbiota and in colonization resistance against Staphylococcus species. Cutimycin, a thiopeptide antibiotic produced by a widespread skin commensal, reduces Staphylococcus colonization of human follicles.
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