综合人体皮肤细菌基因组目录揭示了大量尚未探索的息地特定微生物群多样性和功能
Zhiming Li1,2,3,4, Yanmei Ju1,2,5, Jingjing Xia4,6
1BGI Research, Shenzhen, 518083, China.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|August 7, 2023
概括
研究人员通过整合深度测序数据创建了一个统一的人类皮肤基因组 (UHSG) 目录. 这份目录增强了对皮肤微生物,它们的功能以及对病原体的潜在保护机制的理解.
科学领域:
- 微生物学 微生物学
- 基因组学就是基因组学.
- 生物信息学是一种生物信息学.
背景情况:
- 皮肤是复杂的微生物生态系统与低生物量,挑战全面的物种识别.
- 现有的测序方法在充分描述皮肤微生物群的多样性和功能方面存在局限性.
研究的目的:
- 通过整合各种元基因组数据集,开发人类皮肤微生物组的全面目录.
- 描述皮肤微生物群落的功能能力和代谢潜力.
- 在人类皮肤生态系统中识别新型微生物物种和二次代谢产物.
主要方法:
- 450个面部皮肤样本的深度枪测序.
- 整合公开可用的皮肤基因组数据集 (2069个样本).
- 组装元基因组组合基因组,以创建统一的人类皮肤基因组 (UHSG) 目录.
主要成果:
- 该UHSG目录包括来自5779个基因组的813种 prokaryotic 物种,其中470种新型物种和1385种新型基因组.
- 鉴定了皮肤微生物组的核心功能,包括氨基酸和碳水化合物代谢,以及耐药性.
- 发现了1220个假设的新型二次代谢物,其中一些来自以前未被描述的基因组.
- 单核酸变体分析表明皮肤保护机制涉及负选择对条件病原体.
结论:
- 统一的人类皮肤基因组 (UHSG) 为皮肤微生物学研究提供了宝贵的参考数据库.
- 这份目录加深了我们对皮肤微生物组在健康和疾病中的作用的理解.
- 这些发现突出了新的微生物功能和皮肤表面潜在的保护机制.
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