大规模整合安普利康数据揭示了沙螺旋体内的巨大多样性,主要来自盐水环境
Rafaila Nikola Mourgela1, Antonios Kioukis2, Mohsen Pourjam3
1School of Chemical and Environmental Engineering, Technical University of Crete, 73100 Chania, Greece.
Microorganisms
|July 29, 2023
概括
这项研究使用公开的序列数据揭示了细菌序列Saprospirales中的巨大,以前未知的多样性. 研究人员确定了成千上万的新型分子家族,属和物种,扩大了我们对微生物生命的理解.
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:
- 细菌系Saprospirales,包括Saprospiraceae,Lewinellaceae和Haliscomenobacteraceae家族,以复杂的降解途径而闻名.
- 目前对Saprospirales多样性的理解受到传统的基于文化的隔离方法的限制.
研究的目的:
- 通过使用公共序列存储库和先进的分析工具,评估Saprospirales序列的全球,基于证据的多样性.
- 在Saprospirales中识别新的分子家族,属和物种.
主要方法:
- 来自公共存储库的广泛序列数据的分析.
- 应用最近的生物信息学工具来评估分子多样性.
- 新型分子实体的量化及其环境流行情况.
主要成果:
- 发现了1183个新型分子家族,15,033个新型分子属,188,000个新型分子物种.
- 鉴定了7个新型家族,464个新型属和1565种,丰度≥0.1%.
- 在多种不同的环境中检测到的沙螺旋体,盐水的流行率最高,生物反应堆/废水处理厂的丰度最高.
结论:
- 这项研究显著扩大了已知的Saprospirales序列的多样性,揭示了大量的"微生物暗物质"成分.
- 莱温氏家族和萨普罗斯皮拉氏家族分别拥有最普遍和最丰富的物种.
- 这些发现为未来针对Saprospirales的生态角色和功能进行有针对性的研究提供了基础.
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