酸性矿山废水中矿物类型主导微生物组和生物地球化学循环

IF 12.4 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Water Research Pub Date : 2025-02-22 DOI:10.1016/j.watres.2025.123367

Ye Huang , Xiu-Tong Li , Zhen Jiang , Zong-Ling Liang , Wan Liu , Zheng-Hua Liu , Liang-Zhi Li , Zhen-Ni Yang , Guo-Qing Zhang , Hua-Qun Yin , Jie-Liang Liang , Nan Zhou , Shuang-Jiang Liu , Cheng-Ying Jiang

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引用次数: 0

摘要

酸性矿井排水（AMD）环境通常被用作研究嗜酸微生物在水生环境中的关键作用的模型。然而，关于微生物驱动的生物地球化学循环在矿区的知识仍然有限。本研究采用宏基因组学方法探讨了全球不同矿物类型AMD环境中微生物组的多样性、组成和生态功能。共分析了226个宏基因组，涵盖了AMD的12种矿物类型。结果获得了2114个微生物宏基因组组装基因组（MAGs），代表了33个细菌门和8个古细菌门的成员。确定了amd的核心分类群和功能类群。此外，在AMD环境中首次发现了12个细菌和2个古细菌谱系。这些基因组的特定代谢势也被确定。我们的研究结果揭示了基于矿物类型条件的AMD微生物群落多样性结构和生态功能的高度专业化。矿物类型显著影响了AMD微生物群落的差异性，特别是在水环境中，强调了矿物类型在AMD环境中微生物群落形成中的关键作用。总的来说，这些发现为全球极端AMD环境中微生物组的生态学和代谢提供了新的视角。

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Mineral types dominate microbiomes and biogeochemical cycling in acid mine drainage

Acid mine drainage (AMD) environments are typically used as models to study the crucial roles of acidophilic microbes in aquatic environments. Nevertheless, knowledge regarding microbial-driven biogeochemical cycling across mining regions remains limited. In this study, a metagenomics-based approach was employed to explore the diversity, composition, and ecological functions of microbiomes in global AMD environments with different mineral types. A total of 226 metagenomes, covering 12 mineral types of AMD, were analyzed. As a result, 2114 microbial metagenome-assembled genomes (MAGs) were obtained, representing members from 33 bacterial phyla and 8 archaeal phyla. The core taxa and functional groups in AMDs were identified. Additionally, twelve bacterial and two archaeal lineages were discovered for the first time in AMD environments. The specific metabolic potentials of these genomes were also determined. Our results revealed a high level of specialization in the diversity structures and ecological functions of AMD microbial communities based on mineral-type conditions. Mineral type significantly contributed to the dissimilarity in the AMD microbiomes, especially in water environments, underscoring the pivotal role of mineral types in shaping the microbial community in the AMD environment. Collectively, these findings provide novel perspectives on the ecology and metabolism of microbiomes in extreme AMD environments globally.

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来源期刊

Water Research 环境科学-工程：环境

CiteScore

20.80

自引率

9.40%

发文量

1307

审稿时长

38 days

期刊介绍： Water Research, along with its open access companion journal Water Research X, serves as a platform for publishing original research papers covering various aspects of the science and technology related to the anthropogenic water cycle, water quality, and its management worldwide. The audience targeted by the journal comprises biologists, chemical engineers, chemists, civil engineers, environmental engineers, limnologists, and microbiologists. The scope of the journal include: •Treatment processes for water and wastewaters (municipal, agricultural, industrial, and on-site treatment), including resource recovery and residuals management; •Urban hydrology including sewer systems, stormwater management, and green infrastructure; •Drinking water treatment and distribution; •Potable and non-potable water reuse; •Sanitation, public health, and risk assessment; •Anaerobic digestion, solid and hazardous waste management, including source characterization and the effects and control of leachates and gaseous emissions; •Contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and related water quality sensing, monitoring, fate, and assessment; •Anthropogenic impacts on inland, tidal, coastal and urban waters, focusing on surface and ground waters, and point and non-point sources of pollution; •Environmental restoration, linked to surface water, groundwater and groundwater remediation; •Analysis of the interfaces between sediments and water, and between water and atmosphere, focusing specifically on anthropogenic impacts; •Mathematical modelling, systems analysis, machine learning, and beneficial use of big data related to the anthropogenic water cycle; •Socio-economic, policy, and regulations studies.