Characteristics of iron-sulfur metabolism and acid-producing microorganisms in groundwater contaminated by acid mine drainage in closed coal mines

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Groundwater for Sustainable Development Pub Date : 2024-11-01 DOI:10.1016/j.gsd.2024.101372

Yanchang Huang , Ping Lu , Feng Zhang , Hao Chen , Wenliang Zhang , Linlin Lin , Hepeng Xu , Haoran Ding , Tianhang Cheng

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Abstract

The generation of acid mine drainage (AMD) from mining activities poses significant challenges to humanity due to its intense pollution and difficult management. Despite the hostile conditions presented by AMD, a plethora of microorganisms thrive in this environment. In this study, we employ metagenomic techniques and microbial diversity analysis to systematically categorize microorganisms. Specifically, we identify Sulfur-iron metabolizing microorganisms associated with AMD, encompassing 6 phyla and 1149 genera. Functional predictions and pathogenicity analyses are conducted on this microbial community. Furthermore, we specifically emphasize the study of acid-producing microorganisms. This research marks the first discussion on the scope and structure of acid-producing microorganisms., comprising 1 phylum, 39 genera, and 1393 species. Our research outcomes comprehensively depict the microbial diversity in AMD, unveiling their influence on the physicochemical properties of AMD pollution. This study contributes valuable insights to addressing environmental challenges arising from AMD and aids in its remediation.

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封闭煤矿酸性矿井排水污染地下水中铁硫代谢和产酸微生物的特征

采矿活动产生的酸性矿井排水（AMD）污染严重，管理困难，给人类带来了巨大挑战。尽管酸性矿井排水条件恶劣，但仍有大量微生物在此环境中茁壮成长。在这项研究中，我们利用元基因组技术和微生物多样性分析对微生物进行了系统分类。具体来说，我们确定了与 AMD 相关的硫铁代谢微生物，包括 6 个门和 1149 个属。我们对这一微生物群落进行了功能预测和致病性分析。此外，我们还特别强调了对产酸微生物的研究。这项研究首次探讨了产酸微生物的范围和结构，包括 1 个门、39 个属和 1393 个种。我们的研究成果全面描述了 AMD 中微生物的多样性，揭示了它们对 AMD 污染理化性质的影响。这项研究为应对 AMD 带来的环境挑战提供了宝贵的见解，并有助于 AMD 的修复。

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来源期刊

Groundwater for Sustainable Development Social Sciences-Geography, Planning and Development

CiteScore

11.50

自引率

10.20%

发文量

152

期刊介绍： Groundwater for Sustainable Development is directed to different stakeholders and professionals, including government and non-governmental organizations, international funding agencies, universities, public water institutions, public health and other public/private sector professionals, and other relevant institutions. It is aimed at professionals, academics and students in the fields of disciplines such as: groundwater and its connection to surface hydrology and environment, soil sciences, engineering, ecology, microbiology, atmospheric sciences, analytical chemistry, hydro-engineering, water technology, environmental ethics, economics, public health, policy, as well as social sciences, legal disciplines, or any other area connected with water issues. The objectives of this journal are to facilitate: • The improvement of effective and sustainable management of water resources across the globe. • The improvement of human access to groundwater resources in adequate quantity and good quality. • The meeting of the increasing demand for drinking and irrigation water needed for food security to contribute to a social and economically sound human development. • The creation of a global inter- and multidisciplinary platform and forum to improve our understanding of groundwater resources and to advocate their effective and sustainable management and protection against contamination. • Interdisciplinary information exchange and to stimulate scientific research in the fields of groundwater related sciences and social and health sciences required to achieve the United Nations Millennium Development Goals for sustainable development.