Aquatic Microbial Ecology: Microbial Diversity, Structuring and Functioning

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Biodiversity and Functionality of Aquatic Ecosystems".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 1880

Special Issue Editor


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Guest Editor
Winogradsky Institute of Microbiology, The Federal Research Centre “Fundamentals of Biotechnology”, Russian Academy of Sciences, Moscow, Russia
Interests: environmental microbiology; microbial diversity; extremophiles; metabolism of extremophilic procaryotes

Special Issue Information

Dear Colleagues,

All aquatic environments are inhabited by a wide range of diverse microorganisms. Microbial communities actively participate in all biogeochemical processes, providing macro- and microelement cycling, and determine the functional potential of ecosystems. Microorganisms play an essential role in relationships with aquatic macroorganisms; however, the mechanisms of their symbiotic interactions are still very poorly understood. Moreover, microbial consortia are a vast source of valuable metabolites for industrial applications; on the other hand, they are also a source of toxins that can affect water quality. Thus, studies into the structure and functional potential of microbial communities are at the cutting edge of a wide spectrum of scientific fields. This Special Issue of Water, titled “Aquatic Microbial Ecology: Microbial Diversity, Structuring and Functioning",  will accept the manuscripts of original studies related to the characteristics of aquatic microbial communities, such as taxonomic or gene composition, diversity and abundance assessed by various molecular and cultural methods, as well as the identification of interactions between microbial community structure and microbial processes, in all types of aquatic ecosystems.

Dr. Alexandra A. Klyukina
Guest Editor

Manuscript Submission Information

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Keywords

  • aquatic ecosystems
  • molecular ecology
  • microbial communities
  • microbial distribution in water systems
  • phylogenetic diversity
  • NGS
  • microbial functions and activities in ecosystems
  • microbial metabolic diversity
  • genetic analysis of ecosystems
  • bioactive compounds

Published Papers (1 paper)

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Research

17 pages, 2932 KiB  
Article
Microbial Community Structure and Co-Occurrence Patterns in Closed and Open Subsidence Lake Ecosystems
by Shun Wang, Youbiao Hu, Tingyu Fan, Wangkai Fang, Xiaopeng Liu, Liangji Xu, Bing Li and Xiangping Wei
Water 2023, 15(10), 1829; https://doi.org/10.3390/w15101829 - 11 May 2023
Cited by 1 | Viewed by 1659
Abstract
Different types of subsidence lakes formed by underground coal mining are severely polluted by mine-production wastewater, domestic sewage, and agricultural irrigation water. Microbial communities perform a crucial role in biogeochemical cycling processes and responses to natural and anthropogenic disturbances in lake waters. Therefore, [...] Read more.
Different types of subsidence lakes formed by underground coal mining are severely polluted by mine-production wastewater, domestic sewage, and agricultural irrigation water. Microbial communities perform a crucial role in biogeochemical cycling processes and responses to natural and anthropogenic disturbances in lake waters. Therefore, it is important to investigate the characteristics of microbial community diversity in subsidence lakes for the utilization of water resources in mining areas. In this study, we collected water samples from open and closed subsidence lakes and explored the bacterial communities based on Illumina amplicon high-throughput sequencing. Results showed that bacterial diversity and community and functional composition in open and closed lakes differed greatly, and the bacterial diversity in open lakes was significantly higher than that in closed lakes (p < 0.001). Canonical correspondence analysis found that pH explained 31.73% and 39.98% of the variation in the bacterial community and functional composition in closed lakes, while NH4+ and COD accounted for 29.73% and 26.02% of the changes in the community and functional composition in open lakes, respectively. Modified stochasticity ratios based on null-model analysis demonstrated that stochastic processes were the main factor affecting bacterial community assembly in both closed (MST = 0.58) and open lakes (MST = 0.63). In the closed-lake network, hgcI_clade was inferred to be a keystone species, while Lactococcus, Acinetobacter, Psychrobacter, and Chryseobacterium were detected as keystone species in the open-lake network. By way of discussion, we provide evidence regarding the bacterial community diversity, structure, co-occurrence patterns, and assembly processes in closed and open subsidence lakes. This study contributes to providing a reference for the utilization of subsidence water resources. Full article
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