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Microbial Ecology in Reservoirs and Lakes
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Microbial Ecology in Reservoirs and Lakes

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 (20 July 2022) | Viewed by 9752

Special Issue Editor

Dr. Lunhui Lu

E-Mail Website
Guest Editor
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
Interests: antibiotic resistance gene; microbial ecology in reservoirs and lakes

Special Issue Information

Dear Colleagues,

Lakes and reservoirs play an important role in transporting water, sediment, and nutrients from land to marine ecosystems. Reservoirs and lakes are regarded to store large quantities of terrestrial organic and inorganic compounds and are therefore important participants in the global biogeochemical cycle. In addition, microorganisms are generally considered to play a vital role in aquatic ecosystems, especially for planktonic bacteria and eukaryotes. Diverse lake and reservoir environments breed rich microbial diversity and resources, but their structure and function have been poorly understood until now. Microbiome and comparative genome research of reservoirs and lakes can reveal lake distribution characteristics and the formation mechanism of microbial diversity. In addition, by clarifying the composition of microbial functional genes and microbial adaptation mechanisms under extreme environmental conditions, new microbial function and metabolic pathways can be discovered. These studies will not only help to understand the structure and function of lake and reservoir ecosystems but also explain how microorganisms affect the biogenic element cycle and the mechanism of community construction. In this Special Issue, we will introduce the planktonic microecology of the lake and reservoir system and the microbial community assembly mechanism.

Dr. Lunhui Lu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • reservoirs and lakes
  • microbiome
  • phytoplankton
  • bacterioplankton
  • functional microbes
  • biogenic elements cycles
  • microbial ecology
  • community construction mechanism

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Published Papers (3 papers)

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Research

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18 pages, 2714 KiB  
Article
Bacterial Community Dynamics along a River-Wetland-Lake System
by Milán Farkas, Sándor Szoboszlay, Lajos Vörös, Zsófia Lovász, Nikoletta Méhes, Kálmán Mátyás, Rózsa Sebők, Edit Kaszab, Judit Háhn, Gergő Tóth, Péter Harkai, Árpád Ferincz, András Táncsics and Balázs Kriszt
Water 2022, 14(21), 3519; https://doi.org/10.3390/w14213519 - 3 Nov 2022
Cited by 5 | Viewed by 2164
Abstract
Balaton is the largest shallow lake in Central Europe. It is one of the few lakes where eutrophication processes have been successfully reversed. The creation of a wetland area on the lower part of the main inflow river played a major role in [...] Read more.
Balaton is the largest shallow lake in Central Europe. It is one of the few lakes where eutrophication processes have been successfully reversed. The creation of a wetland area on the lower part of the main inflow river played a major role in the re-oligotrophication processes. After several decades of operation and multiple transformations, an attempt was made to explore the microbial community of the water reservoir and its relationship with algal groups and environmental parameters. In the main inflow river, floods had the greatest effect on the microbial community composition, while in the open water areas of the wetland system, the algae production that develops due to external nutrient load was the main driver of the bacterial community. In the high-macrophyte-covered areas, the decomposition processes of the dying algae biomass were the most decisive. Finally, in the large open water areas of Lake Balaton, the external and internal nutrient loads together determined the algal production and thus the bacterial community composition. Full article
(This article belongs to the Special Issue Microbial Ecology in Reservoirs and Lakes)
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17 pages, 1618 KiB  
Article
Spatio-Temporal Dynamics in Physico-Chemical Properties, Phytoplankton and Bacterial Diversity as an Indication of the Bovan Reservoir Water Quality
by Slobodan Zlatković, Olja Medić, Dragana Predojević, Ivan Nikolić, Gordana Subakov-Simić, Antonije Onjia, Tanja Berić and Slaviša Stanković
Water 2022, 14(3), 391; https://doi.org/10.3390/w14030391 - 27 Jan 2022
Cited by 8 | Viewed by 2843
Abstract
The study aimed to investigate the physico-chemical properties as well as phytoplankton and bacterial community diversity of Bovan Lake reservoir in Serbia to gain insight into the seasonal dynamic of water quality. All analyses were performed at three localities and water depths in [...] Read more.
The study aimed to investigate the physico-chemical properties as well as phytoplankton and bacterial community diversity of Bovan Lake reservoir in Serbia to gain insight into the seasonal dynamic of water quality. All analyses were performed at three localities and water depths in spring, summer, autumn, and winter 2019. Seven phytoplankton phyla comprising 139 taxa were detected at all three localities (Chlorophyta 58%, Bacillariophyta 14%, Cyanobacteria 9%, Chrysophyta 5%, Dinophyta 5%, Euglenophyta 5%, and Cryptophyta 4%). Winter 2019 was characterized by the presence of 36 unique species in all phyla except Euglenophyta. Bacterial diversity analyses showed that Proteobacteria, Actinobacteria, Bacteroidetes, Cyanobacteria, and Verrucomicrobia dominated the water intake locality at all three water depths (0.5, 10, and 20 m below the surface). In general, the physico-chemical parameters, phytoplankton, and bacterial community composition depended on the season and the water depth and showed that Bovan Lake was of satisfactory ecological status and water quality at all localities, and meets the needs for all intended purposes. Full article
(This article belongs to the Special Issue Microbial Ecology in Reservoirs and Lakes)
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Review

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9 pages, 657 KiB  
Review
A Brief Review of the Structure, Cytotoxicity, Synthesis, and Biodegradation of Microcystins
by Anjali Krishnan and Xiaozhen Mou
Water 2021, 13(16), 2147; https://doi.org/10.3390/w13162147 - 5 Aug 2021
Cited by 11 | Viewed by 3968
Abstract
Harmful cyanobacterial blooms pose an environmental health hazard due to the release of water-soluble cyanotoxins. One of the most prevalent cyanotoxins in nature is microcystins (MCs), a class of cyclic heptapeptide hepatotoxins, and they are produced by several common cyanobacteria in aquatic environments. [...] Read more.
Harmful cyanobacterial blooms pose an environmental health hazard due to the release of water-soluble cyanotoxins. One of the most prevalent cyanotoxins in nature is microcystins (MCs), a class of cyclic heptapeptide hepatotoxins, and they are produced by several common cyanobacteria in aquatic environments. Once released from cyanobacterial cells, MCs are subjected to physical chemical and biological transformations in natural environments. MCs can also be taken up and accumulated in aquatic organisms and their grazers/predators and induce toxic effects in several organisms, including humans. This brief review aimed to summarize our current understanding on the chemical structure, exposure pathway, cytotoxicity, biosynthesis, and environmental transformation of microcystins. Full article
(This article belongs to the Special Issue Microbial Ecology in Reservoirs and Lakes)
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