Microbial Community Structure in Marine and Coastal Sediments

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 1010

Special Issue Editor


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Guest Editor
Chemistry-Sisal Unit, Faculty of Chemistry, National Autonomous University of Mexico, Sisal 97356, Mexico
Interests: marine microbial ecology and natural product discovery; marine invertebrate microbiomes; coastal marine sediment ecology

Special Issue Information

Dear Colleagues,

As is well known, marine sediments harbor diverse microbial communities, including bacteria, archaea, fungi, and microeukaryotes. They play key roles in the degradation and recycling of organic matter through processes such as carbon and nitrogen cycling. Through these activities, they release essential nutrients back into the marine environment, facilitating the overall productivity of the ecosystem. Furthermore, novel enzymes or bioactive compounds with potential industrial or pharmaceutical uses could be found in microorganisms in this ecosystem. However, marine sediments are subjected to anthropic stressors, including oil pollution. These stressors affect the structure and function of the microbial community, which impacts biogeochemical cycling. This Special Issue aims to address the microbial community structure in marine sediments and explore the function of these microbial communities in marine ecosystems, as well as addressing environmental challenges in coastal zones and beyond. Research articles, review articles, and short communications related to the microbial community structure in marine and coastal sediments are welcome.

Dr. Alejandra Prieto-Davó
Guest Editor

Manuscript Submission Information

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Keywords

  • microbial communities
  • microbial symbiosis
  • marine ecology
  • coastal sediment

Published Papers (1 paper)

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Research

17 pages, 3328 KiB  
Article
Structure of Benthic Microbial Communities in the Northeastern Part of the Barents Sea
by Aleksandra R. Stroeva, Alexandra A. Klyukina, Olesya N. Vidishcheva, Elena N. Poludetkina, Marina A. Solovyeva, Vladislav O. Pyrkin, Liliya A. Gavirova, Nils-Kåre Birkeland, Grigorii G. Akhmanov, Elizaveta A. Bonch-Osmolovskaya and Alexander Y. Merkel
Microorganisms 2024, 12(2), 387; https://doi.org/10.3390/microorganisms12020387 - 15 Feb 2024
Viewed by 730
Abstract
The Barents Sea shelf is one of the most economically promising regions in the Arctic in terms of its resources and geographic location. However, benthic microbial communities of the northeastern Barents Sea are still barely studied. Here, we present a detailed systematic description [...] Read more.
The Barents Sea shelf is one of the most economically promising regions in the Arctic in terms of its resources and geographic location. However, benthic microbial communities of the northeastern Barents Sea are still barely studied. Here, we present a detailed systematic description of the structures of microbial communities located in the sediments and bottom water of the northeastern Barents Sea based on 16S rRNA profiling and a qPCR assessment of the total prokaryotic abundance in 177 samples. Beta- and alpha-diversity analyses revealed a clear difference between the microbial communities of diverse sediment layers and bottom-water fractions. We identified 101 microbial taxa whose representatives had statistically reliable distribution patterns between these ecotopes. Analysis of the correlation between microbial community structure and geological data yielded a number of important results—correlations were found between the abundance of individual microbial taxa and bottom relief, thickness of marine sediments, presence of hydrotrolite interlayers, and the values of pH and Eh. We also demonstrated that a relatively high abundance of prokaryotes in sediments can be caused by the proliferation of Deltaproteobacteria representatives, in particular, sulfate and iron reducers. Full article
(This article belongs to the Special Issue Microbial Community Structure in Marine and Coastal Sediments)
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