Special Issue "Microbial Communities in Water Environments: Dynamics and Interaction"

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

Deadline for manuscript submissions: 31 March 2020.

Special Issue Editor

Dr. Sandi Orlić
E-Mail Website
Guest Editor
Laboratory for Precipitation Processes, Division of Materials Chemistry, Ruđer Bošković Institute, Croatia
Interests: novel methods in aquatic microbial ecology; marine and lake microbial ecology; climate change and microbes

Special Issue Information

Dear Colleagues,

An aquatic microbial community can be defined as an assemblage of co-occurring and potentially interacting microbes present in a defined habitat in space and time. Despite their small size, microorganisms are key elements in the ecological dynamics of the biosphere. In recent years, with advances in molecular tools, such as high-throughput sequencing, the field of microbial communities in water environments has gained increasing attention, resulting in novel knowledge regarding microbial dynamics and interactions.

Dr. Sandi Orlić
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 papers will be 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.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 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

  • bacteria
  • fungi
  • protozoa
  • viruses
  • next-generation sequencing
  • freshwater and marine environments
  • interactions
  • novel tools
  • climate change

Published Papers (2 papers)

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Research

Open AccessArticle
The Impact of a Fish Cannery Wastewater Discharge on the Bacterial Community Structure and Sanitary Conditions of Marine Coastal Sediments
Water 2019, 11(12), 2566; https://doi.org/10.3390/w11122566 - 05 Dec 2019
Abstract
The effects of fish cannery discharge (FCD) on bacteria in marine coastal sediments were investigated. Redox potentials were measured, and granulometry was determined by wet ASTM sieving, and with the Sedigraph method. Prokaryotic abundance (PA) was determined by epifluorescence microscopy (DAPI staining), and [...] Read more.
The effects of fish cannery discharge (FCD) on bacteria in marine coastal sediments were investigated. Redox potentials were measured, and granulometry was determined by wet ASTM sieving, and with the Sedigraph method. Prokaryotic abundance (PA) was determined by epifluorescence microscopy (DAPI staining), and faecal indicator bacteria (FIB) enumerated with the multiple test tube and most probable number method. Total lipids were determined gravimetrically, and sterols analysed by GC/MSD. Bacterial community composition was determined after total DNA isolation, Illumina MiSeq amplification, and SILVAngs processing pipeline. The FCD was rich in lipids, heterotrophic prokaryotes and FIB. The bacterial community of the FCD was dominated by Firmicutes and Gammaproteobacteria and many potentially pathogenic bacteria. Highly porosusgravelly sands clogged with fish remains transitioned to less permeable sandy muds away from the FCD. All sediments were anoxic with extremely negative potentials around the outfall. High surface PA and FIB spread 300 m from the outfall. Gammaproteobacteria and Deltaproteobacteria appeared in all sediments. Sulfurovum and Anaerolineaceae characterized the most polluted locations where gammaproteobacterial Woeseiaceae/JTB255 marine benthic group declined. Gammaproteobacteria and Bacteroidetes characterized surface sediments, while Chloroflexi and Deltaproteobacteria prevailed in deeper layers. The FCD enriched sediments in lipids and allochthonous bacteria degrading sanitary quality, lowering the permeability, redox potential, and bacterial diversity. Full article
(This article belongs to the Special Issue Microbial Communities in Water Environments: Dynamics and Interaction)
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Open AccessArticle
Tintinnid Ciliate Communities in Pre- and Post-Winter Conditions in the Southern Adriatic Sea (NE Mediterranean)
Water 2019, 11(11), 2329; https://doi.org/10.3390/w11112329 - 07 Nov 2019
Abstract
The Southern Adriatic Sea is a dynamic region under the influence of diverse physical forces that modify sea water properties as well as plankton dynamics, abundance, and distribution in an intricate way. The most pronounced being: winter vertical convection, lateral exchanges between coastal [...] Read more.
The Southern Adriatic Sea is a dynamic region under the influence of diverse physical forces that modify sea water properties as well as plankton dynamics, abundance, and distribution in an intricate way. The most pronounced being: winter vertical convection, lateral exchanges between coastal and open sea waters, and the ingression of water masses of different properties into the Adriatic. We investigated the distribution and abundance of tintinnid species in this dynamic environment in pre- and post-winter conditions in 2015/2016. A strong ingression of the saline Levantine Intermediate Water, supported by the cyclonic mode of the North Ionian Gyre in 2015 and 2016, in December was associated with a high diversity of oceanic species. An unusual spatial distribution of neritic-estuarine species Codonellopsis schabi was observed in deeper layers along the analyzed transect, which emphasizes the strong influence of physical processes on deep water biology in the South Adriatic. A shift of population toward greater depths (mesopelagic) and modification of deep sea community structure was recorded in April as a consequence of the winter convection-driven sinking of tintinnids. Our findings indicate that tintinnid abundance and composition is heavily influenced by physical conditions and they are good indicators of the impact of physical forces, including climate changes, on marine environment. Full article
(This article belongs to the Special Issue Microbial Communities in Water Environments: Dynamics and Interaction)
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