Special Issue "Taxonomy, Physiology, and Ecology of Aquatic Microorganisms"

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

Deadline for manuscript submissions: closed (30 January 2022) | Viewed by 3557

Special Issue Editors

Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, Alexander Campus, Thessaloniki, Greece
Interests: aquatic microbial ecology; cyanobacteria; cyanotoxins; bacterioplankton; phytoplankton; human microbiome
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Aristotle University of Thessaloniki, Greece
Interests: microbial community response to anthropogenic stressors (watershed land use types, eutrophication, dams, pollution) in rivers, lakes and reservoirs; monitoring, management and restoration of aquatic systems; water quality assessment
Department of Biological Applications and Technology, University Campus of Ioannina, Ioannina, Greece
Interests: aquatic microbial ecology; food webs; biogeography; diversity
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Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: zooplankton ecology; food web interactions in Mediterranean freshwater ecosystems; morphology, taxonomy of zooplankton organisms (rotifers, cladocera, copepoda); use of zooplankton in ecological water quality estimation; diversity and biogeographical patterns of zooplankton organisms; lake restoration and management
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Special Issue Information

Dear Colleagues,

A great challenge facing the field of aquatic microbiology nowadays is advancing our ability to characterize microbial biodiversity at multiple levels of resolution, though driving insight into the functional potential of ecosystems for their long term management and sustainability. Microbial communities are critical components of aquatic ecosystems. Phytoplankton and bacterioplankton constitute the complementary functional components that primarily produce new particulate matter. Zooplankton organisms link the lower to the higher trophic levels in aquatic ecosystems and can respond quickly to environmental stressors which drive the worldwide change in biodiversity and ecosystems’ structure and function.

Advances in methodologies and techniques for the study of aquatic microorganisms allowed us to combine taxonomy with function and begin understanding “who is doing what” in the environment.

This Special Issue calls for contributions on the characterization of new taxa, insights into the dynamics of community composition and functional attributes responding to environmental changes, community assembly, and functional ecology across diverse aquatic ecosystems.  Of special interest are papers that suggest the use of multi- and interdisciplinary approaches that combine morphological with molecular and ecological data complementarily, from the field to the laboratory and back again, driven by working hypotheses based on any aspect from ecological theory to applied research on aquatic microorganisms.


Prof. Dr. Elisabeth (Savi) Vardaka
Dr. Matina Katsiapi
Dr. Hera Karayanni
Dr. Evangelia Michaloudi
Guest Editors

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.

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 semimonthly 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 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.


  • bacteria
  • Archaea
  • Protists
  • Rotifera
  • Cladocera
  • Copepoda
  • biodiversity
  • structure-function relations
  • community assembly
  • management

Published Papers (1 paper)

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16 pages, 2302 KiB  
MAPKs and HSPs’ Activation of a Natural Daphnia magna Population in a Man-Perturbed Lake: Implications of Ecological Significance
Water 2021, 13(3), 283; https://doi.org/10.3390/w13030283 - 25 Jan 2021
Cited by 7 | Viewed by 2668
Natural and anthropogenic pressures in inland waters induce molecular response mechanisms in organisms as a defense against such multiple stressors. We studied, for the first time, the expression of the stress proteins, heat shock proteins (HSP) and mitogen-activated proteins kinase (MAPK), in a [...] Read more.
Natural and anthropogenic pressures in inland waters induce molecular response mechanisms in organisms as a defense against such multiple stressors. We studied, for the first time, the expression of the stress proteins, heat shock proteins (HSP) and mitogen-activated proteins kinase (MAPK), in a Daphnia magna natural population as a response to environmental changes in a heavily modified water body (Lake Koronia, Northern Greece). In parallel, the water physicochemical parameters, nutrients’ concentration and phytoplankton abundance were measured. Our results showed fluctuations of the proteins’ levels (HSP70, HSP90, phospho-p38 MAPK, phospho-p44/42 MAPK) providing evidence of their expression in situ. HSP70 showed an increasing tendency while for HSP90, no tendency was recorded. The MAPKs’ members followed a reverse pattern compared to each other. The differential expression of HSP and MAPK members indicates that D. magna in Lake Koronia experienced stressors such as increasing temperature, salinity and increased nutrient concentrations, high pH values and variations in phytoplankton abundance that triggered their activation. These in situ findings suggest that HSP and MAPK expression patterns have the potential to be used as biomarkers of stress factors in D. magna, for effective biomonitoring and setting ecological restoration targets. Full article
(This article belongs to the Special Issue Taxonomy, Physiology, and Ecology of Aquatic Microorganisms)
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