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Microorganisms
Special Issues
Water Quality and Human Health: Focusing on Cyanotoxins
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Water Quality and Human Health: Focusing on Cyanotoxins

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

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 2092

Special Issue Editors

Prof. Dr. Jiyoung Lee

E-Mail Website
Guest Editor
College of Public Health Division of Environmental Health Sciences, The Ohio State University, Columbus, OH, USA
Interests: cyanobacteria; cyanophage; toxin ecology; environmental exposure; heath risks from cyanotoxin exposure
Dr. Thomas J. Knobloch

E-Mail Website
Guest Editor
College of Public Health Division of Environmental Health Sciences, The Ohio State University, Columbus, OH 43210, USA
Interests: the role of harmful algal blooms (HABs) on human health
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The occurrence of freshwater cyanobacteria bloom has increased in both geographic distribution and intensity over recent decades across the world. An important health concern is that some species of cyanobacteria produce toxic metabolites called cyanotoxins. This Special Issue is focused on the impact of exposure of cyanobacteria/cyanotoxin exposures on human health. Contributions related to the following aspects are solicited:

  • Epidemiological studies about cyanotoxin exposure and its impact on acute and chronic diseases;
  • Emerging pathways of cyanotoxin exposures, such as the aerosolization of cyanotoxin;
  • Co-exposure to multiple cyanotoxins reflecting real-world exposure scenarios;
  • Innovative biomarkers that indicate cyanotoxin exposures.

Prof. Dr. Jiyoung Lee
Dr. Thomas J. Knobloch
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. Microorganisms 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 2700 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

  • cyanotoxin
  • acute toxicity
  • chronic toxicity

Published Papers (1 paper)

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Research

13 pages, 864 KiB  
Article
The Role of Quorum Sensing in the Development of Microcystis aeruginosa Blooms: Gene Expression
by Gisella Lamas-Samanamud, Armando Montante III, Andrea Mertins, Duc Phan, Carla Loures, Fabiano Naves, Tony Reeves and Heather J. Shipley
Microorganisms 2023, 11(2), 383; https://doi.org/10.3390/microorganisms11020383 - 2 Feb 2023
Cited by 6 | Viewed by 1727
Abstract
Microcystis aeruginosa (M. aeruginosa) is the dominant cyanobacterial species causing harmful algal blooms in water bodies worldwide. The blooms release potent toxins and pose severe public health hazards to water bodies, animals, and humans who are in contact with or consume this water. The [...] Read more.
Microcystis aeruginosa (M. aeruginosa) is the dominant cyanobacterial species causing harmful algal blooms in water bodies worldwide. The blooms release potent toxins and pose severe public health hazards to water bodies, animals, and humans who are in contact with or consume this water. The interaction between M. aeruginosa and heterotrophic bacteria is thought to contribute to the development of the blooms. This study strives to provide a specific answer to whether quorum sensing is also a potential mechanism mediating the interaction of different strains/species and the expression by gene luxS or gene mcyB in M. aeruginosa growth. The luxS gene in M. aeruginosa PCC7806 is associated with quorum sensing and was tested by q-PCR throughout a 30-day growth period. The same was performed for the mcyB gene. Heterotrophic bacteria were collected from local water bodies: Cibolo Creek and Leon Creek in San Antonio, Texas. Results revealed that in algal bloom scenarios, there is a similar concentration of gene luxS that is expressed by the cyanobacteria. Gene mcyB, however, is not directly associated with algal blooms, but it is related to cyanotoxin production. Toxicity levels increased in experiments with multiple algal strains, and the HSL treatment was not effective at reducing microcystin levels. Full article
(This article belongs to the Special Issue Water Quality and Human Health: Focusing on Cyanotoxins)
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