(Eco)Toxicology of Cyanobacteria and Cyanotoxins: From Environmental Dynamics to Adverse Effects
A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Ecotoxicology".
Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 20156
Special Issue Editors
Interests: cyanobacteria; cyanotoxins; zooplankton; ecotoxicology; ecophysiology; behavioral toxicology
Interests: cyanobacteria and harmful algae; cyanotoxins; chemical ecology; environmental toxicology; ecotoxicology; ecophysiology
Special Issue Information
Dear Colleagues,
Cyanobacterial blooms are a problem of growing concern because some species can produce a range of bioactive secondary metabolites named cyanotoxins, in addition to other bioactive peptides as well as taste and odour compounds. Once established, these blooms can pose several risks for public and environmental health, compromising water quality and aquatic biota. The fate of these compounds is still challenging, since their dynamics in water bodies can occur across different biotic (e.g., bioaccumulation, biodegradation) and abiotic (e.g., sediment adsorption; water-dissolved fraction) compartments. The well-known cyanotoxins can be classified into four main types according to their mechanism of action as hepatotoxins, cytotoxins, dermatotoxins and neurotoxins; however, considering that cyanobacteria can produce a myriad of metabolites, many of their biological activities (especially toxicity) have yet to be explored. Studies on the effects of cyanobacteria and their metabolites over a wide range of organisms have reported both acute and chronic effects (e.g., reduction in survival, growth and reproduction) as well as biochemical/physiological (e.g., inhibition of phosphatases, AChE, and proteases; endocrine disruption) and behavioural alterations across different generations. Research has also focused on the potential for the bioaccumulation and transfer of these toxins through aquatic food webs. To a certain extent, these studies are of interest for assessing water quality, exposure risks and adverse effects associated with the nuisance of cyanobacteria.
Therefore, this Special Issue will focus on research addressing the dynamics of cyanotoxins and other cyanometabolites across different environmental compartments, including their bioavailability, exposure risks and adverse effects. This Issue also welcomes studies of the ecotoxicological and toxicological aspects of cyanotoxins.
We look forward to receiving your contributions.
Dr. Aloysio Ferrão-Filho
Dr. Mauro Cesar Palmeira Vilar
Guest Editors
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Keywords
- CyanoHABs
- ecotoxicology
- cyanotoxins
- bioaccumulation
- water quality
- environmental toxicology
- risk assessment
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