Cyanobacteria are a group of ubiquitous photosynthetic prokaryotes. Their occurrence has been increasing worldwide, due to anthropogenic activities and climate change. Several cyanobacterial species are able to synthesize a high number of bioactive molecules, among them, cyanotoxins (microcystins, cylindrospermopsin, nodularin, etc.), which are considered a health concern. For risk assessment of cyanotoxins, more scientific knowledge is required to perform adequate hazard characterization, exposure evaluation and, finally, risk characterization of these toxins. This Special Issue “Cyanobacteria and Cyanotoxins: New Advances and Future Challenges” presents new research or review articles related to different aspects of cyanobacteria and cyanotoxins, and contributes to providing new toxicological data and methods for a more realistic risk assessment.
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method validation sirtuin 1 (SIRT1) arctic Cylindrospermopsin Microcystin-LR 16S rRNA gene astaxanthin secondary metabolites shotgun metagenomic sequencing time-resolved fluoroimmunoassay Histopathological evaluation cyanobacterial thresholds akinetes nutrient enrichment benthic mats cylindrospermopsin drinking water treatment plant blue-green algae supplements lettuce genotoxicity exposure bacterial community PCR microcystin-LR marine natural compounds ELISA [d-Leu1]Microcystin-LR Paracentrotus lividus tadpoles apoptosis 16S rRNA gene sequencing PSP toxins marine cyanobacteria hemolytic essay energy budget bioassays anatoxin-a Lithobates catesbeianus mixture reproductive toxicity cyanobacteria taste-and-odor compounds Procambarus clarkii drinking water saxitoxin resveratrol harmful algal blooms cytotoxicity phylogenetic analyses Yangtze estuary microcystin mutagenicity detection Artemia salina water source cyanotoxins microcystins in vitro marine sponges microcystin-LR (MC-LR) UPLC-MS/MS reservoir microbial metabolisms Aphanizomenon flos-aquae monoclonal antibody oxidative stress Nostocales