Introduction:

Cyanobacteria are photosynthetic microorganisms, with the capacity to synthesize a great diversity of secondary metabolites of interest to the industry, but toxins called cyanotoxins have also attracted attention in recent decades, metabolites that cause different physiological alterations until they cause the death of different species.

Methodology:

The determination of the state of the art for the subject of cyanobacteria was based on a bibliographic search in specialized databases such as Elservier, Springer, Google Scholar and MDPI based on keywords in Spanish and English "microcystins", "MC degradation " and "quantification and detection of MC”.

Results:

In the present review, two areas of characterization of microcystins are considered: the physicochemical properties and biological properties of microcystins (MC), to understand their behavior and toxic importance in agricultural crops and in human health.In addition to understanding alternatives for their degradation, by physicochemical methods such as photocatalysis and biological grading by bacteria.Finally, some current and developing methods will be mentioned for the detection and quantification of these MCs in aquatic environments.

Conclusions:

MCs have the potential to contaminate water sources such as rivers and lagoon, causing damage to human health and agricultural plants, they have the ability to tolerate different drastic changes in physicochemical and biological factors. Among the reported alternatives, bacterial degradation promises to be the most reliable. Finally, among the different methods for the detection of MCs, among the most applied methods are immunoassays, due to their versatility and stability of the method.

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