Elucidating microbial mechanisms of microcystin-LR degradation in Lake Erie beach sand through metabolomics and metatranscriptomics

Salter, Chelsea; Westrick, Judy A.; Chaganti, Subba Rao; Birbeck, Johnna A.; Peraino, Nicholas J.; Weisener, Christopher G.

doi:10.1016/j.watres.2023.120816

Cited by 3 publications

(1 citation statement)

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“…Some of them, however, show preferential food selection for cyanobacteria mats [ 86 ]. The microorganisms present in detritus, such as fungi and bacteria, play a fundamental role in not only the degradation and stabilization of organic matter, which is necessary for its assimilation by some detritivores, but also in the detoxification caused by the presence of cyanotoxins, especially MCs [ 109 , 110 ]. Several freshwater environmental microorganisms are capable of completely degrading MCs, and even of acting on their adda ring, and different enzymatic pathways have been found.…”

Section: Resultsmentioning

confidence: 99%

Cyanobacteria and Macroinvertebrate Relationships in Freshwater Benthic Communities beyond Cytotoxicity

Ubero-Pascal,

Aboal

2024

Toxins

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Cyanobacteria are harmful algae that are monitored worldwide to prevent the effects of the toxins that they can produce. Most research efforts have focused on direct or indirect effects on human populations, with a view to gain easy accurate detection and quantification methods, mainly in planktic communities, but with increasing interest shown in benthos. However, cyanobacteria have played a fundamental role from the very beginning in both the development of our planet’s biodiversity and the construction of new habitats. These organisms have colonized almost every possible planktic or benthic environment on earth, including the most extreme ones, and display a vast number of adaptations. All this explains why they are the most important or the only phototrophs in some habitats. The negative effects of cyanotoxins on macroinvertebrates have been demonstrated, but usually under conditions that are far from natural, and on forms of exposure, toxin concentration, or composition. The cohabitation of cyanobacteria with most invertebrate groups is long-standing and has probably contributed to the development of detoxification means, which would explain the survival of some species inside cyanobacteria colonies. This review focuses on benthic cyanobacteria, their capacity to produce several types of toxins, and their relationships with benthic macroinvertebrates beyond toxicity.

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Section: Resultsmentioning

confidence: 99%