Current research scenario for biological effect of exogenous factors on microcystin synthesis

Liu, Jiahui; Lv, Chen; Zhang, Xian

doi:10.1007/s11356-021-18256-x

Cited by 6 publications

(1 citation statement)

References 95 publications

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“…Physicochemical factors (phosphorus, nitrogen, iron, pH, temperature, and light) promote the growth of cyanobacteria and consequently the excessive release of MCs. Biological factors, where the production of MCs increases in the presence of competitors and predators, as well as genetic factors, because variation in the amount of MCs synthesized results from changes in the transcription of genes that encode this toxin, also have an impact [ 42 , 43 ]. Some investigations reported the presence of cyanobacteria and their MCs in irrigation water sources such as groundwater, natural reservoirs, lakes, and rivers [ 43 , 44 , 45 , 46 , 47 ].…”

Section: Emergence and Persistence Of Mcs In Irrigation Watermentioning

confidence: 99%

Microcystin Contamination in Irrigation Water and Health Risk

Haida,

El Khalloufi,

Mugani

et al. 2024

Toxins

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Microcystins (MCs), natural hepatotoxic compounds produced by cyanobacteria, pose significant risks to water quality, ecosystem stability, and the well-being of animals, plants, and humans when present in elevated concentrations. The escalating contamination of irrigation water with MCs presents a growing threat to terrestrial plants. The customary practice of irrigating crops from local water sources, including lakes and ponds hosting cyanobacterial blooms, serves as a primary conduit for transferring these toxins. Due to their high chemical stability and low molecular weight, MCs have the potential to accumulate in various parts of plants, thereby increasing health hazards for consumers of agricultural products, which serve as the foundation of the Earth’s food chain. MCs can bioaccumulate, migrate, potentially biodegrade, and pose health hazards to humans within terrestrial food systems. This study highlights that MCs from irrigation water reservoirs can bioaccumulate and come into contact with plants, transferring into the food chain. Additionally, it investigates the natural mechanisms that organisms employ for conjugation and the microbial processes involved in MC degradation. To gain a comprehensive understanding of the role of MCs in the terrestrial food chain and to elucidate the specific health risks associated with consuming crops irrigated with water contaminated with these toxins, further research is necessary.

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