Blue-Green Algal Toxins/Cyanobacterial Toxins and Its impact on Environment, Biodiversity and Human Health-A Short Review (original) (raw)

Abstract

Blue-green algae have the characteristics of both algae and bacteria and are now classified as Cyanobacteria. Cyanobacteria occur worldwide especially in calm, nutrient-rich waters.. Cyanobacterial blooms of toxic blue-green algae can affect the water quality by causing peculiar tastes and odours, discolouration and unsightly scums. Irrigation with cyanobacteria contaminated water may cause accumulation of toxins on the external surfaces of edible plant material. Cyanobacteria are regular components of the diet of the cichlid, cyprinid and other fishes. Several studies reported accumulation of cynaotoxins such as microcystins in freshwater seafoods that are eaten by humans including fish, mussels and shrimps and therefore, the transfer of the microcystins to human through the food web is easily possible. Microcystins were responsible for repeated poisoning in wild and domesticated animals, death of cattle, geese, sheep, pigs, horses, dogs, cats, squirrels, poultry, waterfowl and bir...

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