Many chemical contaminants in drinking water have been shown to cause adverse health effects in humans after prolonged exposure. Cyanobacteria are one of the most potent and diverse groups of photosynthetic prokaryotes. One key component of cyanobacterial success in the environment is the production of potent toxins as secondary metabolites, which have been responsible for numerous adverse health impacts in humans. Anthropogenic activities have led to the increase of eutrophication in freshwater bodies' worldwide, causing cyanobacterial blooms to become more frequent. The present article will discuss about harmful cyanobacteria and their toxicology with special references to microcystin, nodularin, and cylindrospermopsin.

中文翻译：

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淡水蓝细菌的毒理学。

长期接触后，已证明饮用水中的许多化学污染物会对人体造成不利的健康影响。蓝细菌是光合作用的原核生物中最强大和最多样化的群体之一。蓝藻在环境中成功的关键因素之一是产生有效的毒素作为次生代谢产物，这些毒素已对人类产生了许多不利的健康影响。人为活动导致全球淡水体富营养化的增加，导致蓝藻水华更加频繁。本文将讨论有害的蓝细菌及其毒理学，并特别提及微囊藻毒素，结核菌素和环精子藻蛋白。