期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 408, 期 21, 页码 4969-4975出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2010.07.032
关键词
Biosynthesis; Cyanobacteria; Freshwater algae; Isotope labeling; Phthalate ester
Phthalate esters are widely distributed pollutants which originate from synthetic plasticizer and are known to act as toxicants as well as environmental pheromones in the aquatic ecosystems. From investigating sixteen species of freshwater algae and cyanobacteria we revealed that some of them were capable of producing either di(n-butyl)phthalate (DBP) or mono(2-ethylhexyl)phthalate (MEHP) or both. These phthalate esters would be released into the environment under stress conditions. The incubation of the cells in culture medium containing (NaHCO3)-C-13 confirmed that both phthalates were de novo synthesized by the studied cells. This study suggested that the nuisance freshwater micro-algae and cyanobacteria growing in eutrophic waters might affect the aquatic ecosystem via the production of these phthalate esters. (C) 2010 Elsevier B.V. All rights reserved.
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