Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 81, Issue 5, Pages 427-431Publisher
SPRINGER
DOI: 10.1007/s00128-008-9436-3
Keywords
microcystin-RR; Escherichia coli; growth; antioxidant system
Categories
Funding
- National Basic Research programs of China [2002 CB 412306, 2003CB716801]
- National Hi-Tech Project of China [2005AA601010]
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Microcystins are a kind of cyclic hepatoxins produced by many species of cyanobacteria. The toxic effects of microcystins on animals and plants have been well studied. However, the reports about the effects of microcystins on microbial cells are very limited. In present paper, Escherichia coli was undertaken to determine the effect of microcystin-RR. These results suggested that microcystin-RR could prolong the growth of E. coli when exposed to high concentrations of microcystin-RR and cause the accumulation of ROS and induce the oxidant stress for a short time. The antioxidant system protects E. coli from oxidative damage.
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