Oxidative stress response and fatty acid changes associated with bioaccumulation of chromium [Cr(VI)] by a fresh water cyanobacterium Chroococcus sp. |
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| Authors: | Muthukannan Satheesh Kumar Ramasamy Praveenkumar Asokraja Ilavarasi Kamaraj Rajeshwari Nooruddin Thajuddin |
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| Institution: | (1) Department of Microbiology, School of Life Sciences, Bharathidasan University, Tiruchirappalli, 620024, Tamil Nadu, India |
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| Abstract: | Cr(VI) at 2.5, 5, 7.5 and 10 mg/l was removed over 1–5 days by a freshwater cyanobacterium, Chroococcus sp. 2.5 mg Cr(VI)/l gave the optimum rate. With 5 mg Cr(VI)/l, activities of superoxide dismutase and catalase were increased.
Amounts of palmitic (16:0), stearic (18:0) and oleic acid (18:1) in the cell also increased after exposure to Cr(VI). |
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