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    Ubiquitous distribution, fast growth rate and manifold relevance has credited algae a potential bioresource in current state of affairs of environmental degradation. In the present study, green alga Chlorococcum sp. has been collected from waste water, isolated and cultured to assess their accumulation and toxicity responses at different As(III) concentration. Results revealed that Chlorococcum sp. treated with 10 µM As(III) showed a minimal reduction (21%) in chlorophyll concentration with high proline and carotenoids content indicating its adaptive tolerance potential against As(III). The EC50 of As(III) for inhibiting growth of the microalgae after 10 days of experiment was 9.4 µM. Further, Chlorococcum sp. accumulated 239.09 µg g- 1 dw As at the concentration of 10 µM of As(III) after 10 days of treatment. Concentration dependent accumulation pattern and antioxidant responses in Chlorococcum sp. could be a used as a potential bioindicator and bioremediator of As from waste water. © 2020. Springer Science+Business Media, LLC, part of Springer Nature.


    Atul Kumar Upadhyay, Lav Singh, Ranjan Singh, D P Singh, Gauri Saxena. Bioaccumulation and Toxicity of As in the Alga Chlorococcum sp.: Prospects for As Bioremediation. Bulletin of environmental contamination and toxicology. 2022 Mar;108(3):500-506

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    PMID: 32930810

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