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  • Title: Characterization of a high cadmium accumulating soil bacterium, Cupriavidus sp. WS2.
    Author: Shi Z, Zhang Z, Yuan M, Wang S, Yang M, Yao Q, Ba W, Zhao J, Xie B.
    Journal: Chemosphere; 2020 May; 247():125834. PubMed ID: 31927230.
    Abstract:
    Cadmium (Cd) is one of the most harmful heavy-metals, its accumulation in crops can lead to severe ecological and healthy problems. Bioremediation using microbes to remove Cd or reduce the bioavailability of Cd is considered as a promising approach for Cd pollution control. Here, we described the isolation and characterization of a high Cd-accumulating bacterial strain, Cupriavidus sp. WS2, from the heavy-metals contained soil at the Wuhan Iron and Steel Company area. WS2 can survive under the high Cd conditions and immobilize Cd by biosynthesizing intracellular Cd-containing nanoparticle inclusions. In the co-inoculation test WS2 also significantly decreased the accumulation of Cd in rice seedlings. All our results suggested that Cupriavidus sp. WS2 may harbor a great potential for the bioremediation applications of Cd pollution.
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