Bacteria That Degrade PCBs Identified

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This scanning electron micrograph of Dehalococcoides (Dhc) bacteria shows the GT strain of the microbes that dechlorinated PCB contaminiation in lab tests. Credit: Georgia Institute of Technology
This scanning electron micrograph of Dehalococcoides (Dhc) bacteria shows the GT strain of the microbes that dechlorinated PCB contaminiation in lab tests. Credit: Georgia Institute of Technology

Researchers have identified a group of bacteria that can detoxify a common type of polychlorinated biphenyls (PCBs), which have contaminated more than 250 U.S. sites, including river and lake sediments.


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