Contact: Bill Cannon
cannon@pnl.gov
509-375-3732
DOE/Pacific Northwest National Laboratory
Caption: Pearl Jam -- Soluble uranium has been converted to solid uraninite (UO2), strung like tiny pearls along branching extracellular polymeric substance, a slime secreted by Shewanella bacteria.
Credit: PNNL
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Related news release: Uranium 'pearls' before slime