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Home > News > Uranium ‘pearls’ before slime

August 8th, 2006

Uranium ‘pearls’ before slime

Abstract:
Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do it. For Shewanella oneidensis, a microbe that modifies uranium chemistry, the pieces are coming together, and they resemble pearls that measure precisely 5 nanometers across enmeshed in a carpet of slime secreted by the bacteria.

Source:
PNNL

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