News tagged with model organism

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Mutations: When benefits level off

Beneficial mutations within a bacterial population accumulate during evolution, but performance tends to reach a plateau. Consequently, theoretical evolutionary models need to take into account a "braking effect" in expected ...

Jun 08, 2011 not rated yet 7

Microbes that immobilize

Using a model organism isolated from a uranium seep of the Columbia River, scientists recently quantified how extracellular polymeric substances (EPS) in subsurface environments can be used to immobilize heavy ...

Jun 02, 2011 not rated yet 0