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News and Views: Endless Bacterial Evolution
Posted on November 22, 2013 by Katherine Malanson | Categories: Infectious Disease, News | | Add comment |

Image of two plates of bacteria; left plate has equal numbers of 'red' and 'pale' bacteria colonies whereas the right plate is predominantly 'pale' bacteria
“The plate on the left contains about equal numbers of colonies of two different bacteria. After the bacteria compete and evolve, the lighter ones have taken the lead in the plate on the right.” Source

Do we ever stop evolving? Twenty five years — and some 50,000 plus generations — of ever-fitter bacteria suggest no. NPR ‘Shots’ has the story of how Bacterial Competition In Lab Shows Evolution Never Stops.