Genomic stasis over millions of years in subseafloor sediment.

Abstract excerpt

One of the significant challenges in microbiology is to understand the extent and mechanisms of evolution within life beneath the surface of the Earth. The population bottleneck that microbes in deep marine sediment experience implies that mutational and population genetic forces could lead to higher levels of relaxed selection and an increase in pseudogenes. To investigate this hypothesis, a group of...

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