Sentences with phrase «ancient epigenetic signals»
A prime spot to go looking for ancient epigenetic signals is in permafrost that formed during the last ice age.
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The frozen soils are already recognised as the best environment on Earth for preserving the ancient DNA in which epigenetic signals might be found.
For example, although Cooper's team successfully read methylation from a fossil bison specimen, they could not find a signal in five other bison fossils they examined, which suggests that reading ancient epigenetic signatures requires exceptional preservation.