A new study led by the University of Tasmania—with the participation of the University of Bonn—discovered the oldest marine DNA in deep-sea sediments of the Scotia Sea north of the Antarctic continent. The material could be dated to one million years. Such old material demonstrates that sedimentary DNA can open the pathway to study long-term responses of ocean ecosystems to climate change. This recognition will also help with assessing current and future change of marine life around the frozen continent. The study appeared in the journal Nature Communications.
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Source: Phys.org