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A million-year-old DNA was discovered in Antarctica

Image: pixabay.com

The find could be invaluable for mapping the history of the region – determining what lived in the ocean.

A million-year-old Seda DNA discovered in Antarctica Fragments of organic material have been found beneath the bottom of the Scotia Sea, north of Antarctica. Science Alert writes about it.

“This is the oldest proven greyscale DNA to date,” said marine ecologist Linda Armbrecht of the University of Tasmania in Australia.

Seda DNA has been found in many environments, including terrestrial caves and subarctic permafrost.

The extracted DNA was recovered from the ocean floor in 2019 and went through a comprehensive contamination control process to ensure the age markers embedded in the material were accurate.

Among other findings, the team found diatoms (single-celled organisms) that were 540,000 years old.

“This is an interesting and important change due to the rapid rise of sea levels around the world and the massive loss of ice in Antarctica due to natural warming,” added geologist Michael Weber of the University of Bonn. in Germany.

Recall that earlier a team of biologists from the Francis Crick Institute and the University of Sydney discovered a unique biological mechanism in stem cells, which will further help to understand the processes of aging and cancer.

Scientists have identified the oldest DNA of a mammoth

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Source: korrespondent

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