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The Centre for Palaeogenetics (CPG) is a joint venture between Stockholm University and the Swedish Museum of Natural History
Feb 17, 2021 6 tweets 3 min read
This mammoth tooth is 1.2 million years old.

We have recovered DNA from it.

This is the oldest DNA ever sequenced.

The results are published today in Nature:
nature.com/articles/s4158…

[THREAD] ⬇️⬇️⬇️ We analyzed genomes from mammoths that lived 1.2 - 0.7 million years ago (Ma), and discovered a previously unknown genetic lineage of mammoth that diverged from from the woolly mammoth lineage more than 2 Ma. We call this new lineage the “Krestovka mammoth”.
Aug 17, 2020 4 tweets 4 min read
Follow this thread for an almost unbelievable story, hiding in the SI of this paper:
cell.com/current-biolog…

Ten years ago, a roughly 14,000 year old frozen #dog or #wolf #puppy was found in Russia. It's been named Tumat.

Subsequently, an autopsy of Tumat was conducted (1/n). Inside the puppy's stomach, @MhsSindging, Sergey Fedorov & others found a hairy piece of tissue.

The mystery tissue from Tumat's tummy was sent to #CpgSthlm, where @nibbledtodeath extracted DNA to identify the species that the tissue belonged to.

It came from... (2/n).