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Permafrosted Mammoth Teeth Yield World s Oldest DNA

Permafrosted Mammoth Teeth Yield World s Oldest DNA
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Centre for palaeogeneticsSwedish museum of natural historySwedish museumஸ்விட்ச் அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறுஸ்விட்ச் அருங்காட்சியகம்

Europe s largest meteorite crater - home to deep ancient fungi

Fractured rocks of impact craters have been suggested to be suitable environments for deep colonization of microbial communities. In a new study published in Communications Earth & Environment, a team of researchers shows that fungi has colonized deep parts of the largest impact crater in Europe, the Siljan impact structure, Sweden. Intriguingly, the fungi seem to have been fueling methane production in the crater.

Henrik drakeMagnus ivarssonChristine heimCommunications earth environmentUniversity of cologneLinnaeus universitySwedish museum of natural historySwedish museumNatural historyCommunications earthEcology environmentEarth scienceGeology soilComets asteroidsஹென்றிக் டிரேக்கிறிஸ்டின் ஹெய்ம்

Mammoth DNA Breaks Record for World s Oldest Sequence

The First Example of Hybrid Speciation in Ancient DNA The new study has also amplified the ability for researchers to track the evolutionary process of speciation – the formation of new and distinct species. A Nature press release states that this process generally occurs “over time periods that are thought to be beyond the limits of DNA research.” A tusk from a woolly mammoth discovered in a creek bed on Wrangel Island in 2017. (Credit: Love Dalén) Nonetheless, the scientists’ study of the mammoth DNA suggests that there was not one, but two different lineages of mammoth alive during the Early Pleistocene in the region of what is now eastern Siberia. Adycha and Chukochya are believed to be members of a species that spawned the woolly mammoth, but Krestovka appears to come from an unknown, and possibly entirely new, mammoth lineage. Tom van der Valk, the study’s lead author and a bioinformatician at the University of Uppsala in Sweden, explains the researchers’

Sakha yakutiyaUnited statesWrangel islandChukotskiy avtonomnyy okrugUppsala lanOrenburgskaya oblastGleb danilovRussian academy of sciencesCentre for palaeogeneticsUniversity of uppsalaSwedish museum of natural historyMiddle pleistoceneLove dalAncient mammothBroken recordsRussian academy

Oldest DNA Ever Found Belongs to Million-Year-Old Mammoth

Oldest DNA Ever Found Belongs to Million-Year-Old Mammoth Twitter 0 comments Because state-of-the-art genetic sequencing is bonkers good, scientists are making DNA-related discoveries all the time. Including ones that are exceptionally funky. Now, a team of scientists in Sweden says it has a partial sequence of a genome belonging to a million-plus-year-old mammoth. And the newly discovered DNA is, in fact, the oldest in the world. Science News reported on the discovery, which scientists were able to make thanks to a trio of mammoth-tooth specimens. Archaeologists excavated the specimens (immediately below) in the Siberian Permafrost in the 1970s, but it’s only recently that scientists have had the technology necessary to sequence their DNA so deeply.

United statesCentre for palaeogenetics cpgsthlmSwedish museum of natural historySiberian permafrostSwedish museumNatural historyNorth americanஒன்றுபட்டது மாநிலங்களில்ஸ்விட்ச் அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறுசைபீரியன் பெர்மாஃப்ரோஸ்ட்ஸ்விட்ச் அருங்காட்சியகம்இயற்கை வரலாறுவடக்கு அமெரிக்கன்

World s oldest DNA sheds light on how mammoths evolved: Study : The Tribune India

London, February 18 Scientists have sequenced the world’s oldest DNA recovered from the remains of mammoths that are up to 1.2 million years old, an advance which sheds light on how the extinct

United statesCity ofUnited kingdomPatricia pecnerovaCentre for palaeogeneticsSwedish museum of natural historySwedish museumNatural historyLove dalenNorth americaIce ageஒன்றுபட்டது மாநிலங்களில்நகரம் ஆஃப்ஒன்றுபட்டது கிஂக்டம்ஸ்விட்ச் அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறுஸ்விட்ச் அருங்காட்சியகம்