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Top related persons:
it’s - 1 “ - 1 ” - 1 Frederik Seersholm - 1 ” Seersholm - 1 Seersholm - 1 Yersinia pestis - 1 It’s - 1
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2 mentions found


☆ Plague linked to mysterious disappearance of Europe’s first farmers
  + stars: | 2024-07-10 | by ( Katie Hunt | ) edition.cnn.com   time to read: +7 min
CNN —The oldest known plague victims date back to around 5,000 years ago in Europe. Genetic time travelGenetic information about pathogens can be preserved in human DNA, allowing scientists to time travel to find out about ancient diseases and how they evolved. (It’s also not possible to know for sure whether the people studied died of the plague — only that they were infected.) Karl-Göran SjögrenNonetheless, the study authors said their findings did not necessarily suggest a swift and deadly plague epidemic. Instead, the team found evidence of three distinct infection events, plus different variants of the bacterium that causes plague.
Persons: it’s, “, ”, Frederik Seersholm, ” Seersholm, Seersholm, Yersinia pestis, It’s, Karl, Göran, —, Mark Thomas, Thomas, wasn’t, he’s, ” Thomas Organizations: CNN, Lundbeck Foundation GeoGenetics, Globe Institute , University of Copenhagen, University College London Locations: Europe, Latvia, Sweden, Denmark, Northern Europe, France, it’s, Frälsegården, Scandinavia
☆ Oldest DNA sheds light on a 2 million-year-old ecosystem that has no modern parallel
  + stars: | 2022-12-07 | by ( Katie Hunt | ) edition.cnn.com   time to read: +6 min
CNN —A core of ice age sediment from northern Greenland has yielded the world’s oldest sequences of DNA. They then compared the DNA fragments with existing libraries of DNA collected from both extinct and living animals, plants and microorganisms. It was super exciting when we recovered the DNA (to see) that very, very different ecosystem. They found no DNA from carnivores but believe predators — such as bears, wolves or even saber-toothed tigers — must have been present in the ecosystem. Further study of environmental DNA from this time period could help scientists understand how various organisms might adapt to climate change.
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