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Surprising Evolutionary History of our Oral Bacteria


Max Planck Society
Researchers reconstruct the oral microbiomes of Neanderthals, primates, and humans, including the oldest oral microbiome ever sequenced from a 100,000-year-old Neanderthal, and discover unexpected clues about human evolution and health.
A new study published in PNAS compares ancient dental calculus of humans, Neanderthals, and other primates. Despite oral microbiome differences, researchers identified ten core bacterial types maintained within the human lineage for over 40 million years. The team discovered a high degree of similarity between Neanderthals and humans, including an apparent Homo-specific acquisition of starch digestion capability in oral streptococci, suggesting that the bacteria adapted to a dietary change that occurred in a common ancestor. ....

Katerina Guschanski , Christina Warinner , Floyd Dewhirst , Irina Velsko , Felix Wey , Werner Siemens Foundation , Proceedings Of The National Academy Sciences , Forsyth Institute , Royal Museum For Central Africa , Max Planck Society , Microbiome Sciences At Harvard University , Planck Society , National Academy , Max Planck Institute , Human History , James Fellows Yates , Senior Member , Royal Museum , Central Africa , Ice Age Europe , Microbiome Sciences , Harvard University , ஃபெலிக்ஸ் வெய் , வெர்னர் ஸீமெந்ஸ் அடித்தளம் , ஃபார்ஸித் நிறுவனம் , தேசிய கலைக்கழகம் ,

Oral microbiomes of Neanderthals, primates, and humans reconstructed, revealing insights into early human behaviour -- Science & Technology -- Sott.net


© Katerina Guschanski
Grauer s gorilla specimens at the Royal Museum for Central Africa in Tervuren (Belgium), showing typical dental calculus deposits on the teeth that are stained dark likely as a result of their herbivorous diet.Living in and on our bodies are trillions of microbial cells belonging to thousands of bacterial species, known as the microbiome. These microbes play key roles in human health, but little is known about their evolution. In a new study published in the
Proceedings of the National Academy of Sciences, a multidisciplinary international research team led by scientists at the Max Planck Institute for the Science of Human History (MPI-SHH) investigated the evolutionary history of the hominid oral microbiome by ....

Christina Warinner , Katerina Guschanski Grauer , Floyd Dewhirst , Irina Velsko , Yates El Al , Werner Siemens Foundation , Proceedings Of The National Academy Sciences , Forsyth Institute , Royal Museum For Central Africa , Microbiome Sciences At Harvard University , Katerina Guschanski , Royal Museum , Central Africa , National Academy , Max Planck Institute , Human History , James Fellows Yates , Senior Member , Ice Age Europe , Felix Wey , Seven Destructive Earth Passes , Microbiome Sciences , Harvard University , வெர்னர் ஸீமெந்ஸ் அடித்தளம் , ஃபார்ஸித் நிறுவனம் , அரச அருங்காட்சியகம் ,