Ancient Neanderthal genome reveals isolated, distinct populations
Why it matters: This study redefines our understanding of Neanderthal population dynamics and genetic evolution over 110,000 years.
- D17, a 110,000-year-old male Neanderthal genome from Denisova Cave, was sequenced with high accuracy, revealing long stretches of homozygosity indicative of close parental relation and small, isolated populations.
- Researchers compared D17's genetic data with previously mapped Neanderthal DNA from Europe and the Altai Mountains, dating from 50,000 to 120,000 years ago.
- Analysis showed that genetic differences between eastern and western Neanderthals were as substantial as, or even greater than, those between the most genetically distinct modern human populations today, suggesting rapid allele frequency accumulation due to isolation.
A groundbreaking study, leveraging a newly sequenced 110,000-year-old Neanderthal genome (D17) from Siberia's Denisova Cave, reveals that Neanderthals rapidly diverged into distinct, isolated regional populations much earlier than modern humans. This research, published in Proceedings of the National Academy of Sciences, highlights significant genetic differences between eastern and western Neanderthals, suggesting small, inbred groups that fostered accelerated genetic changes.
