Stockholm: Swedish scientist Svante Paabo has won the Nobel Prize in medicine for his discoveries on human evolution that provided key insights into our immune system and what makes us unique compared with our extinct cousins, the award’s panel said.
Paabo has spearheaded the development of new techniques that allowed researchers to compare the genome of modern humans and that of other hominins — the Neanderthals and Denisovans.
While Neanderthal bones were first discovered in the mid-19th century, only by unlocking their DNA — often referred to as the code of life — have scientists been able to fully understand the links between species.
This included the time when modern humans and Neanderthals diverged as a species, determined to be around 800,000 years ago, said Anna Wedell, chair of the Nobel Committee.
“Paabo and his team also surprisingly found that gene flow had occurred from Neanderthals to Homo sapiens, demonstrating that they had children together during periods of co-existence,” she said.
This transfer of genes between hominin species affects how the immune system of modern humans reacts to infections, such as the coronavirus. About 1-2% of people outside Africa have Neanderthal genes.
Paabo, 67, performed his prizewinning studies in Germany at the University of Munich and at the Max Planck Institute for Evolutionary Anthropology in Leipzig. Paabo is the son of Sune Bergstrom, who won the Nobel prize in medicine in 1982.
According to the Nobel Foundation, it’s the eighth time that the son or daughter of a Nobel laureate also won a Nobel Prize. Only once has a father-son duo shared the same Nobel Prize: in 1915 when Sir William Henry Bragg and his son William Laurence Bragg won the physics award together.
The prizes carry a cash award of 10 million Swedish kronor (nearly $900,000) and will be handed out on 10 December 2022. The money comes from a bequest left by the prize’s creator, Swedish inventor Alfred Nobel, who died in 1895.
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