PBS Eons Did an Ancient Pathogen Reshape our Cells? (Season 4, Episode 38)
TV Episode | 9 min | Documentary

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PBS Eons

Did an Ancient Pathogen Reshape our Cells? (Season 4, Episode 38)

TV Episode | 9 min | Documentary

Nearly all mammals have a sugar molecule, nickname 'alpha gal', on the surface of their cells that acts as a marker telling their immune system that their cells is not foreign invaders. The only exceptions are African monkeys and apes ...See moreNearly all mammals have a sugar molecule, nickname 'alpha gal', on the surface of their cells that acts as a marker telling their immune system that their cells is not foreign invaders. The only exceptions are African monkeys and apes including humans that have inactive genes for the marker. Biochemists believe this marker was lost 40 million years ago when our ancestral species of the time was infected with a pathogen that devastated the species leaving only those animals the didn't produce the marker to survive and continue to evolve. Written by David Foss See less

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Blake de Pastino Self - Host Self - Host See fewer	Come Out, Wherever You Are

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