I wonder if this is to allow safe digestion/absorption of blood types that might... | Hacker News

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		sthgrau on June 13, 2019 \| parent \| context \| favorite \| on: Enzyme pathway in human gut microbiome that conver... I wonder if this is to allow safe digestion/absorption of blood types that might otherwise cause rejection problems.

hirenj on June 13, 2019 [–]

It's likely there for either bacterial warfare, or degradation/metabolism of the mucus layer in the gut (or both).

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