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Ancient Gene Boosted Survival of Early Americans, Study Reveals

8/22/2025

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Summary

Story summary

A study indicates ancient humans migrating to the Americas carried a Denisovan variant of the MUC19 gene, aiding adaptation.
This gene, associated with immune responses, was transferred from Denisovans to Neanderthals and modern humans through interbreeding.
The variant is common in modern Indigenous Americans, suggesting it offered survival advantages against pathogens.
Researchers plan to explore the gene's specific functions and benefits further.

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Story summary

A study indicates ancient humans migrating to the Americas carried a Denisovan variant of the MUC19 gene, aiding adaptation.
This gene, associated with immune responses, was transferred from Denisovans to Neanderthals and modern humans through interbreeding.
The variant is common in modern Indigenous Americans, suggesting it offered survival advantages against pathogens.
Researchers plan to explore the gene's specific functions and benefits further.