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Article

Recurrent introgression and geographical stratification shape Saccharomyces cerevisiae in the Neotropics.

Nature communications - 21 Feb 2026

Avelar-Rivas J Abraham, Sedeño Iván, García-Ortega Luis F, Urban Aragon Jose A, López-Gallegos Claudio, Aguirre-Dugua Xitlali, Mancera Eugenio, DeLuna Alexander, Morales Lucia

Abstract excerpt

From yeasts to humans, introgressive hybridization significantly influences the evolutionary history of living organisms by introducing new genetic diversity. Strains of Saccharomyces cerevisiae worldwide exhibit introgressions from the sister species S. paradoxus, despite the average sequence identity between these species being lower than 90%. While S. cerevisiae isolates from the Neotropics are known for their...

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PMID: 41723146
DOI: 10.1038/s41467-026-69138-0
PMCID: PMC13035892

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