Molecular analysis of ancient caries

Marc Simón1, Rafael Montiel2, Andrea Smerling1

  • 1Unitat d'Antropologia Biològica, Department of Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona, Spain.

Summary

This study analyzed Streptococcus mutans dextranase evolution using ancient DNA. Modern populations show increased genetic diversity and positive selection at one site, suggesting population expansion and adaptation.