Ancient and modern mitogenomes from Central Argentina: new insights into population continuity, temporal depth and migration in South America

ANGELINA GARCÍA; RODRIGO NORES; JOSEFINA M. B. MOTTI; MAIA PAURO; PIERRE LUISI; CLAUDIO M. BRAVI; MARIANA FABRA; ANNA L. GOSLING; OLGA KARDAILSKY; JAMES BOOCOCK; NEUS SOLÉ-MORATA; ELIZABETH A. MATISOO-SMITH; DAVID COMAS; DARÍO A. DEMARCHI

HUMAN MOLECULAR GENETICS

OXFORD UNIV PRESS

Lugar: Oxford; Año: 2021 vol. 30 p. 1200 - 1200

0964-6906

he inverted triangle shape of South America places Argentina territory as a geographical crossroads between the two principal peopling streams that followed either the Pacific or the Atlantic coasts, which could have then merged in Central Argentina. Although the genetic diversity from this region is therefore crucial to decipher past population movements in South America, its characterization has been overlooked so far. We report 92 modern and 22 ancient mitogenomes spanning a temporal range of 5000 years, which were compared to a large set of previously reported data. Leveraging this dataset representative of the mitochondrial diversity of the subcontinent, we investigate the maternal history of Central Argentina populations within a wider geographical context. We describe a large number of novel clades within the mitochondrial DNA tree, thus providing new phylogenetic interpretations for South America. We also identify several local clades of great temporal depth with continuity un