Open AccessA re‐evaluation of the domestication bottleneck from archaeogenomic evidence
Author(s) -
Allaby Robin G.,
Ware Roselyn L.,
Kistler Logan
Publication year - 2019
Publication title -
evolutionary applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.776
H-Index - 68
ISSN - 1752-4571
DOI - 10.1111/eva.12680
Subject(s) - domestication , bottleneck , biology , population bottleneck , genetic diversity , evolutionary biology , diversity (politics) , population , selection (genetic algorithm) , ecology , genetics , allele , gene , demography , computer science , artificial intelligence , sociology , anthropology , microsatellite , embedded system
Domesticated crops show a reduced level of diversity that is commonly attributed to the “domestication bottleneck”; a drastic reduction in the population size associated with subsampling the wild progenitor species and the imposition of selection pressures associated with the domestication syndrome. A prediction of the domestication bottleneck is a sharp decline in genetic diversity early in the domestication process. Surprisingly, archaeological genomes of three major annual crops do not indicate that such a drop in diversity occurred early in the domestication process. In light of this observation, we revisit the general assumption of the domestication bottleneck concept in our current understanding of the evolutionary process of domestication.