Article
Population genomics of Vibrionaceae isolated from an endangered oasis reveals local adaptation after an environmental perturbation.
BMC genomics - 22 Jun 2020
Vázquez-Rosas-Landa Mirna, Ponce-Soto Gabriel Yaxal, Aguirre-Liguori Jonás A, Thakur Shalabh, Scheinvar Enrique, Barrera-Redondo Josué, Ibarra-Laclette Enrique, Guttman David S, Eguiarte Luis E, Souza Valeria
Abstract excerpt
BACKGROUND: In bacteria, pan-genomes are the result of an evolutionary "tug of war" between selection and horizontal gene transfer (HGT). High rates of HGT increase the genetic pool and the effective population size (Ne), resulting in open pan-genomes. In contrast, selective pressures can lead to local adaptation by purging the variation introduced by HGT and mutation, resulting in closed pan-genomes and clonal...
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