… bacterial species can evolve through a variety of processes including mutations, rearrangements
or horizontal gene transfer… core genes encoding essential metabolic functions, bacterial …

… Importantly, the rates and bounds of this gene transfer can vary … bacterial speciation
under different recombination/selection balances. Five stages in the process of speciation …

… is controversy about the existence of bacterial species and speciation. However, we treat …
involved ecological transitions (facilitated by horizontal gene transfer) followed by selection on …

… the evolutionary history of genes involved in the production … operon has been transferred
through horizontal gene transfer. … of phenazine genes from multiple bacterial species. Patchy …

… Horizontal gene transfer (HGT) as well as the loss of genes may lead to the same pheontype
in a phylogenetically diverse group of isolates. In this article, we will term groups of isolates …

… loci can sweep through competing strains and species. In this way, … ecological species do
not exist, because genes, not species, … impacts on both bacterial and archaeal genomes 8 . …

… archaeal and bacterial species; however, because the transfers occur between related
species, the gene tree of each type of aaRS remains in good agreement with the species tree 40 . …

… genes in bacterial and archaeal genomes belongs to gene strings (probable operons) shared
by at least two distantly related species [7]… used as the master species set for this analysis. …

… If we take into consideration that most bacterial species evolved before the emergence of …
bacterium to another of preexisting genes, a suitable conclusion would be that bacterial genes …

… species. Here, we propose and test a novel hypothesis for the extreme diversity of bacterial
species… can be facilitated in nature by horizontal genetic transfer, and huge population sizes …