Genome phylogenies indicate a meaningful alpha-proteobacterial phylogeny and support a grouping of the mitochondria with the Rickettsiales.

Abstract

Placement of the mitochondrial branch on the tree of life has been problematic. Sparse sampling, the uncertainty of how lateral gene transfer might overwrite phylogenetic signals, and the uncertainty of phylogenetic inference have all contributed to the issue. Here we address this issue using a supertree approach and completed genomic sequences. We first… (More)

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