Mixta gen. nov., a new genus in the Erwiniaceae

International Journal of Systematic and Evolutionary Microbiology
Marike PalmerStephanus N Venter

Abstract

The Erwiniaceae contain many species of agricultural and clinical importance. Although relationships among most of the genera in this family are relatively well resolved, the phylogenetic placement of several taxa remains ambiguous. In this study, we aimed to address these uncertainties by using a combination of phylogenetic and genomic approaches. Our multilocus sequence analysis and genome-based maximum-likelihood phylogenies revealed that the arsenate-reducing strain IMH and plant-associated strain ATCC 700886, both previously presumptively identified as members of Pantoea, represent novel species of Erwinia. Our data also showed that the taxonomy of Erwinia teleogrylli requires revision as it is clearly excluded from Erwinia and the other genera of the family. Most strikingly, however, five species of Pantoea formed a distinct clade within the Erwiniaceae, where it had a sister group relationship with the Pantoea + Tatumella clade. By making use of gene content comparisons, this new clade is further predicted to encode a range of characters that it shares with or distinguishes it from related genera. We thus propose recognition of this clade as a distinct genus and suggest the name Mixta in reference to the diverse habitats...Continue Reading

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Citations

Nov 2, 2019·International Journal of Systematic and Evolutionary Microbiology·Mengli XiaYu Yang
Nov 5, 2019·PloS One·Craig D Soutar, John Stavrinides
May 6, 2020·International Journal of Systematic and Evolutionary Microbiology·Lingmin JiangJiyoung Lee
Nov 19, 2019·Frontiers in Microbiology·James T Tambong
Jan 28, 2021·International Journal of Systematic and Evolutionary Microbiology·Undine BehrendtAndreas Ulrich
Aug 10, 2021·Infection Prevention in Practice·Christo Tsilifis, Lucia Pareja-Cebrian

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