Phylogenetic analysis of the genera Proteus, Morganella and Providencia by comparison of rpoB sequences of type and clinical strains suggests the classification of Proteus myxofaciens in a new genus Cosenzaea gen. nov., as Cosenzaea myxofaciens comb. nov.

Giovanni Giammanco, Sarina Pignato, Francine Grimont, Patrick A. D. Grimont, Martine Lefevre, Giuseppe Giammanco

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Abstract

Phylogenetic analysis of partial rpoB gene sequences of type and clinical strains belonging to different 16S rRNA gene-fingerprinting ribogroups within 11 species of enterobacteria of the genera Proteus, Morganella and Providencia was performed and allowed the definition of rpoB clades, supported by high bootstrap values and confirmed by ≥2.5 % nucleotide divergence. None of the resulting clades included strains belonging to different species and the majority of the species were confirmed as discrete and homogeneous. However, more than one distinct rpoB clade could be defined among strains belonging to the species Proteus vulgaris (two clades), Providencia alcalifaciens (two clades) and Providencia rettgeri (three clades), suggesting that some strains represent novel species according to the genotypes outlined by rpoB gene sequence analysis. Percentage differences between the rpoB gene sequence of the type strain of Proteus myxofaciens and other members of the same genus (17.3-18.9 %) were similar to those calculated amongst strains of the genus Providencia (16.4-18.7 %), suggesting a genetic distance at the genus-level between Proteus myxofaciens and the rest of the Proteus-Providencia group. Proteus myxofaciens therefore represents a member of a new genus, for which the name Cosenzaea gen. nov., is proposed.
Lingua originaleEnglish
pagine (da-a)1638-1644
Numero di pagine7
RivistaInternational Journal of Systematic and Evolutionary Microbiology
Volume61
Stato di pubblicazionePublished - 2011

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Morganella
Providencia
Comb and Wattles
Proteus
new genus
taxonomy
phylogenetics
phylogeny
gene
nucleotide sequences
Providencia alcalifaciens
Proteus vulgaris
Genes
Providencia rettgeri
Enterobacteriaceae
rRNA Genes
Names
Sequence Analysis
genotype
Nucleotides

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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@article{a953d786230b431990b7e29f72bc1ca6,
title = "Phylogenetic analysis of the genera Proteus, Morganella and Providencia by comparison of rpoB sequences of type and clinical strains suggests the classification of Proteus myxofaciens in a new genus Cosenzaea gen. nov., as Cosenzaea myxofaciens comb. nov.",
abstract = "Phylogenetic analysis of partial rpoB gene sequences of type and clinical strains belonging to different 16S rRNA gene-fingerprinting ribogroups within 11 species of enterobacteria of the genera Proteus, Morganella and Providencia was performed and allowed the definition of rpoB clades, supported by high bootstrap values and confirmed by ≥2.5 {\%} nucleotide divergence. None of the resulting clades included strains belonging to different species and the majority of the species were confirmed as discrete and homogeneous. However, more than one distinct rpoB clade could be defined among strains belonging to the species Proteus vulgaris (two clades), Providencia alcalifaciens (two clades) and Providencia rettgeri (three clades), suggesting that some strains represent novel species according to the genotypes outlined by rpoB gene sequence analysis. Percentage differences between the rpoB gene sequence of the type strain of Proteus myxofaciens and other members of the same genus (17.3-18.9 {\%}) were similar to those calculated amongst strains of the genus Providencia (16.4-18.7 {\%}), suggesting a genetic distance at the genus-level between Proteus myxofaciens and the rest of the Proteus-Providencia group. Proteus myxofaciens therefore represents a member of a new genus, for which the name Cosenzaea gen. nov., is proposed.",
author = "Giovanni Giammanco and Sarina Pignato and Francine Grimont and Grimont, {Patrick A. D.} and Martine Lefevre and Giuseppe Giammanco",
year = "2011",
language = "English",
volume = "61",
pages = "1638--1644",
journal = "International Journal of Systematic and Evolutionary Microbiology",
issn = "1466-5026",
publisher = "Society for General Microbiology",

}

TY - JOUR

T1 - Phylogenetic analysis of the genera Proteus, Morganella and Providencia by comparison of rpoB sequences of type and clinical strains suggests the classification of Proteus myxofaciens in a new genus Cosenzaea gen. nov., as Cosenzaea myxofaciens comb. nov.

AU - Giammanco, Giovanni

AU - Pignato, Sarina

AU - Grimont, Francine

AU - Grimont, Patrick A. D.

AU - Lefevre, Martine

AU - Giammanco, Giuseppe

PY - 2011

Y1 - 2011

N2 - Phylogenetic analysis of partial rpoB gene sequences of type and clinical strains belonging to different 16S rRNA gene-fingerprinting ribogroups within 11 species of enterobacteria of the genera Proteus, Morganella and Providencia was performed and allowed the definition of rpoB clades, supported by high bootstrap values and confirmed by ≥2.5 % nucleotide divergence. None of the resulting clades included strains belonging to different species and the majority of the species were confirmed as discrete and homogeneous. However, more than one distinct rpoB clade could be defined among strains belonging to the species Proteus vulgaris (two clades), Providencia alcalifaciens (two clades) and Providencia rettgeri (three clades), suggesting that some strains represent novel species according to the genotypes outlined by rpoB gene sequence analysis. Percentage differences between the rpoB gene sequence of the type strain of Proteus myxofaciens and other members of the same genus (17.3-18.9 %) were similar to those calculated amongst strains of the genus Providencia (16.4-18.7 %), suggesting a genetic distance at the genus-level between Proteus myxofaciens and the rest of the Proteus-Providencia group. Proteus myxofaciens therefore represents a member of a new genus, for which the name Cosenzaea gen. nov., is proposed.

AB - Phylogenetic analysis of partial rpoB gene sequences of type and clinical strains belonging to different 16S rRNA gene-fingerprinting ribogroups within 11 species of enterobacteria of the genera Proteus, Morganella and Providencia was performed and allowed the definition of rpoB clades, supported by high bootstrap values and confirmed by ≥2.5 % nucleotide divergence. None of the resulting clades included strains belonging to different species and the majority of the species were confirmed as discrete and homogeneous. However, more than one distinct rpoB clade could be defined among strains belonging to the species Proteus vulgaris (two clades), Providencia alcalifaciens (two clades) and Providencia rettgeri (three clades), suggesting that some strains represent novel species according to the genotypes outlined by rpoB gene sequence analysis. Percentage differences between the rpoB gene sequence of the type strain of Proteus myxofaciens and other members of the same genus (17.3-18.9 %) were similar to those calculated amongst strains of the genus Providencia (16.4-18.7 %), suggesting a genetic distance at the genus-level between Proteus myxofaciens and the rest of the Proteus-Providencia group. Proteus myxofaciens therefore represents a member of a new genus, for which the name Cosenzaea gen. nov., is proposed.

UR - http://hdl.handle.net/10447/61098

M3 - Article

VL - 61

SP - 1638

EP - 1644

JO - International Journal of Systematic and Evolutionary Microbiology

JF - International Journal of Systematic and Evolutionary Microbiology

SN - 1466-5026

ER -