Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections: description of Aerococcus urinae sp. nov.

Aguirre, M.; Collins, Matthew D.

doi:10.1099/00221287-138-2-401

Cited by 112 publications

(61 citation statements)

References 26 publications

(8 reference statements)

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“…The phylogeny of Aerococcus and Pediococcus as determined by 16S rRNA sequence analysis showed that P. urinaeequi was closely related to A. viridans, and P. halophilus was reclassified in a new genus Tetragenococcus (1,8). Two Aerococcus-like cocci, Alloiococcus otitis and Helcococcus kunzii (2,7), as well as Aerococcus, Pediococcus and Tetragenococcus, were characterized by the absence of polyamines.…”

Section: Discussionmentioning

confidence: 99%

Polyamine distribution patterns in aerobic Gram-positive cocci and some radio-resistant bacteria.

Hamana¹

1994

J. Gen. Appl. Microbiol.

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Section: Discussionmentioning

confidence: 99%

Polyamine distribution patterns in aerobic Gram-positive cocci and some radio-resistant bacteria.

Hamana¹

1994

J. Gen. Appl. Microbiol.

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“…LV 65.5:W1 (AF076639) (Bratina et al 1998), Pediococcus urinaeequi (D87677) (Nageshima unpubl. ), bacterium B16S (AF300974) (Allen et al 2001), Aerococcus urinaehominis (AJ278341) (Lawson et al 2001a), Aerococcus christensenii (Y17005) (Collins et al 1999), Aerococcus urinae (M77819) (Aguirre & Collins 1992), Aerococcus sanguicola (AJ276512) (Lawson et al 2001b), Facklamia hominis (Y10772) (Collins et al 1997).…”

Section: Methodsmentioning

confidence: 99%

Genetic characterization of the lobster pathogen Aerococcus viridans var. homari by 16S rRNA gene sequence and RAPD

Greenwood

Keith²,

Despres³

et al. 2005

Dis. Aquat. Org.

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A combination of 16S rRNA sequencing and random amplified polymorphic DNA (RAPD) analysis was used to evaluate the genetic diversity within Aerococcus viridans var. homari, the causative agent of gaffkemia in lobsters. A collection of 7 A. viridans var. homari strains and 2 avirulent A. viridans-like cocci isolated from homarid lobsters harvested from different regions on the Atlantic Coast of North America were analyzed. The isolates are separated geographically and temporally between the years 1947 and 2000. Sequencing of 16S rRNA genes confirmed the inclusion of all 9 isolates in the monophyletic A. viridans clade (99.8 to 100% similarity). RAPD analysis revealed that the 9 A. viridans var. homari isolates could be separated into 2 distinct subtypes. Subtype 1 included the 7 pathogenic lobster isolates and constituted a homogeneous group regardless of their geographical, temporal or virulence differences. Subtype 2 contained the 2 avirulent A. viridans-like cocci that had distinct RAPD patterns and clustered separately with the non-marine A. viridans. RAPD analysis represented a useful method for determining molecular subtyping for the intraspecific classification and epidemiological investigations of A. viridans var. homari.

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“…An examination of the cell wall of strain CCUG 38207T revealed that the unknown coccus possessed a directly cross-linked murein based on L-lysine [type Ala, according to the nomenclature of Schleifer & Kandler (1972)l. This murein structure is found in a number of Gram-positive, catalase-negative coccus-shaped organisms, such as aerococci (Aguirre & Collins, 1992a), Alloiococcus otitis (Aguirre & Collins, 1992b), Globicatella sanguinis (Collins et al, 1992) …”

Section: D Collins and Othersmentioning

confidence: 99%

Characterization of a novel Gram-positive, catalase-negative coccus from horses: description of Eremococcus coleocola gen. nov. sp. nov.

Collins

Rodrı́guez

Lawson

et al. 1999

International Journal of Systematic and Evolutionary Microbiology

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Two strains of an unknown Gram-positive, catalase-negative, facultatively anaerobic coccus originating from the reproductive tract of horses were characterized by phenotypic and molecular taxonomic methods. Comparative 165 rRNA gene sequencing studies demonstrated that the two strains constitute a new subline within the lactic-acid group of bacteria, close to, but distinct from, Abiotrophia defectiva, Globicatella sanguinis and close relatives. The unknown bacterium was readily distinguished from other described Grampositive, catalase-negative cocci by biochemical tests and electrophoretic analysis of whole-cell proteins. On the basis of phylogenetic and phenotypic evidence, it is proposed that the unknown bacterium be classified as €remococcus coleocola gen. nov., sp. nov. The type strain of Eremococcus coleocola is CCUG 38207T.Keywords: Eremococcus coleocola gen. nov., sp. nov., taxonomy, phylogeny, 16srRNA, horseThe Gram-positive, catalase-negative cocci constitute a phenotypically heterogeneous group of organisms within the Clostridium subphylum of the Grampositive bacteria. In the 1986 edition of Bergey's Manual of Systematic Bacteriology, only six genera of Gram-positive, catalase-negative cocci were listed (Sneath et al., 1986). During the past decade, the number of described genera and species of Grampositive, catalase-negative cocci has increased considerably. Some of these new taxa have resulted from the taxonomic reorganization of existing genera, such as Enterococcus and Lactococcus from the genus Streptococcus; Oenococcus and Weissella from the genus Leuconostoc ; and Tetragenococcus from the genus Pediococcus (Collins et al., 1990(Collins et al., ,1993b; Dicks et their recognition has been largely facilitated by the availability of much-improved taxonomic frameworks, which in turn have stemmed from the use of phenotypic and molecular genetic methodologies in concert. Despite this rapid expansion in the number of described taxa, there is a growing awareness that many other genera and species of Gram-positive, catalasenegative cocci remain to be discovered, particularly from human and animal sources. In this study we describe the characteristics of an unknown a-haemolytic coccus isolated from the reproductive tract of two horses. On the basis of the results of a polyphasic taxonomic study, we describe yet another new taxon, Eremococcus coleocola gen. nov., sp. nov., within the Gram-positive, catalase-negative cocci.

show abstract

Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections: description of Aerococcus urinae sp. nov.

Cited by 112 publications

References 26 publications

Polyamine distribution patterns in aerobic Gram-positive cocci and some radio-resistant bacteria.

Polyamine distribution patterns in aerobic Gram-positive cocci and some radio-resistant bacteria.

Genetic characterization of the lobster pathogen Aerococcus viridans var. homari by 16S rRNA gene sequence and RAPD

Characterization of a novel Gram-positive, catalase-negative coccus from horses: description of Eremococcus coleocola gen. nov. sp. nov.

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