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16S rRNA RefSeq: V15.23    Genomic RefSeq: V10.1
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Finegoldia magna (HMT-662)
Taxon Description:
Finegoldia magna is not believed to be a resident of the human oral cavity. There have been no reports of its isolation verified by molecular sequence analysis.

Disease Associations:
It is thought to be part of the female urogenital microbiota and is one of the commonest clinical anaerobic isolates from wounds and abscesses primarily associated with the gastrointestinal and urogenital tracts. Is unusual among anaerobes in that it can cause infections which may be serious alone in pure culture [1].

Prevalence and Source:
Not thought to be part of the oral microbiota but has been isolated from extra-oral soft tissue infections of the head and neck.
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Class: Tissierellia
Order: Tissierellales
Genus: Finegoldia
Species:Finegoldia magna
Status: Named - Cultured
Type/Reference Strain: ATCC 15794
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Former Names or Synonyms:
Diplococcus magnus
Peptococcus magnus
Peptostreptococcus magnus
Phylum: Firmicutes
16S rRNA Reference Sequences:    view in
RefSeq tree
RefSeq ID: 662N000B
RefSeq ID: 662_4677

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Genotypic Description:
Phenotypic Characteristics: Gram-positive large cocci occurring singly and in pairs tetrads and clusters [2]. Obligately anaerobic and weakly saccharolytic producing small amounts of acid from glucose and fructose. Ammonia is produced from glycine but not glutamine. Urease is not produced. The major end-product of metabolism is acetate. The mol % G+C content of the DNA is 32-34.
Cultivability: Forms small (< 0. 5mm diameter) colonies after 48-h anaerobic incubation on Blood Agar plates.
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Microbial Ecology
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NCBI Taxon ID: 1260 [Link to NCBI]
PubMed Searches:
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Number of
Genome Sequences:
27 See List
Phylogenetic Trees:
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[1] Murdoch DA. Gram-positive anaerobic cocci. Clin Microbiol Rev. 1998 Jan;11(1):81-120
[2] Holdeman Moore LV, Johnson JL, Moore, WEC. The genus Peptostreptococcus. Bergeys Manual of Systematic Bacteriology 1986; Vol. 2, pp. 1089-1090.