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16S rRNA RefSeq: V15.23    Genomic RefSeq: V10.1
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Solobacterium moorei (HMT-678)
Taxon Description:
Solobacterium moorei is a sufficiently close phylogenetic relative of Bulleidia extructa for the two species to be in the same genus. No formal proposal has yet been made but the name Bulleidia would take precedence by prior publication.

Disease Associations:
Has been associated with halitosis [23] and other infections of dental origin [45]. There are case reports of this organism causing septicaemia and vascular infections of various types.

Prevalence and Source:
Isolated from the human tongue and dental plaque. It is a member of only a relatively small number of species that are found in both the mouth and faeces
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Class: Erysipelotrichia
Order: Erysipelotrichales
Genus: Solobacterium
Species:Solobacterium moorei
Status: Named - Cultured
Type/Reference Strain: CIP 106864, JCM 10645
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Former Names or Synonyms:
Phylum: Firmicutes
unclassified Clostridium
16S rRNA Reference Sequences:    view in
RefSeq tree
RefSeq ID: 678_4915

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Genotypic Description:
Phenotypic Characteristics: Gram-posiitive non-sporing anaerobic bacilli [1]. Cells are short and straight or slightly curved and found singly or in pairs. Strains are saccharolytic fermenting fructose glucose maltose and sucrose. Acetate and lactate with trace amounts of succinate are formed as the end-products of metabolism. Arginine is hydrolysed and aesculin hydrolysed by some strains. There is no growth in 20 % bile hydrogen sulfide and indole are not produced and nitrate is not reduced. Urea is not hydrolysed. The mol % G+C content of the DNA is 37-39.
Cultivability: After 7 days incubation on Fastidious Anaerobe Agar plates (incorporating 5 % horse blood) colonies are 1 mm in diameter circular entire translucent and umbonate. Growth in broth media is markedly stimulated by the addition of 0.5 % Tween 80 in the presence of fermentable sugars.
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Microbial Ecology
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NCBI Taxon ID: 102148 [Link to NCBI]
PubMed Searches:
[NCBI PubMed Link]
[NCBI (Entrez) Nucleotide Link]
[NCBI (Entrez) Protein Link]
Number of
Genome Sequences:
4 See List
Phylogenetic Trees:
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[1] Downes J, Munson MA, Spratt DA, Kononen E, Tarkka E, Jousimies-Somer H, Wade WG. Characterisation of Eubacterium-like strains isolated from oral infections. J Med Microbiol. 2001 Nov;50(11):947-51
[2] Kazor CE, Mitchell PM, Lee AM, Stokes LN, Loesche WJ, Dewhirst FE, Paster BJ. Diversity of bacterial populations on the tongue dorsa of patients with halitosis and healthy patients. J Clin Microbiol. 2003 Feb;41(2):558-63
[3] Haraszthy VI, Zambon JJ, Sreenivasan PK, Zambon MM, Gerber D, Rego R, Parker C. Identification of oral bacterial species associated with halitosis. J Am Dent Assoc. 2007 Aug;138(8):1113-20
[4] Kageyama A, Benno Y. Phylogenic and phenotypic characterization of some Eubacterium-like isolates from human feces: description of Solobacterium moorei Gen. Nov., Sp. Nov. Microbiol Immunol. 2000;44(4):223-7
[5] Munson MA, Pitt-Ford T, Chong B, Weightman A, Wade WG. Molecular and cultural analysis of the microflora associated with endodontic infections. J Dent Res. 2002 Nov;81(11):761-6