16S rRNA Refseq V15.22 Genomic RefSeq V9.14
Human Oral Microbiome Taxon Description
Gemella morbillorum
Human Microbial Taxon ID:046Body Site:Oral
Named - Cultured
Diplococcus morbillorum
Peptostreptococcus morbillorum
Streptococcus morbillorum
Strain Information:
ATCC 27824
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NCBI Taxonomy ID:
16S rRNA Reference Sequences:
HOMD RefSeq ID: 046_3366,046_4327

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PubMed Search:151  [PubMed Link]
Nucleotide Search:661  [Entrez Nucleotide Link]
Protein Search:3184  [Entrez Protein Link]
By molecular cloning:
Clones seen = 546 / 34879 = 1.57%
Rank Abundance = 7
In other datasets:
Genome Sequence
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General Information:
This species was formerly known as Streptococcus morbillorum but was moved to Gemella on the basis of phylogenetic analysis based on 16S rRNA sequence comparisons.
Facultative anaerobe producing small (<0.5 mm diameter) colonies after two days aerobic growth on Blood Agar plates. It is reported that anaerobic incubation may be required for growth on initial isolation but that strains become aerotolerant on subsequent subcultures.
Phenotypic Characteristics:
Gram positive cocci found in pairs or short chains. Weakly fermentative and generally unreactive in commonly used biochemical and physiological tests and thus difficult to definitively identify by phenotypic means; molecular identification is recommended [1].
Prevalence and Source:
Found in dental plaque, on the tongue and has been isolated from periodontal pockets in periodontitis and exudate from pericoronitis associated with erupting third molars
Disease Associations:
Although found as part of the normal microbiota of the mouth and gastrointestinal orogenital tracts, Gemella morbillorum is capable of causing a wide range of infections. Most of these can be attributed to spread via the bloodstream and thus infective endocarditis is the commonest. Other infections include meningitis, brain, liver and lung abscess, osteomyelitis and septic thrombophlebitis.
PubMed database:
[1] La Scola B, Raoult D. Molecular identification of Gemella species from three patients with endocarditis. J Clin Microbiol. 1998 Apr;36(4):866-71  [PubMed]
Curator:  William Wade
Creation Info:   2007-12-28Latest Modification:  tsute,  2009-05-13 09:41:58
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