HOMD ::genus::Gemella

Genus: Gemella

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Full Lineage: Bacteria; Firmicutes; Bacilli; Bacillales; Gemellaceae; Gemella
Lower rank member(s): [Species:Gemella morbillorum] [Species:Gemella bergeri] [Species:Gemella haemolysans] [Species:Gemella sanguinis] [Species:Gemella sp._HMT_928]

^th

From: Segata et al.(2012)

No Notes

percent abundance

	SubP	SupP	KG	BM	HP	SV	TH	PT	TD	ST
Avg	0.701	0.613	4.364	7.267	4.035	0.843	2.237	2.218	0.935	0.007
Stdev	1.430	1.228	4.205	6.547	4.461	0.653	2.496	2.434	0.861	0.053

From: Eren et al.(2014) (V1-V3)

No Notes

percent abundance

	SubP	SupP	KG	BM	HP	SV	TH	PT	TD	ST
Avg	0.835	0.616	5.859	8.117	4.522	1.030	2.478	2.742	1.232	0.003
10^thp	0.072	0.033	0.608	1.603	1.100	0.071	0.298	0.214	0.148	0.000
90^thp	1.414	1.209	11.608	16.411	10.045	1.989	6.696	6.141	3.647	0.000
Stdev	1.763	1.054	4.963	6.372	4.487	0.951	2.797	3.239	1.270	0.012
Prev	92.208	94.805	100.000	100.000	100.000	92.208	98.701	100.000	96.104	9.091

From: Eren et al.(2014) (V3-V5)

No Notes

percent abundance

	SubP	SupP	KG	BM	HP	SV	TH	PT	TD	ST
Avg	0.455	0.454	2.642	5.281	2.482	0.615	1.797	1.545	0.710	0.000
10^thp	0.029	0.023	0.285	0.700	0.514	0.129	0.159	0.162	0.063	0.000
90^thp	0.823	0.774	5.737	12.147	4.870	1.201	4.635	3.208	1.507	0.000
Stdev	0.797	0.918	2.665	5.352	2.741	0.480	2.028	2.019	0.734	0.002
Prev	90.541	90.541	99.324	99.324	99.324	96.622	97.297	97.973	97.297	1.399

From: Dewhirst 35x9 data (not published yet)

No Notes

percent abundance

	SubP	SupP	KG	BM	HP	SV	TH	PT	TD	NS
Avg	0.686	0.632	2.848	3.874	2.024	1.768	1.665	1.918	1.132	0.023
10^thp	0.016	0.060	0.208	0.325	0.337	0.159	0.204	0.167	0.178	0.000
90^thp	1.654	1.474	9.232	9.423	4.540	4.168	3.898	6.250	2.525	0.070
Stdev	1.008	0.945	3.514	6.358	1.883	1.886	2.232	2.789	1.007	0.066
Prev	100.000	100.000	100.000	100.000	100.000	100.000	100.000	100.000	100.000	30.000

Overview: There are five species of Gemella in the human oral microbiome: G. bergeri, G. haemolysans, G. morbillorum, G. sanguinis, and G. sp. HMT 928.

Ecological role/importance in health and disease: Gemella species reach their highest relative abundance on the buccal mucosa and keratinized gingiva, where G. haemolysans makes up 5-8% of the community. G. sanguinis makes up about 1% of the tongue dorsum microbiota and G. haemolysans and G. morbillorum together make up 0.5-1% of dental plaque in healthy individuals. Gemella species can be opportunistic pathogens; G. morbillorum and, less frequently, G. haemolysans are detected in endocarditis and other opportunistic infections (García López and Martín-Galiano 2020).

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