TABLE 2.

Characteristics of population bins extracted from the FrBGR reactor

ID	Population bin “species name”a	Estimated (%):		Strain heterogeneity	Bin size (Mbp)
		Completeness	Contamination
Dglo	Dictyoglomus thermophilum	98	0	0	1.9
Tyel	Thermodesulfovibrio yellowstonii	98	9	95	2.2
Swol	Syntrophomonas wolfei cluster 1 (Swol_c1)	95	5	54	2.9
	Syntrophomonas wolfei cluster 2 (Swol_c2)	20	9	67	2.1
Prot	Unclassified Proteobacteria	94	3	33	4.1
Tpha	Thermacetogenium phaeum cluster 1 (Tpha_c1)	93	4	70	2.4
	Thermacetogenium phaeum cluster 2 (Tpha_c2)	76	12	80	1.8
unFi	unFirm02_FrBGR cluster 2 (unFi_c2)	86	5	100	2.1
	unFirm02_FrBGR cluster 1 (unFi_c1)	82	2	0	2.2
Athe	Anaerolinea thermophila	85	6	30	2.7
Atri	Unclassified Atribacteria bacterium (OP9) cluster 1 (Atri_c1)	84	43	98	2.7
	Unclassified Atribacteria bacterium (OP9) cluster 2 (Atri_c2)	41	15	100	1.8
Cste	Clostridium stercorarium cluster 2 (Cste_c2)	83	4	36	2.1
	Clostridium stercorarium cluster 1 (Cste_c1)	72	11	6	1.8
Plan	Unclassified Planctomycetes	83	8	82	4.1
Lcri	Lactobacillus crispatus	83	32	100	2.0
Cthe	Clostridium thermocellum	83	5	30	2.9
Bado	Bifidobacterium adolescentis	86	11	75	1.7
Lraf	Lactococcus raffinolactis	73	7	73	1.6
Fpen	Fervidobacterium pennivorans cluster 1 (Fpen_c1)	67	14	73	1.7
	Fervidobacterium pennivorans cluster 2 (Fpen_c2)	58	16	12	1.2
Acti	Unclassified Actinobacteria	55	18	12	2.4
Ther	Unclassified Thermoanaerobacteraceae	45	31	67	1.3
Tace	Tepidanaerobacter acetatoxydans	35	8	94	1.0
Ccla	Clostridium clariflavum	25	2	0	2.5
Pthe	Pelotomaculum thermopropionicum	20	3	0	1.0
Fnod	Fervidobacterium nodosum	16	2	0	0.5
Mbt	Methanothermobacter thermautotrophicus	15	1	100	0.3
Mst	Methanosaeta thermophila	8	0	0	0.1
Cprob	Coprothermobacter spp.	100	2,902	93	58
Amobb	Anaerobaculum spp.	100	1,100	84	24
Slipb	Syntrophothermus spp.	93	77	7	3.8

^aTaxonomic assignment of uncultured phylotypes was based on PhyloPythiaS+ analysis.

^bHigher-ranked population bin.