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Table 1 The 40 most frequently found microbial species in the Bacteria domain

From: Characterization of a biogas-producing microbial community by short-read next generation DNA sequencing

Phylum

Class

Species

Abundance

Cellulase

H2 production

Firmicutes

Clostridia

Clostridium thermocellum

406

+

+

Firmicutes

Clostridia

Alkaliphilus metalliredigens

310

-

+

Firmicutes

Clostridia

Desulfitobacterium hafniense

246

-

+

Firmicutes

Clostridia

Caldanaerobacter subterraneus

237

-

+

Firmicutes

Clostridia

Pelotomaculum thermopropionicum

227

-

+

Firmicutes

Clostridia

Finegoldia magna

208

-

+

Firmicutes

Clostridia

Syntrophomonas wolfei

203

-

+

Firmicutes

Clostridia

Clostridium difficile

188

+

+

Firmicutes

Clostridia

Moorella thermoacetica

186

-

+

Firmicutes

Clostridia

Clostridium kluyveri

176

n.d.

+

Firmicutes

Clostridia

Carboxydothermus hydrogenoformans

161

-

+

Firmicutes

Clostridia

Heliobacterium modesticaldum

150

-

+

Firmicutes

Clostridia

Desulfotomaculum reducens

139

-

+

Firmicutes

Clostridia

Clostridium cellulolyticum

126

+

+

Firmicutes

Bacilli

Enterococcus faecalis

112

n.d.

+

Firmicutes

Bacilli

Bacillus cereus

102

+

+

Firmicutes

Bacilli

Streptococcus suis

93

+

-

Firmicutes

Clostridia

Caldicellulosiruptor saccharolyticus

93

+

+

Firmicutes

Clostridia

Clostridium perfringens

87

-

+

Firmicutes

Clostridia

Thermoanaerobacterium thermosaccharolyticum

86

-

+

Firmicutes

Clostridia

Ruminococcus albus

83

+

+

Firmicutes

Clostridia

Clostridium saccharolyticum

78

+

+

Firmicutes

Clostridia

Clostridium acetobutylicum

63

+

+

Firmicutes

Bacilli

Bacillus thuringiensis

62

+

+

Firmicutes

Bacilli

Streptococcus pneumoniae

61

-

n.d.

Firmicutes

Bacilli

Listeria monocytogenes

61

n.d.

n.d.

Firmicutes

Bacilli

Streptococcus agalactiae

57

n.d.

-

Firmicutes

Bacilli

Enterococcus faecium

57

n.d.

+

Firmicutes

Clostridia

Anaerotruncus colihominis

55

n.d.

n.d.

Firmicutes

Clostridia

Faecalibacterium prausnitzii

54

-

+

Firmicutes

Clostridia

Clostridium carboxidivorans

49

-

+

Firmicutes

Bacilli

Staphylococcus epidermidis

44

+

+

Bacteroidetes

Bacteroidia

Bacteroides capillosus

73

+

+

Bacteroidetes

Bacteroidia

Bacteroides thetaiotaomicron

46

+

+

Bacteroidetes

Bacteroidia

Parabacteroides distasonis

46

-

+

Tenericutes

Mollicutes

Acholeplasma laidlawii

247

-

-

Proteabacteria

Gammaproteobacteria

Escherichia coli

23

-

+

Actinobacteria

Actinobacteria (class)

Slackia heliotrinireducens

70

-

+

Actinobacteria

Actinobacteria (class)

Bifidobacterium longum

46

-

-

Unclassified (derived from Bacteria)

Unclassified (derived from Bacteria)

Candidatus Cloacamonas acidaminovorans

889

-

+

  1. Results were based on best M5nr database hits. The relative abundance values and presence of cellulose or hydrogenase activities are indicated. n.d. = not determined, i.e., no information was found in the protein databases or indicated as hypothetical protein.