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Table 1 Operational taxonomic units (OTUs) of mcrA gene sequences from colonic digesta of finishing pigs

From: Diversity and community of methanogens in the large intestine of finishing pigs

OTUmcrAb

Clones

Nearest Taxon

% Sequence Identity

OTU0

1

NHa

\

OTU1

1

Methanobrevibacter sp. WBY1 (EU919429.1)

93

OTU2

1

NH

\

OTU3

2

Methanogenic archaeon WGK1 (GQ339874.1)

99

OTU4

1

Uncultured Archaeon (AB557213.1)

81

OTU5

1

Methanosphaera stadtmanae DSM 3091 (AJ584650.1)

85

OTU6

3

Methanobrevibacter smithii (CP017803.1)

95

OTU7

1

Methanobrevibacter sp. WBY1 (EU919429.1)

92

OTU8

2

Methanosphaera stadtmanae DSM 3091 (AJ584650.1)

84

OTU9

101

Methanobrevibacter sp. WBY1 (EU919429.1)

97

OTU10

1

Methanobrevibacter olleyae (CP014265.1)

92

OTU11

1

Candidatus Methanoplasma termitum (CP010070.1)

88

OTU12

2

Candidatus Methanoplasma termitum (CP010070.1)

84

OTU13

4

uncultured Methanobrevibacter sp. (JF973609.1)

94

OTU14

7

Methanogenic archaeon WGK1 (GQ339874.1)

85

OTU15

1

NH

\

OTU16

1

Methanobrevibacter sp. WBY1 (EU919429.1)

96

OTU17

1

uncultured Methanomassiliicoccales archaeon (KT225447.1)

82

OTU18

1

Methanobrevibacter sp. WBY1 (EU919429.1)

96

OTU19

1

Methanobrevibacter sp. WBY1 (EU919429.1)

92

OTU20

1

uncultured Methanomassiliicoccales archaeon (EF628111.1)

81

OTU21

3

unclassified Methanomicrobiales (miscellaneous) (GQ339874.1)

93

OTU22

2

Methanosphaera stadtmanae DSM 3091 (AJ584650.1)

84

OTU23

5

Methanobrevibacter sp. WBY1 (EU919429.1)

93

OTU24

1

uncultured Methanobrevibacter sp. (KC618377.1)

96

OTU25

1

Candidatus Methanomethylophilus. (KC412011.1)

97

OTU26

1

Methanobrevibacter sp. WBY1 (EU919429.1)

90

OTU27

1

Methanobrevibacter sp. WBY1 (EU919429.1)

84

OTU28

1

NH

\

OTU29

1

Methanobrevibacter sp. WBY1 (EU919429.1)

85

OTU30

1

uncultured Methanoculleus sp. (AM284387.1)

100

OTU31

1

Methanobrevibacter smithii (LT223564.1)

88

OTU32

6

uncultured Methanomassiliicoccales archaeon (KT225454.1)

86

OTU33

26

Methanosphaera stadtmanae DSM 3091 (AJ584650.1)

88

OTU34

1

NH

\

OTU35

1

Methanobrevibacter sp. WBY1 (EU919429.1)

93

OTU36

24

uncultured Methanomassiliicoccales archaeon (KT225454.1)

85

OTU37

1

Methanobrevibacter sp. WBY1 (EU919429.1)

96

OTU38

1

Methanogenic archaeon WGK1 (GQ339874.1)

94

OTU39

1

Methanobrevibacter smithii (CP017803.1)

84

OTU40

1

uncultured methanogenic archaeon (EF628097.1)

90

OTU41

1

Methanobrevibacter sp. WBY1 (EU919429.1)

88

OTU42

1

uncultured Methanomassiliicoccales archaeon (KT225454.1)

75

OTU43

2

Methanobrevibacter sp. WBY1 (EU919429.1)

94

  1. aNH-No hit sequence on methanogens in the database
  2. bOTUmcrA-mcrA sequences were obtained from the DOTUR program as a unique sequence, while OTUs were generated by the DOTUR program at 97% species-level identity