Table 3.

Number of genes associated with 26 general COGs functional categories of strain AT3^T

Code	1	2	3	4	5	6	7	8	Description
J	151	141	144	149	153	148	151	134	Translation
A	0	0	0	0	0	0	0	0	RNA processing and modification
K	201	222	191	282	256	195	181	138	Transcription
L	106	161	116	201	294	147	124	119	Replication, recombination and repair
B	0	0	0	1	0	0	0	0	Chromatin structure and dynamics
D	24	29	25	28	36	22	31	29	Cell cycle control, mitosis and meiosis
Y	0	0	0	0	0	0	0	0	Nuclear structure
v	42	69	48	98	123	60	80	49	Defence mechanisms
T	85	84	111	124	119	85	127	57	Signal transduction mechanisms
M	93	121	116	160	109	107	149	107	Cell wall/membrane biogenesis
N	8	45	49	5	37	57	9	8	Cell motility
Z	0	0	0	0	0	0	0	0	Cytoskeleton
w	0	0	0	0	0	0	0	0	Extracellular structures
U	14	23	20	44	47	13	17	17	Intracellular trafficking and secretion
O	58	53	56	56	62	59	66	45	Posttranslational modification, protein turnover, chaperones
X	5	16	6	22	22	25	16	15	Mobilome: prophages, transposons
C	148	149	126	109	111	99	108	82	Energy production and conversion
G	255	236	272	307	219	179	144	105	Carbohydrate transport and metabolism
E	227	236	191	193	135	157	126	113	Amino acid transport and metabolism
F	85	74	66	71	53	51	54	51	Nucleotide transport and metabolism
H	77	78	71	64	45	33	87	49	Coenzyme transport and metabolism
I	59	46	40	41	40	43	61	58	Lipid transport and metabolism
P	83	101	93	99	59	66	64	51	Inorganic ion transport and metabolism
Q	33	28	16	19	21	21	34	24	Secondary metabolites biosynthesis, transport and catabolism
R	249	284	245	292	296	236	295	182	General function prediction only
S	156	199	170	175	181	161	139	125	Function unknown

COGs, Clusters of Orthologous Groups database.

1, Strain AT3; 2, Anaerotruncus colihominis; 3, Hydrogenoanaerobacterium saccharovorans; 4, Ruthenibacterium lactatiformans; 5, Acutalibacter muris; 6, Acetanaerobacterium elongatum; 7, Ruminococcus flavefaciens; 8, Ruminococcus champanellensis.