Table 4 Functional distribution of HT genes
From: Horizontal gene transfer and genome evolution in Methanosarcina
COG category | Presence in Methanosarcina | Presence in Methanosarcinaceae | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | No. | Enz. | Tr. | 1 | 2 | 3 | No | Enz | Tr | 2 | 3 | 4 | 5 | 6 |
Information storage and processing: | 18 (9,7Â %) | 7 (11,7Â %) | |||||||||||||
J | Translation, ribosomal structure and biogenesis | 6 | 3 | 0 | 2 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
K | Transcription | 7 | 1 | 0 | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
L | Replication, recombination and repair | 5 | 2 | 0 | 2 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
Cellular processes and signaling: | 26 (14Â %) | 9 (15Â %) | |||||||||||||
V | Defense mechanisms | 11 | 7 | 3 | 4 | 5 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
T | Signal transduction mechanisms | 5 | 2 | 0 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
M | Cell wall/membrane/envelope biogenesis | 8 | 1 | 0 | 4 | 1 | 3 | 5 | 2 | 2 | 0 | 1 | 2 | 2 | 0 |
N | Cell motility | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
O | Posttranslational modification, protein turnover, chaperones | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
Metabolism: | 95 (51,3Â %) | 37 (54Â %) | |||||||||||||
C | Energy production and conversion | 21 | 10 | 0 | 3 | 14 | 4 | 10 | 2 | 0 | 0 | 1 | 6 | 3 | 0 |
E | Amino acid transport and metabolism | 25 | 10 | 8 | 1 | 13 | 11 | 9 | 5 | 1 | 0 | 0 | 2 | 1 | 6 |
F | Nucleotide transport and metabolism | 7 | 5 | 0 | 1 | 4 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 3 |
G | Carbohydrate transport and metabolism | 10 | 2 | 2 | 1 | 4 | 5 | 3 | 1 | 0 | 0 | 1 | 1 | 0 | 1 |
H | Coenzyme transport and metabolism | 10 | 3 | 0 | 1 | 7 | 2 | 4 | 1 | 0 | 1 | 0 | 1 | 0 | 2 |
I | Lipid transport and metabolism | 3 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
P | Inorganic ion transport and metabolism | 16 | 2 | 9 | 2 | 9 | 5 | 6 | 0 | 5 | 0 | 0 | 0 | 1 | 5 |
Q | Secondary metabolites biosynthesis, transport and catabolism | 3 | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 1 |
Poorly characterized: | 46 (24,8Â %) | 16 (23,5Â %) | |||||||||||||
R | General function prediction only | 31 | 10 | 2 | 10 | 13 | 8 | 11 | 2 | 0 | 0 | 0 | 3 | 2 | 6 |
S | Function unknown | 15 | 0 | 0 | 1 | 4 | 10 | 5 | 0 | 0 | 0 | 0 | 1 | 3 | 1 |