Table 1 Gene repertoire of the Buchnera and E. coli genomes and their comparison with the results of the W. pallidipes gene scan based on an E. coli K12 gene array
Functional annotation (COGs)* | Genes in W. pallidipes (gene array) | Genes shared by W. pallidipes and Buchnera | Genes in Buchnera sp. APS (genomic sequence) | Genes in E. coli K12 (genomic sequence) |
|---|---|---|---|---|
Information storage and processing | ||||
Translation, ribosomal structure and biogenesis | 69 | 62 | 117 | 166 |
Transcription | 32 | 10 | 16 | 245 |
DNA replication, recombination and repair | 24 | 6 | 40 | 209 |
Cellular processes | ||||
Cell division and chromosome partitioning | 8 | 6 | 9 | 28 |
Post-translational modification, protein turnover, chaperones | 19 | 13 | 32 | 117 |
Cell envelope biogenesis, outer membrane | 28 | 8 | 24 | 200 |
Cell motility and secretion | 21 | 10 | 42 | 136 |
Inorganic ion transport and metabolism | 28 | 4 | 16 | 172 |
Signal transduction mechanisms | 18 | 1 | 5 | 140 |
Metabolism | ||||
Energy production and conversion | 54 | 11 | 44 | 266 |
Carbohydrate transport and metabolism | 53 | 11 | 31 | 333 |
Amino acid transport and metabolism | 85 | 21 | 55 | 342 |
Nucleotide transport and metabolism | 20 | 7 | 29 | 88 |
Coenzyme metabolism | 27 | 13 | 32 | 117 |
Lipid metabolism | 14 | 5 | 13 | 84 |
Secondary metabolite biosynthesis, transport and catabolism | 16 | 2 | 4 | 89 |
Poorly characterized | ||||
General function prediction only | 42 | 5 | 29 | 302 |
Function unknown | 15 | 0 | 20 | 255 |
Not in COGs | 72 | 0 | 6 | 1000 |