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Table 1 Functional categories of representative core and pan genes of Enterococcus faecium genomes

From: Comparative genomic analysis revealed great plasticity and environmental adaptation of the genomes of Enterococcus faecium

COG Functional category No. of core genes No. of pan genes Proportion of core genes among pan genes (%)
[J] Translation, ribosomal structure and biogenesis 113 435 25.98
[A] RNA processing and modification 0 0 0
[K] Transcription 79 506 15.61
[L] Replication, recombination and repair 55 515 10.68
[B] Chromatin structure and dynamics 0 0 0
[D] Cell cycle control, cell division, chromosome partitioning 15 61 24.59
[Y] Nuclear structure 0 0 0
[V] Defense mechanisms 16 200 8.00
[T] Signal transduction mechanisms 31 204 15.20
[M] Cell wall/membrane/envelope biogenesis 49 539 9.09
[N] Cell motility 2 24 8.33
[Z] Cytoskeleton 0 0 0
[W] Extracellular structures 0 0 0
[U] Intracellular trafficking, secretion, and vesicular transport 12 229 5.24
[O] Post-translational modification, protein turnover, and chaperones 34 102 33.33
[C] Energy production and conversion 36 289 12.46
[G] Carbohydrate transport and metabolism 75 729 10.29
[E] Amino acid transport and metabolism 81 263 30.80
[F] Nucleotide transport and metabolism 52 91 57.14
[H] Coenzyme transport and metabolism 29 84 34.52
[I] Lipid transport and metabolism 31 85 36.47
[P] Inorganic ion transport and metabolism 63 207 30.43
[Q] Secondary metabolites biosynthesis, transport, and catabolism 9 55 16.36
[R] General function prediction only 136 545 24.95
[S] Function unknown 101 559 18.07