Figure 1

Comparison of COG categories among four pseudomonad PGPR. Functional classifications provided by the COG database [40] were used for functional comparisons among the genomes of P. chlororaphis GP72, P. fluorescens Pf-5, P. aeruginosa M18, and P. stutzeri A1501. The ordinate axis indicates the percentage of genes in each COG functional category relative to the genes of all COG categories. Comparison was based on 22 COGs categories: RNA processing and modification (A), chromatin structure and dynamics (B), energy production and conversion (C), cell cycle control, cell division, chromosome partitioning (D), amino acid transport and metabolism (E), nucleotide transport and metabolism (F), carbohydrate transport and metabolism (G), coenzyme transport and metabolism (H), lipid transport and metabolism (I), translation, ribosomal structure and biogenesis (J), transcription (K), replication, recombination and repair (L), cell wall, membrane, envelope biogenesis (M), cell motility (N), posttranslational modification, protein turnover, chaperones (O), inorganic transport and metabolism (P), secondary metabolites biosynthesis, transport and catabolism (Q), general function prediction only (R), function unknown (S), signal transduction mechanisms (T), intracellular trafficking, secretion and vesicular transport (U), defense mechanisms (V).