Figure 2
The COGs with significantly different expression levels in the four AMD communities. (a) Hierarchical clustering of the transcript COGs based on their relative abundances in each community. (b) The number and functional categories of COGs in each community with significantly higher or lower expression levels than those in the other three communities. COG categories: J: translation, ribosomal structure and biogenesis; A: RNA processing and modification; K: transcription; L: replication, recombination and repair; B: chromatin structure and dynamics; D: cell cycle control, cell division, chromosome partitioning; Y: nuclear structure; V: defense mechanisms; T: signal transduction mechanisms; M: cell wall/membrane/envelope biogenesis; N: cell motility; Z: cytoskeleton; W: extracellular structures; U: intracellular trafficking, secretion and vesicular transport; O: posttranslational modification, protein turnover, chaperones; C: energy production and conversion; G: carbohydrate transport and metabolism; E: amino-acid transport and metabolism; F: nucleotide transport and metabolism; H: coenzyme transport and metabolism; I: lipid transport and metabolism; P: inorganic ion transport and metabolism; and Q: secondary metabolites biosynthesis, transport and catabolism.
