Transcriptional profiling of Klebsiella pneumoniae defines signatures for planktonic, sessile and biofilm-dispersed cells

Table 1 Summary of the COG affiliation for the under-expressed and overexpressed boxes in each condition

Condition	Cluster containing under-expressed box	Cluster containing overexpressed box	COG affiliation ^a
Exponential planktonic	5 and 8		Amino acid transport and metabolism - Energy production and conversion
Exponential planktonic		1 and 6	Inorganic ion transport and metabolism - Function unknown
Stationary planktonic	9		Amino acid transport and metabolism - Function unknown
Stationary planktonic		7 and 10	Carbohydrate transport and metabolism - Function unknown
		8	Energy production and conversion - Amino acid transport and metabolism
7 h-old biofilm		5	Energy production and conversion	Amino acid transport and metabolism
		9	Function unknown
13 h-old biofilm		3	Carbohydrate transport and metabolism - Function unknown
Biofilm-dispersed		2	Translation, ribosomal structure and biogenesis	Function unknown
Biofilm-dispersed		4	Amino acid transport and metabolism

^aOnly the two most representative COG affiliations of each cluster were displayed