Non-essential genes form the hubs of genome scale protein function and environmental gene expression networks in Salmonella entericaserovar Typhimurium

Table 2 The highest ranked environmental and functional hubs

Gene	Protein blast	Number conditions or functional categories
Environmental hubs
ygaU	LysM domain/BON superfamily protein	8
osmC	Putative envelope protein	7
uspA	Universal stress protein A	7
wraB	NAD(P)H:quinone oxidoreductase, type IV	7
cbpA	Curved DNA-binding protein	6
Functional hubs
ychN	Putative sulphur reduction protein	8
siiF(STM4262)	Putative ABC-type bacteriocin/lantibiotic exporter	8
yajD	Hypothetical protein (possible endonuclease superfamily)	7
ybeB	Hypothetical protein (possible involved in biosynthesis of extracellular polysaccharides)	7
dcoC	Oxaloacetate decarboxylase subunit gamma	7

ISSN: 1471-2180