Figure 1From: Compatible solutes: the key to Listeria's success as a versatile gastrointestinal pathogen?While in silico analysis of the listerial genome initially identified four putative compatible solute uptake systems (BetL, Gbu, OpuC and OpuB) [8], functional analysis revealed that OpuB is in fact a Bile exclusion system (hence its reincarnation as BilE).Back to article page