TABLE 3.

Gene expression confirmed by RNA dot blotting

Gene	Function	Expression ratio from DNA microarrays	Expression ratio from RNA dot blotting
clpC	Negative regulator of late competence genes, positive regulator of autolysin (LytC and LytD) synthesis, class III stress response-related ATPase	13.2	40
ctsR	Negative regulation of class III stress genes	15.8	40
groES	Class I heat shock protein (molecular chaperonin)	7.0	15
pyrF	Pyrimidine biosynthesis	−50.0	−20