FIG 4 .
Acinetobacter and the Firmicutes are localized mainly in the crypt and lumen of the colon, respectively. Hybridization of an Alexa555-labeled Acinetobacter-specific probe on colonic sections from C57BL/6 (A), BALB/c (B), or C3H/HeN (C) or of an Alexa555-labeled Firmicutes-specific probe on colonic sections from C57BL/6 (D) is shown.