text:  colonic epithelium_BA+E-infection_day1_rep1 colonic epithelium_BAE_1_a Organism Part large intestine ; Cell Type epithelial cell ; Cell Purification n/a ; Strain[background] BALB/c ; Developmental Stage adult ; Age 16 weeks ; Sex female ; Microbial Condition gnotobiote ; Genetic Modification n/a ; Disease State healthy ; 