Gastrointestinal colonization by Candida albicans mutant strains in antibiotic-treated mice

Antibiotic-treated mice orally inoculated with one of three Candida albican s strains (including two mutant strains) or indigenous Candida pelliculosa showed levels of candidal gastrointestinal colonization that were strain sp ecific. However, regardless of strain, the numbers of viable candida were i ntermediate to high in the stomach, were consistently lowest in the upper s mall intestine, and increased progressively down the intestinal tract.