Interactions of serotypes A and B ofCandida albicansin mice

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Abstract
Candida albicans serotypes A and B were mixed in different proportions and administered orally to white mice receiving a protein-free diet. Recoveries of the serotypes from the stomach and rectosigmoid showed that the relative proportion of serotype A was consistently higher than in the inoculating suspension. No modification of serotype was observed in mice given only one serotype, and there was no change in proportions of serotypes coincubated in vitro. These observations indicate that host factors must be involved in selective colonization by the serotypes in vivo.