Abstract
There are serological cross reactions among many species of the genera Candida and Debaryomyces. Five species of the genus Debaryomyces were obtained for antigen analyses. The experiments were carried out through the slide agglutination method using monospecific or absorbed antisera homologous to the antigens of the genus Candida. Then, antiserum of a species was absorbed repeatedly with heated cells of several species of the genus Candida in order to find a new antigen, until the absorbed antiserum was exhausted. Antigenic structures of the species were confirmed by the reciprocal absorption. The new thermostable antigen 27 and the thermolabile antigen i were found in D. globosus. Antigenic structures of the five species were shown as follows : D. hansenii, D. kloeckeri, D. nicotianae and D. membranaefaciens have the thermostable antigens 1, 2, 3, 4, 9 and 14, and no thermolabile antigen. D. globosus has the thermostable antigens 1, 3, 10, 24 and 27, and the thermolabile antigen i.
