sentence: There are no homologs to any of these genes in C. castellii and N. bacillisporus , while C. glabrata and C. nivariensis contain two copies of DAN-like genes , and the remaining species seem to contain only one homologous copy.Also of particular interest was the loss of genes involved in de novo biosynthesis of nicotinic acid ( BNA ) , which was hypothesized to result from the adaptation of C. glabrata to its human host [ 38 ] .