White Piedra, also known as trichosporosis nodosa, is related to superficial mycosis and tinea nigra. An important gene associated with White Piedra is CBS (Cystathionine Beta-Synthase), and among its related pathways/superpathways are ATP/ITP metabolism and mRNA Splicing - Minor Pathway. Affiliated tissues include skin, and related phenotypes are Increased shRNA abundance (Z-score > 2) and Reduced mammosphere formation