Spherical or elliptical usually aerobic eubacteria that produce yellow or orange or red pigment,includes toxin-producing forms as well as harmless commensals and saprophytes.

• 球形或椭圆形的需氧真菌，能生成黄色桔黄或红色色素，包含能生成毒素的种类及无害共生物和腐生物。