Fig. 3From: Protothecosis in the mucosa of the pharynx mimicking pharyngeal cancer in an immunocompetent individual: a case reportMicrobiological findings of the Prototheca isolate. a Colony appearance of the Prototheca isolate grew on XM-Candida agar plate (Nissui Pharmaceutical Co., Ltd., Tokyo, Japan) at 35 °C in aerobic conditions for 3 days. b Lactophenol cotton blue staining of the Prototheca colony showing tightly packed endospores within a sporangium. (Pictured over cover glass at 1000× magnification using an oil immersion lens)Back to article page