MRCP2-2727

A 25-year-old patient presents to the clinic with a six-month history of malaise, anorexia, and weight loss. Additionally, he reports experiencing diarrhea for the past four weeks. Upon examination, the patient appears cachectic and has white frond-like patches on both lateral margins of his tongue. Scraping off the patches proves to be unsuccessful. What is the organism responsible for this abnormality on the patient’s tongue?