Problem: Sylvie, a 19-year-old level two Nursing student pricked her finger while pruning some rose bushes. She later develops a local pustule that progresses to an ulcer. The fungal pathogen implicated is a Gram-positive carbohydrate assimilator. Further characterization reveals a dimorphic non-sporing dematiaceous fungus with reverse pigmentation. Illustrate how you will identify the pathogen in the laboratory. Need Assignment Help?