FIG. 1.
Mating experiments between P. variotii strains. (A) Detail image of a potato dextrose agar plate where two P. variotii strains of different mating types were inoculated on opposite sides; ascomata are formed in the middle. (B) Higher-magnification view of the ascomata. Scale bar, 1 mm. (C) Micrograph of the ascomata, showing asci with ascospores. Scale bar, 10 μm.