Figure 3. Mmi1 promotes transcription termination of nam1 non-coding gene and prevents nam1 read-through transcription from repressing the downstream MAPKKK gene byr2. (D) Microscopy images of, respectively, WT (h90), nam1-1 and nam1-1-Ttef cells, after induction of sexual differentiation for 24 hours. The percentage of sporulation and iodine vapor assays are shown at the bottom of the images. Scale bar, 10 µm. 