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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: Trends Microbiol. 2018 Jan 24;26(7):582–597. doi: 10.1016/j.tim.2017.12.007

Figure 1.

Figure 1

Schematic representation of cell cycle progression during appressorium development in the rice blast fungus M. oryzae. The fungus three-celled conidium adheres to the plant hydrophobic cuticle and germinates. Each cell contains one nucleus. One of the nuclei migrates to the germ tube and goes through a single mitotic event, in which two daughter nuclei are generated in a closed mitosis. On daughter nucleus migrates into the immature appressorium and a septum is formed, while the other nucleus migrates back to the conidium, which then goes through an autophagic cell death process. Appressorium remains mitotically active after maturation. Brown circles: nucleus, dashlines: conidium degradation, HI: invasive hyphae.