MoSMI1 affects septin ring formation in Magnaporthe oryzae. (a, b) The conidial suspensions (5 × 10⁴ conidia/mL) of the wild‐type Guy11 and ΔMosmi1 mutant expressing Sep3‐GFP or Sep5‐GFP were inoculated on an artificial hydrophobic surface and the appressoria were observed at 24 h post‐inoculation under a laser scanning confocal microscope. The distribution of the fluorescence signal in a transverse section (indicated by the white dotted line) was analysed using ImageJ software. Bar, 5 μm.

MoSMI1 affects septin ring formation in Magnaporthe oryzae. (a, b) The conidial suspensions (5 × 10⁴ conidia/mL) of the wild‐type Guy11 and ΔMosmi1 mutant expressing Sep3‐GFP or Sep5‐GFP were inoculated on an artificial hydrophobic surface and the appressoria were observed at 24 h post‐inoculation under a laser scanning confocal microscope. The distribution of the fluorescence signal in a transverse section (indicated by the white dotted line) was analysed using ImageJ software. Bar, 5 μm.

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The cell wall is the first barrier against external adversity and plays roles in maintaining normal physiological functions of fungi. Previously, we reported a nucleosome assembly protein, MoNap1, in Magnaporthe oryzae that plays a role in cell wall integrity (CWI), stress response, and pathogenicity. Moreover, MoNap1 negatively regulates the expre...

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