The mitochondrion is the target organelle for QoI (quinone outside inhibitor) antifungal drugs, but mitochondrial behavior in Pyricularia oryzae remains unclear.Conidial mitochondria in fungal isolate transformed with citrate synthase (CitA)-GFP fusion gene, were observed in situ using laser-scanning confocal microscopy and computer analysis. By harvesting at 36 h after eliminating the aerial mycelia, conidia with 1, 2, or 3 cells were observed. The 3D visualization of mitochondria in these conidia showed that mitochondria were initially shaped like dots and developed into a network as the conidia aged.
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