Mitochondria: Key Organelles Accelerating Cell Wall Material Accumulation in Juice Sacs of Pummelo (Citrus grandis L. Osbeck) Fruits during Postharvest Storage

Figure 6

Transmission electron micrographs of cross sections of dorsal juice sac (a, b) and septal juice sac (c, d) of pummelo fruit stored for 60 days at room temperature. (a) Overview of the cell structure of a dorsal juice sac. (b) Higher magnification micrograph of the region marked by a rectangle in (a). (c) Overview of the cell structure of a septal juice sac. (d) Higher magnification micrograph of the region marked by a rectangle in (c). : cell wall, Is: intercellular space, white arrowhead: microfibril, and black arrowhead: particles of cell wall substances.

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