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Pectin immunogold labeling with LM5 (A–C), LM6 (D–F), JIM7 (G–I) and LM5 antibodies (J–L) in the cytoplasm and coat of pollen-like structures (left column) and embryogenic microspores (central column), and in inner cell walls of embryogenic microspores (right column). ct: cytoplasm; cw: cell wall; ex: exine; gs: Golgi stack; in: intine; s: starch granule; sl; subintinal layer; v: vacuole. Bars: 100 nm.
