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Ultrastructure of secondary plasmodesmata formation in regeneratingSolanum nigrum-protoplast cultures

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Summary

The formation of secondary plasmodesmata was analyzed inSolanum nigrum L. protoplast cultures. Half and continuous secondary plasmodesmata were present in dedifferentiated, regenerating cells. The observed precursor stages confirm a recent, novel explanation for the establishment of secondary plasmodesmata. It is proposed that secondary plasmodesmata are formed after a process of membrane and vesicle fusion, with unexpected similarities to the common model for primary plasmodesmata formation during cell division.

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Monzer, J. Ultrastructure of secondary plasmodesmata formation in regeneratingSolanum nigrum-protoplast cultures. Protoplasma 165, 86–95 (1991). https://doi.org/10.1007/BF01322279

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