Plant regeneration from the protoplasts of Solanum tuberosum, S. nigrum and S. bulbocastanum

Authors: Szczerbakowa, Anna; Borkowska, Maria; Wielgat, Bernard

Source: Acta Physiologiae Plantarum, Volume 22, Number 1, March 2000 , pp. 3-10(8)

Publisher: Springer

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The mesophyll protoplasts were isolated from the Solanum tuberosum (S. tbr) clones of different ploidy level (4x Bzura cv., 2x H-8105, and 2x ZEL-1136) as well as from the wild species: S. bulbocastanum (S. blb, 2x) and two accessions of S. nigrum (S. ngr, 6x). Additionally, the protoplasts were isolated from the cell suspensions of Bzura cv. and H-8105 clone. The conditions of protoplast isolation as well as the media for their culturing and regeneration, were selected and optimized for the studied genotypes. For mesophyll protoplasts, the shooting calli were produced by all the cultured protoclones except that of S. bulbocastanum. The shoots excised from the protoplast-derived calli developed into whole plants in all the studied potato clones but only in one accession of S. nigrum, i.e. S. ngr var. gigantea. As for suspension-cell-derived protoplasts, only H-8105 clone produced the regenerative type of calli, though normal shoots could not be obtained. The regenerative capacity of the protoplasts isolated from leaves and cell suspensions is compared and discussed.

Keywords: Solanum bulbocastanum; Solanum nigrum; Solanum tuberosum; protoplast regeneration

Document Type: Research Article


Publication date: March 1, 2000

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