Chloroplast DNA variation in the wild potato species, Solanum acaule and S. albicans

Author: Nakagawa Kumi   Uehara Hideyuki   Hosaka Kazuyoshi  

Publisher: Springer Publishing Company

ISSN: 0014-2336

Source: Euphytica, Vol.116, Iss.3, 2000-12, pp. : 197-202

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Abstract

The chloroplast DNA of Solanum acaule (109 accessions) and S. albicans (9 accessions) was investigated by restriction endonuclease analysis. Unexpectedly, all the accessions analyzed had C type chloroplast DNA in common. This suggested that S. acaule originated from a species with C type chloroplast DNA. DraI restriction digestion revealed further differentiation of C type chloroplast DNA into 8 types. The DraI polymorphism indicated the province of Salta in Argentina and the nearby regions to be a center of diversity for S. acaule. Surprisingly, S. albicans as well as S. acaule both ssp. acaule and ssp. punae, from Peru were virtually indistinguishable, although by morphology and/or cytology all three taxa are easily distinguished.

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