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Molecular mapping of the vein colour locus in Solanum venturii
Author(s) -
Park TaeHo
Publication year - 2012
Publication title -
plant breeding
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.583
H-Index - 71
eISSN - 1439-0523
pISSN - 0179-9541
DOI - 10.1111/j.1439-0523.2012.01968.x
Subject(s) - biology , solanum , locus (genetics) , population , gene mapping , anthocyanin , genetics , genetic marker , pigment , botany , gene , chromosome , demography , sociology , chemistry , organic chemistry
With 2 figuresAbstract The genetic background of red or purple pigments derived from anthocyanin has not been firmly identified in potato, although the trait of tuber colour has been considered a breeding target owing to its visual appeal and valuable antioxidants in the human diet. In this study, we evaluated the genetic segregation of vein colour in the mapping population derived from a cross within a wild potato species, Solanum venturii . The segregation ratio was 1 : 1 for purple and green colours, indicating the gene for vein colour was monogenically inherited. The genetic position of the vein colour locus was expected to be on potato chromosome 4 with the bridged molecular markers, PATMATC_499 and RGH3. These results will facilitate the characterization and cloning of pigmentation‐related genes, and the colours of above‐ground tissues could be used as selection markers for accelerating the breeding of colour potatoes.