Chromosome variation

Physical location of the carotenoid biosynthesis genes Psy and β-Lcy in Capsicum annuum (Solanaceae) using heterologous probes from Citrus sinensis (Rutaceae)

V. Andrade-Souza, Costa, M. G. C., Chen, C. X., Gmitter, Jr., F. G., and Costa, M. A., Physical location of the carotenoid biosynthesis genes Psy and β-Lcy in Capsicum annuum (Solanaceae) using heterologous probes from Citrus sinensis (Rutaceae), vol. 10, pp. 404-409, 2011.

Carotenoids are responsible for a range of fruit colors in different hot pepper (Capsicum) varieties, from white to deep red. Color traits are genetically determined by three loci, Y, C1, and C2, which are associated with carotenogenic genes. Although such genes have been localized on genetic maps of Capsicum and anchored in Lycopersicon and Solanum, physical mapping in Capsicum has been restricted to only a few clusters of some multiple copy genes.

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