INVESTIGADORES
CAVAGNARO Pablo Federico
artículos
Título:
Genetic diversity of carrot cultivars revealed by analysis of SSR loci
Autor/es:
BARANSKI, R.; MAKSYLEWICZ-KAUL, A.; NOTHNAGEL, T.; CAVAGNARO, P. F.; SIMON, P. W.; GRZEBELUS, D.
Revista:
GENETIC RESOURCES AND CROP EVOLUTION
Editorial:
SPRINGER
Referencias:
Año: 2011
ISSN:
0925-9864
Resumen:
Polymorphism of simple sequence repeat (SSR) loci was assessed in a collection
of 88 carrot (Daucus carota L. subsp. sativus Hoffm.) accessions. The collection comprised
cultivars and landraces mainly from Asia, Europe, and North America. Plants were grown in the
glasshouse and characterized for root color and shape. Thirty SSR loci were fully characterized
using parameters derived from allele frequencies, i.e. the number of total, effective and rare alleles, the observed and expected heterozygosity, and fixation index. Using a Bayesian approach,
two clusters of 17 and 61 accessions were distinguished, which comprised the Asian and Western
type accessions, respectively. Genetic diversity of the Asian gene pool was higher than that of the
Western gene pool. The results of SSR analysis were supported by morphological
characterization, and are congruent with current knowledge on the history of carrot domestication
and breeding.