Mapping of quantitative trait loci (QTL) associated with plant freezing tolerance and cold acclimation.
Most agronomic traits are determined by quantitative trait loci (QTL) and exhibit continuous distribution in segregating populations. The genetic architecture and the hereditary characteristics of these traits are much more complicated than those of oligogenic traits and need adapted strategies for deciphering. The model plant Arabidopsis thaliana is widely studied for quantitative traits, especially via the utilization of natural genetic diversity. Here we describe a QTL-mapping protocol for analyzing freezing tolerance after cold acclimation in this species based on its specific genetic tools. Nevertheless, this approach can also be applied for the elucidation of complex traits in other plant species.
Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech, INRA Versailles, Batiment 7, 78026, Versailles Cedex, France, Evelyne.Teoule@versailles.inra.fr.
Evelyne
E
Téoulé
Carine
C
Géry
D000064:Acclimatization / Q000235:genetics*; D017360:Arabidopsis / Q000235:genetics* / Q000502:physiology*; D002874:Chromosome Mapping / Q000379:methods*; D005615:Freezing; D017343:Genes, Plant / Q000235:genetics; D010641:Phenotype; D040641:Quantitative Trait Loci / Q000235:genetics*; D015203:Reproducibility of Results