Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS

Genetics of flowering time

Fourteen quantitative trait loci (QTLs) contributing to the large amount of natural variation for flowering time of Arabidopsis have been identified and mapped by analysing 5 populations of introgression lines and 2 new populations of recombinant inbred lines.

One locus named as Flowering Arabidopsis QTL 1 (FAQ1) has been cloned and found to encode a putative trasncription factor. Genetic variation in FAQ1 orthologous genes in other speceis might be of interest to manipulate flowering time in crops. Two additional loci called FAQ2 and FAQ3 have been fine mapped. FAQ2 has been found to be a complex QTL consisting of at least two closely linked loci.

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