Quantitative trait loci controlling resistance to cadmium rhizotoxicity in two recombinant inbred populations of Arabidopsis thaliana are partially shared by those for hydrogen peroxide resistance.

Abstract excerpt

To understand mechanisms of cadmium (Cd) tolerance variation associated with root elongation in Arabidopsis thaliana, quantitative trait loci (QTLs) and epistasis were analyzed using relative root length (RRL: % of the root length in +Cd to -Cd) as a tolerant index. Using the composite interval mapping method, three major QTLs (P < 0.05) were detected on chromosomes 2, 4 and 5 in the recombinant inbred population...

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