Plant and Soil

, Volume 249, Issue 1, pp 9–18

Genetic basis of Cd tolerance and hyperaccumulation in Arabidopsis halleri

  • V. Bert
  • P. Meerts
  • P. Saumitou-Laprade
  • P. Salis
  • W. Gruber
  • N. Verbruggen
Article

Abstract

The genetic basis of Cd tolerance and hyperaccumulation was investigated in Arabidopsis halleri. The study was conducted in hydroponic culture with a backcross progeny, derived from a cross between A. halleri and a non-tolerant and non-accumulating related species Arabidopsis lyrata ssp. petraea, as well as with the parents of the backcross. The backcross progeny segregates for both cadmium (Cd) tolerance and accumulation. The results support that (i) Cd tolerance may be governed by more than one major gene, (ii) Cd tolerance and Cd accumulation are independent characters, (iii) Cd and Zn tolerances co-segregate suggesting that they are under pleiotropic genetic control, at least to a certain degree, (iv) the same result was obtained for Cd and Zn accumulation.

Arabidopsis halleri Arabidopsis lyrata ssp. petraea cadmium hyperaccumulation metal tolerance zinc 

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Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • V. Bert
    • 1
  • P. Meerts
    • 2
  • P. Saumitou-Laprade
    • 3
  • P. Salis
    • 1
  • W. Gruber
    • 2
  • N. Verbruggen
    • 1
  1. 1.Laboratoire de Physiologie et de Génétique Moléculaire des PlantesUniversité Libre de BruxellesBruxellesBelgium
  2. 2.Laboratoire de Génétique et d'Ecologie VégétalesUniversité Libre de BruxellesBruxellesBelgium
  3. 3.Laboratoire de Génétique et Evolution des Populations VégétalesUniversité de Lille I, UPRESA-CNRS 8016, FR-CNRS 1818Villeneuve d'Ascq cedexFrance

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