Abscisic acid modulates genotype-specific root cell-wall cadmium retention in pepper: evidence from adsorption kinetics and transcriptomic networks.

Abstract excerpt

Cadmium (Cd) stress threatens crop productivity and food safety, and root-level immobilisation is a first-line defence that can limit Cd entry into the symplast and subsequent translocation. The root cell wall constitutes a major apoplastic interface for Cd retention, yet how stress signalling hormones quantitatively modulate cell-wall retention dynamics across genotypes remains poorly defined. Here, we compared...

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