Melatonin alleviates cadmium toxicity in Solanum nigrum by enhancing pectin-mediated cell wall sequestration and antioxidant.
Cadmium (Cd) contamination in agricultural soils threatens crop production and food safety. Although melatonin is known to enhance antioxidant defense, its role in cell-wall remodeling and Cd compartmentalization remains unclear. We investigated the effects of 100 μmol L-1 melatonin on Solanum nigrum exposed to 10 mg k...