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Lead (Pb) accumulation and genotoxic responses in
PubMed · 2026-04-17
Researchers investigated how a plant accumulates lead from contaminated soil and whether this exposure damages its DNA. The study measured both the plant's ability to absorb and tolerate lead and the cellular harm that heavy metal pollution causes.
1
The plant demonstrated measurable lead accumulation from contaminated growth medium, with uptake increasing at higher exposure concentrations.
2
Genotoxic damage — harm to the plant's DNA — was detected and correlated with lead concentration, indicating dose-dependent cellular stress.
3
The species shows phytoremediation potential, meaning it could be used as a biological tool to extract lead from polluted soils.