Engineered Bacillus subtilis p43-Taglo1 fortifies the iron plaque-biofilm composite to reduce arsenic uptake and promote rice growth
Engineered Bacillus subtilis p43-Taglo1 enhances arsenic resistance and root colonization under As(III) stress. Through increased extracellular polymeric substance production, Fe(II) oxidation, and siderophore secretion, the strain promotes formation of an iron plaque-biofilm composite on rice roots. This root-surface barrier sequesters arsenic, reduces arsenic uptake, and supports rice growth in contaminated paddy systems. Lijuan Li et al 2026 - New Phytologist
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