Efficacy of Phytoremediation for Methylparaben Removal from Contaminated Water: A study by Alternanthera spp and Associated Rhizobacteria

Abstract In the present study, potential of Alternanthera spp and its associated rhizobacteria to uptake biodegrade methylparaben (MP) under hydroponic conditions was assessed. The experiments were conducted in vitro using glass reactors 500-mL volume. results indicated that removal rates significantly higher (66.6±3%) than control (<40%). MP reduction data fitted well a first-order kinetics model (R 2 >0.9). presence plants shortened half-life (T 1/2 ) aqueous solutions 3.41 days compared 34.8 reactors. Bioconcentration factors (BCFs) for roots (1.9-5.2 L/kg) stems (0-0.5 L/kg). High-tolerant isolated from characterized. It shown three isolates achieved noticeable efficiencies removing separated biodegradation assay. Of 3 rhizobacteria, revealed Cronobacter sakazakii , diagnosed by gyrB gene, had highest efficiency. These findings elucidated both specific rhizobacterial strains have promising potentials even though latter possesses antimicrobial properties.