ArticleBMC plant biology2025
Chromium "(VI)" phytoremediation using Azolla pinnata: effects on Vicia faba growth, physiology, cytogenetics, and gene expression profiling.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundOne of the primary challenges that the expanding population faces is water scarcity. Thus, a global imperative has been established to safeguard extant water resources and optimize their utility through sustainable practices and efficient management. In the present investigation, Azolla pinnata, a pteridophyte (fern), was employed to phytoremediate Cr (VI) from chromium-polluted water. The potential of this treated water for agricultural purposes was verified through the use of Vicia faba plants.
resultsIn vitro, A. pinnata effectively remediates Cr (VI) from an array of liquid concentrations (0.05 to 90 ppm) in a ratio of 25:1 {volume (mL): fresh weight of Azolla (g)} after 2 days incubation period at room temperature. At low concentrations (0.1 ppm), the phytoremediation capacity peaked at 70%, falling to 19.53% at a high concentration (90 ppm). Upon continuous irrigation with Cr-polluted water (0.05 to 50 ppm), the in vivo pot experiment on Vicia faba plants revealed high Cr accumulation in the roots reached 52.5 mg Kg
conclusionAzolla exhibits substantial potential for reducing the detrimental effects of chromium stress including oxidative stress on plants. It modulates stress-related gene expression, protects DNA integrity, enhances cell mitosis, and reduces chromosomal damage. These results indicate that Azolla has the potential to be a valuable asset in phytoremediation strategies for chromium-contaminated environments, and that it may enhance plant survival and growth under Cr stress conditions. KEY MESSAGE: Azolla pinnata can be effectively utilized as an environmentally-friendly method to remediate chromium-contaminated water for agricultural usage.
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