Fungus-filled beads clean toxic dye water safe for seedlings
Sahoo PP, Raut S, Sahoo AA, Panda AK, Sen SK
Phytoremediation
The mung bean seedlings you might sprout on a windowsill were the test case here, proving that water treated by this fungal method let seeds germinate and grow normally instead of being stunted by dye toxicity.
Textile dye wastewater is a nasty environmental problem, full of tough chemicals that don't break down easily and can harm fish, cells, and plants. Researchers packed a team of wood-rotting fungi into small chitosan beads and used them to chew through the dye, breaking it into harmless small acids within hours. When they tested the cleaned water on fish, human cells, and mung bean seeds, everything survived and grew normally, showing the fungal treatment actually detoxified the water rather than just hiding the color.
Key Findings
Immobilized white-rot fungal consortium achieved 97.35% decolorization of mixed anthraquinone dyes within 8 hours
LCMS detected breakdown into low molecular weight organic acids (phthalic, oxalic, malonic, succinic, fumaric, malic, citric, isocitric), confirming dye molecules were structurally destroyed, not just faded
Treated water showed strong detoxification: 80% zebrafish survival, 84% HeLa cell viability, reduced DNA damage, and normal mung bean germination and growth
chevron_right Technical Summary
Scientists used a mix of wood-decaying fungi, locked inside tiny chitosan beads, to break down toxic textile dye pollution in water, clearing over 97% of the dye in just 8 hours and leaving behind water safe enough for fish, cells, and mung bean seedlings to thrive in.
Abstract Preview
Original paper
Myco-degradation of anthraquinone dyes by immobilized white-rot fungal consortium and toxicity assessment.
Anthraquinone (AQ) dyes widely used in textile industries cause serious environmental and health risk due to their persistence and toxicity. In this context, myco-remediation using white-rot fungal...
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The mung bean or green gram is a plant species in the legume family. It is mainly cultivated in East, Southeast, and in South Asia and used as an ingredient in both savoury and sweet dishes.