Purification and characterization of the laccase produced by the Lysinibacillus boronitolerans and its role in the decolourization of synthetic dyes.
Panchal K, Chopra E, Kumar R
Phytoremediation
The bright synthetic dyes rinsed from clothes and factory waste end up in waterways where they block sunlight, choke aquatic plants, and disrupt the ecosystems that filter the water flowing through your local watershed.
A naturally occurring enzyme from a soil bacterium can digest the harsh chemical dyes that textile factories dump into water. Scientists purified this enzyme, figured out its ideal working conditions, and showed it can break down more than 60-84% of a notoriously stubborn red dye. Using microbes to clean up pollution like this is far gentler on the environment than the harsh chemicals normally used.
Key Findings
The laccase enzyme was purified 12.19-fold with a 63.86% recovery rate and a molecular weight of ~45 kDa.
Congo red dye showed 61% degradation with crude enzyme, rising to 84.5% after optimizing conditions with Response Surface Methodology.
Enzyme activity peaked at pH 5 and 40°C, and was boosted by copper ions while being blocked by sodium azide.
chevron_right Technical Summary
Researchers purified a dye-degrading enzyme from a soil bacterium and used it to break down toxic textile dyes, achieving up to 84.5% removal of Congo red under optimized conditions. This offers a greener alternative to chemical wastewater treatment.
Abstract Preview
Synthetic dyes released by the textile industry pose a significant environmental concern due to their complex structure, persistence, and hazardous effects on ecosystems and human health. In this s...
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