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Successful cultivation of edible fungi on textile waste offers a new avenue for bioremediation and potential food production
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Researchers demonstrated for the first time that edible fungi can be cultivated on textile waste, offering a dual solution for bioremediation and potential food production. Three species of filamentous fungi were shown to colonize and break down both natural and synthetic fabric fibers. The study suggests that fungal cultivation on textile waste could help reduce the microplastic pollution that results from textiles breaking down in landfills.
Textile waste contains both natural fibres such as cotton and bamboo viscose, and synthetic fibres such as elastane and polyester. As a complex mixture, textiles present a challenging pollution issue as breakdown in landfill results in microplastics entering water and soil environments, and incineration results in particulate air pollution. Here the use of edible fungi as bioremediation agents of waste textiles is described for the first time. Three species of filamentous fungi were shown to colonise and grow on mixed fibre textile waste (underpants made from 28% cotton: 68% bamboo viscose: 4% elastane). All three fungi were able to metabolise the common textile dye Reactive Black 5 to some extent. The metabolome was captured to elucidate the dye remediation pathway utilized and to characterise the volatiles released during bioremediation with a view to assessing the safety profile of this process for future industrial applications. The results suggest that edible fungi may be cultivated on textiles, and that some interesting and useful compounds may be produced in the process. This has great biotechnological potential. No mushrooms were produced in this study, suggesting that further work will be needed to optimise conditions for crop production from waste textiles.
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