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Bioremediation of soil polluted with oil
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This paper discusses bioremediation of oil-polluted soil and draws a parallel to the potential for microbial degradation of plastic-polluted soil. Researchers highlight that the petroleum origin of most plastics makes plastic-contaminated soils candidates for bioremediation approaches similar to those used for hydrocarbon spills.
Microplastics have reached all corners of our planet, including soil and water. Plastic-degrading bacteria are seen as a promising, environmentally friendly tool for the bioremediation of soil polluted with microplastics. The petroleum origin of plastics makes them candidates for bioremediation analogous to the bioremediation of soil polluted with oil and its derivatives. A mud pit, located near the village of Turija, used for mud formation for the lubrication of drill pipes for drilling rigs, ended up polluted with oil and its derivatives. It was bioremediated using the in situ procedure. The content of n-hexane extractable substance, total petroleum hydrocarbon, dry substance, and loss on ignition were analyzed.
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This review examines how bacteria can be used to bioremediate soil and water contaminated with crude oil. Microbe-based cleanup approaches are also relevant to microplastic degradation, as some bacteria have been found to break down certain types of plastic.
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Researchers conducted a pot experiment to evaluate the petroleum hydrocarbon degradation capability of bacterium strain TDYN1 in soil and to assess how microplastics affect the bioremediation process. They found that while TDYN1 effectively degraded total petroleum hydrocarbons (TPH), the presence of microplastics in soil influenced degradation dynamics, with implications for in situ bioremediation strategies.
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This review examines evidence for bioremediation of microplastics from soil environments, evaluating how plants, bacteria, fungi, and other organisms can help remove or break down plastic particles in terrestrial ecosystems. While soil is a primary sink for microplastics, biological approaches to soil cleanup remain underdeveloped compared to aquatic bioremediation research.
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This systematic review examines microbial bioremediation of microplastic-contaminated soils, covering the sources and distribution of soil microplastics, their physicochemical interactions with soil microbiomes, and the mechanisms by which soil-dwelling bacteria and fungi degrade plastic polymers.
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Researchers reviewed emerging bioremediation strategies for removing microplastics from contaminated soil, highlighting the roles of plants, root-zone microbes, soil animals like earthworms, and specialized bacteria and fungi that can use enzymes to break down plastic polymers into harmless compounds. While genetic engineering of microbes shows promise for accelerating degradation, the review notes that real-world application at scale still requires significant research and development.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.