Research Keyword: Heavy metal bioremediation

Role of Genetically Modified Microorganisms for Effective Elimination of Heavy Metals

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Heavy metals like lead, mercury, and arsenic are dangerous pollutants that accumulate in our environment and food chain, causing serious health problems. Traditional methods to remove these metals are expensive and inefficient. Scientists have created genetically modified bacteria and fungi that are much better at absorbing and breaking down heavy metals from contaminated water and soil, offering a cheaper and more environmentally friendly solution to clean up pollution.

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Neobacillus terrisolis sp. nov. and Neobacillus solisequens sp. nov. Isolated from Soil

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Scientists discovered two new species of bacteria in soil from a heavy metal smelting plant in China and named them Neobacillus terrisolis and Neobacillus solisequens. These bacteria can produce hydrogen sulfide, which helps capture and remove toxic heavy metals from contaminated soil. The research shows these microbes could be useful for cleaning up polluted environments through natural biological processes rather than expensive chemical treatments.

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Ni2+ and Cd2+ Biosorption Capacity and Redox-Mediated Toxicity Reduction in Bacterial Strains from Highly Contaminated Soils of Uzbekistan

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Researchers in Uzbekistan discovered three types of bacteria that can remove dangerous heavy metals like cadmium and nickel from contaminated soil. These bacteria work by clinging to the metal particles on their surfaces and even chemically transforming them into less harmful forms. The study found that these bacteria work best at neutral pH and warmer temperatures, making them promising candidates for cleaning up polluted environments naturally and affordably.

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