Articles tagged with Bioremediation
University of Iowa researchers have discovered that switchgrass can remove up to 40% of PCBs from contaminated soils, with a combined treatment boosting removal rates to 47%. The study suggests a natural and sustainable method for reducing the presence of toxic chemicals in the environment.
Unique groups of microbes, known as Dehalococcoides, can convert hazardous chlorinated chemicals like TCE into ethene, a benign end product. However, they may stall at this stage, producing toxic intermediates. New research proposes that microbes are out-competed for hydrogen, a necessary electron donor, causing the breakdown to fail.
Scientists investigate Vorarlberger Bergkäse, a regional Austrian cheese, to understand its unique microbiome. The study reveals the presence of halophilic microbe Halomonas on young rinds, which plays an unknown role in cheese-making.
New results show that mobile microorganisms can increase the transport of toxic PAHs up to 100-fold, making them more accessible to bacteria and plant roots. This discovery opens new perspectives for cleaning PAH-contaminated soil through biological treatment.
A team of researchers at Montana State University has verified that microorganisms produce methane by swimming towards hydrogen gas. The discovery sheds light on the movement of biological cells towards hydrogen gas and its implications for climate change, carbon cycle, and early Earth processes.
Researchers at Michigan State University have made a groundbreaking discovery about the survival mechanisms of primitive red algae. The algae's ability to thrive in hot and acidic environments lies in part in their membrane proteins, which are also found in human cells and hold promise for treating diseases.
Researchers found that high concentrations of crude oil combined with dispersant can harm beneficial microbial communities in the human digestive tract. However, low concentrations typically found in Gulf shellfish had no discernible impact.
Bacteria found in a Colombian garbage dump have been shown to neutralize contaminants, making them suitable for bioremediation. The indigenous bacterial community was able to break down hydrocarbon compounds and other pollutants, providing a potential solution to clean the site.
A new report from Berkeley Lab scientist shows that oil-degrading microorganisms played a significant role in both the Exxon Valdez and BP Deepwater Horizon spills. The study found that mobilizing these microorganisms rapidly can minimize the risk and impact of future oil spills.
A new computer model simulates how Gulf currents enabled marine microorganisms to degrade oil spills more quickly. The 'dynamic auto-inoculation' process activated microbes, increasing bacterial populations and degrading hydrocarbons.
Researchers are using genomics to study the microbial community and determine how to create conditions for them to thrive, helping to detoxify metal toxins in wastewater. The approach relies on a diverse microbial community that provides essential nutrients to microbes like Sulfate-Reducing Bacteria.
Researchers analyzed 10 strains of Shewanella, a genus important for bioremediation, and found significant genetic differences despite similarities. The study reveals that similarity in gene regulation is a key factor in determining phenotypic similarity among closely related strains.
Researchers from Caltech and JPL found evidence that ancient stromatolites were built with the help of equally ancient microorganisms, providing insight into the earliest record of life on Earth. The discovery may also provide a new avenue for exploration in the search for signs of life on Mars.
A $1 million grant will fund a five-year study using bioremediation to promote bacterial growth in soil subsurface, scrubbing radioactive metal. This method has the potential to clean up an estimated 1.7 trillion gallons of contaminated water and 40 million cubic meters of contaminated soil nationwide.
The DOE JGI has completed its 100th microbial genome sequencing, marking a significant achievement in the field of microbiology. This milestone allows researchers to explore and expand their understanding of microorganisms' metabolic profiles and environmental implications.
Researchers found that bacteria's worst enemy in nuclear waste sites may be toxic metals, contradicting conventional wisdom. Actinides are less toxic than other metals, suggesting bioremediation using naturally occurring bacteria can still be effective.
Dehalococcoides bacteria can adapt to various environmental conditions through the use of mobile genetic elements, allowing them to degrade chlorinated pollutants. The genome sequence of Strain 195 reveals its ability to turn genes on and off in response to environmental cues.
Lovley's research focuses on the use of microbes to remove hazardous substances from environments, with applications in bioremediation and metal metabolism. His award recognizes his groundbreaking work on Geobacter species and their ability to reduce toxic metals.
Researchers have decoded the genome of Geobacter sulfurreducens, a microorganism that can clean up uranium contamination by precipitating radionuclides and metals from groundwater. The discovery opens up new strategies for bioremediation and the potential to generate electricity through bio-batteries.
Researchers at UCSD have discovered a chemical that allows plants to transport phytochelatins from roots to stems and leaves, enabling them to detoxify heavy metals like lead, arsenic, and cadmium. This finding brings bioremediation, using plants to clean up contaminated soil, closer to reality.
A NASA scientist has discovered a new species of organism that thrives in a salty, alkaline environment without oxygen. The Spirochaeta americana microorganism can survive in conditions inhospitable to humans and is of great interest to astrobiologists studying the possibility of life on Mars.
Researchers at Georgia Institute of Technology have isolated a novel bacterium, Dehalococcoides strain BAV1, that can degrade toxic chlorinated compounds like PCE and TCE into non-toxic ethene. The discovery holds promise for cleaning contaminated groundwater and subsurface environments, offering a new hope for bioremediation strategies.
Researchers at UC Riverside have isolated microorganisms that can degrade up to 90% of the toxic pesticide endosulfan in 15 days. The strains, Fusarium ventricosum and Pandoraea sp., have potential applications for detoxifying contaminated soils and water bodies.
Researchers have identified two microorganisms, Fusarium and Pandoraea spp., that can degrade the toxicity of endosulfan, a persistent organic pollutant. This breakthrough offers a potential solution for detoxifying contaminated sites, reducing toxic residues in soil.
Researchers are studying the natural processes that clean up acid and heavy metal-contaminated water at a Massachusetts mine site. The UMass team is investigating the role of microorganisms in breaking down these pollutants, with the goal of demonstrating global importance of using bacteria to clean up the environment.
A research team from Purdue University and the University of British Columbia has identified a bottleneck in the degradation of polychlorinated biphenyls (PCBs), a persistent and hazardous industrial chemical. By breeding bacteria to overcome this hurdle, the team hopes to develop an environmentally friendly solution for cleansing the ...
The genome sequence of Shewanella oneidensis reveals its ability to remove toxic metals like chromium and uranium from the environment. Scientists have discovered a new bacterial phage that may enable genetic manipulation of Shewanella for specific bioremediation projects.
The study provides a comprehensive understanding of the proteome of D. radiodurans, revealing new insights into its remarkable ability to withstand radiation and degrade radioactive materials. The research used advanced mass spectrometry techniques to identify over 1,900 proteins in the bacterium.
Researchers have discovered three promising microorganisms that can infect and kill termites, providing a potential solution for termite infestations. The microorganisms appear to work by breaking down the termites' bodies through enzymatic degradation mechanisms.
A new bioremediation process, Bioavailability Enhancement Technology (B.E.T.), has been successfully tested at the Idaho National Laboratory's Test Area North. The technology accelerates the degradation of trichloroethene (TCE) in groundwater plumes, making it a cost-effective solution for cleaning up contaminated aquifers.
A study by Virginia Tech researchers may lead to more effective methods for cleaning up gasoline spills, which can contaminate groundwater. The research focuses on the role of iron reduction and methanogenesis in bioremediation, aiming to improve modeling and cleanup efficiency.
Microbes in soil have been found to degrade certain toxic chemicals, including pentachlorophenol and benzoate. Researchers are developing procedures for using these hungry bugs in environmental cleanup efforts, which could be more effective and cost-efficient than traditional methods.
Researchers at Kansas State University have developed a plant-based bioremediation process that uses vegetation to clean up hazardous chemicals from contaminated sites. This method is cheaper than traditional methods, with estimated annual costs of $15,000 compared to $4 million, and can remove up to 10 pounds per acre daily.