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61,005 resultsShowing papers similar to Functional Evaluation of Bacillus subtilis DCP04 from Korean Fermented Soybean Paste: A Potential Probiotic Strain for Polyethylene Degradation and Adsorption
ClearDegradation of Bisphenol A by Bacillus subtilis P74 Isolated from Traditional Fermented Soybean Foods
Researchers screened bacterial strains from fermented soybean foods for bisphenol A (BPA) degradation ability, finding that Bacillus subtilis P74 degraded 97.2% of 10 mg/L BPA within 9 hours. The strain showed stable BPA degradation performance across repeated cycles, highlighting its potential for bioremediation of BPA-contaminated environments.
Genomic and proteomic analysis of Bacillus subtilis as microplastic bioremediation agents
Researchers analyzed the genes and proteins of Bacillus subtilis bacteria to understand how this common soil microbe might be used to break down microplastics biologically. The genomic and proteomic analysis identified enzymes that could potentially degrade plastic polymers, advancing efforts to develop microbial bioremediation of plastic pollution.
Determination of the ability of native potential probiotic lactobacillus strains in nanoplastic bioremoval in an in-vitro Model
Researchers tested 88 native probiotic Lactobacillus strains for their ability to bind and remove polystyrene nanoplastics in laboratory conditions, finding that a cocktail of three strains achieved up to 77% removal. The most effective strain, L. plantarum RP13, showed strong nanoplastic adhesion confirmed by microscopy imaging. The study suggests that certain probiotic bacteria may have potential as a biological approach to reducing nanoplastic exposure in the gastrointestinal tract.
Biodegradation of microplastic by probiotic bifidobacterium
Researchers found that probiotic Bifidobacterium infantis can biodegrade microplastics, demonstrating a novel microbial approach to addressing plastic pollution using a gut-resident bacterium known for regulating intestinal microbiota.
Biofilm development of Bacillus siamensis ATKU1 on pristine short chain low-density polyethylene: A case study on microbe-microplastics interaction
Researchers isolated a low-density polyethylene (LDPE)-degrading bacterial strain, Bacillus siamensis ATKU1, from a plastic dumping site and studied its biofilm formation on LDPE microplastics as the sole carbon source. Scanning electron microscopy and atomic force microscopy confirmed biofilm development with measurable changes to surface mechanical properties, providing evidence for microbial utilisation of LDPE microplastics.
Biodegradation of Polyethylene Using Lysinibacillus macroides: Isolation, Characterization and Evaluation
Researchers isolated and characterized Lysinibacillus macroides bacteria from plastic dumping grounds in Karad, India, and evaluated their ability to biodegrade polyethylene microplastics. The study demonstrated measurable polyethylene degradation by the isolated bacterial strain, supporting its potential as a low-cost microbial approach to plastic pollution remediation.
Adsorption abilities and mechanisms of Lactobacillus on various nanoplastics
Researchers tested whether Lactobacillus, a common probiotic bacterium, could adsorb nanoplastic particles made of polypropylene, polyethylene terephthalate, and polystyrene. They found that the bacteria could efficiently bind all three types of nanoplastics through electrostatic interactions and hydrogen bonding on their cell surfaces. The study suggests that lactic acid bacteria may have potential as a biological method for reducing nanoplastic contamination in food.
Bacillus subtilis, a promising bacterial candidate for trapping nanoplastics during water treatment
Researchers found that the probiotic bacterium Bacillus subtilis can effectively trap polystyrene nanoplastics from water, with most nanoparticles clustering around the bacterial cells. At a concentration of 10 mg/L, over 73% of the nanoplastics' environmental state was altered through interaction with the bacteria. The study suggests B. subtilis could be a promising candidate for biological nanoplastic removal during water treatment, while simultaneously processing nitrogen compounds.
Biodegradation of LDPE plastic by local strain of Bacillus sp. isolated from dump soil of Pekanbaru, Indonesia
Scientists isolated a local strain of Bacillus bacteria from landfill soil in Indonesia and tested its ability to break down low-density polyethylene (LDPE) plastic. The bacteria showed measurable ability to degrade LDPE, reducing plastic weight over time. This research supports the potential for using locally sourced soil bacteria in plastic biodegradation efforts.
New insights into microbial degradation of polyethylene microplastic and potential polyethylene-degrading bacteria in sediments of the Pearl River Estuary, South China
Researchers investigated the biodegradation potential of polyethylene microplastics by microbial communities in sediments from the Pearl River Estuary in southern China. They found that specific bacteria, particularly Pseudomonas and Bacillus species, were selectively enriched on microplastic surfaces and actively degraded the plastic, with Bacillus achieving 6.5% weight loss in 40 days. The study provides new insights into the natural capacity of estuarine sediment microbes to break down polyethylene microplastics.
Lactobacillus plantarum reduces polystyrene microplastic induced toxicity via multiple pathways: A potentially effective and safe dietary strategy to counteract microplastic harm
Researchers found that Lactobacillus plantarum, a probiotic bacterium commonly found in fermented foods, can reduce the harmful effects of polystyrene microplastics in mice through multiple pathways. The bacteria worked by binding directly to plastic particles to help remove them from the body, reducing oxidative damage, repairing the intestinal barrier, and regulating bile acid metabolism. This suggests that certain probiotics could be a safe dietary strategy to help counteract some of the negative health effects of microplastic exposure.
Two plant-growth-promoting Bacillus species can utilize nanoplastics
Researchers discovered that two species of Bacillus bacteria, commonly used to promote plant growth in agriculture, can break down polystyrene nanoplastics by oxidizing them. While high doses of nanoplastics initially harmed the bacteria, both species recovered and grew normally over time. The findings point to a potential biological approach for cleaning up nanoplastic pollution in agricultural soils.
Efficient biosorption of nanoplastics by food-derived lactic acid bacterium
Researchers identified a food-derived lactic acid bacterium, Leuconostoc mesenteroides CBA3656, that efficiently binds and removes nanoplastics across a wide range of conditions including varying pH, temperature, and concentrations. In animal experiments, the strain significantly enhanced fecal excretion of nanoplastics, suggesting it could serve as a promising microbial approach for reducing nanoplastic burden in intestinal environments.
Exploitation of bacterial strains for microplastics (LDPE) biodegradation
Researchers tested five bacterial strains for their ability to biodegrade low-density polyethylene microplastics over four months. Pseudomonas aeruginosa showed the most significant degradation with an 18.2% weight loss, followed by Bacillus subtilis at 16.1%. The study demonstrates that naturally occurring soil bacteria can break down polyethylene microplastics, suggesting a potential biological approach to addressing plastic waste pollution.
Biodegradation of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2 isolated from a commercial aquafarm
Researchers found that a beneficial floc-forming bacterium, Bacillus cereus, isolated from a fish farm could break down polyethylene, polypropylene, and polystyrene microplastics when used as its sole carbon source. Over 60 days, the bacteria caused measurable weight loss and surface changes in the plastic particles, suggesting a potential biological approach to microplastic remediation in aquaculture settings.
Isolation and Characterization of Polyethylene and Polyethylene Terephthalate-degrading Bacteria from Jakarta Bay, Indonesia
Researchers isolated bacteria from Jakarta Bay, Indonesia, that showed the ability to degrade polyethylene and polyethylene terephthalate microplastics in laboratory conditions. They identified the most effective bacterial strains and confirmed plastic degradation through weight loss measurements and surface analysis. The study supports the potential of using naturally occurring marine bacteria for bioremediation of plastic-polluted coastal environments.
Isolation and Identification of Bacteria from Microplastic-Polluted Soil from Three Geopolitical Zones in Osun State, Nigeria
Researchers isolated and identified microplastic-degrading bacteria from plastic-polluted soils across three geopolitical zones in Osun State, Nigeria, collecting samples from six locations and using morphological and biochemical tests to identify four candidate strains -- Bacillus subtilis, Bacillus licheniformis, Bacillus amyloliticus, and Streptococcus spp. -- with potential for enzymatic plastic degradation.
Protein-mediated microbial biodegradation of high-density polyethylene: A comparative study of Bacillus cereus and Bacillus subtilis
Researchers compared the capacity of Bacillus cereus and Bacillus subtilis to degrade high-density polyethylene microplastics through protein-mediated mechanisms, finding that both species achieved degradation with B. subtilis showing slightly higher efficiency, supporting their potential as bioremediation agents in plastic-contaminated environments.
Microorganism-Based Bioremediation Approach for Plastics and Microplastics Wastes
Soil bacteria were isolated and screened for plastic-degrading capacity, with one of five isolates showing the highest low-density polyethylene (LDPE) degradation, demonstrating that soil-derived actinobacteria and other bacteria can contribute to bioremediation of plastic waste.
Phenotypic and Genomic Characterization of Polyethylene-Degrading Bacillus cereus PE-1 Enriched from Landfill Microbial Consortium
Scientists found a bacteria called Bacillus cereus PE-1 in landfill soil that can actually eat and break down plastic bags and containers (polyethylene). The bacteria damaged the plastic's surface and reduced its weight by about 5% in just 30 days, suggesting it could potentially help clean up plastic pollution in the environment. While this research is still early and needs more testing, it offers hope for using natural bacteria to tackle the growing problem of plastic waste that threatens our ecosystems and food chain.
Promoting bacterial colonization and biofilm formation for enhanced biodegradation of low-density polyethylene microplastics
Four bacterial strains isolated from marine plastic debris — including Bacillus cereus and Micrococcus luteus — were shown to form biofilms on low-density polyethylene and produce biosurfactants, with biofilm promotion strategies enhancing polyethylene biodegradation rates.
The escalated potential of the novel isolate Bacillus cereus NJD1 for effective biodegradation of LDPE films without pre-treatment
Researchers isolated a novel Bacillus cereus strain from a plastic waste dump that achieved 43% weight loss of LDPE films without pre-treatment, demonstrating promising potential for direct bacterial biodegradation of polyethylene waste.
Biodegradation of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2, isolated from a commercial aquafarm
Researchers isolated a naturally occurring bacterium (Bacillus cereus SHBF2) from a fish farm that can break down polyethylene, polypropylene, and polystyrene microplastics by using them as a food source. After 60 days, the bacteria degraded up to nearly 7% of polyethylene by weight and visibly damaged all three plastic types, offering a potential biological approach to cleaning up microplastic pollution in aquatic environments.
Isolation of a novel microplastic-degrading bacterial strain: a promising agent for low-density polyethylene remediation
Researchers isolated and compared two bacterial strains for their ability to biodegrade low-density polyethylene (LDPE), identifying Paenarthrobacter nitroguajacolicus as a novel candidate for plastic remediation. The study found that P. nitroguajacolicus showed superior growth and metabolic activity when using LDPE as its sole carbon source, while both strains produced visible structural and chemical changes in the plastic, suggesting complementary roles in potential bioremediation strategies.