Articles tagged with Soil Bacteria
Researchers discover that resistant soybean varieties actively recruit beneficial soil microorganisms to suppress the devastating soybean cyst nematode. These microbes can be transferred to soil to help defend susceptible soybeans, providing a promising new approach for sustainable crop protection.
The report highlights the need for an agreed definition of healthy soil, scalable biological indicators, and collaborative transitions to sustainable land management practices. It emphasizes the importance of building trust and aligning diverse priorities among all soil stakeholders.
University of Delaware researchers have discovered a novel strain of Bacillus subtilis that helps plants resist soil-borne diseases and retain moisture. The microbe, UD1022, is effective in controlling dollar spot fungus but only when applied directly to leaves, not through soil treatment.
Researchers found that bacteria exposed to perchlorate produce stronger calcium carbonate crystals, leading to better biocementation skills. The presence of guar gum and nickel chloride enhances the process, paving the way for alternative building strategies on Earth and Mars.
A recent study by RIKEN researchers analyzed the effects of pesticides and fertilizers on mandarin oranges in real-world farms across Japan. The findings showed that reducing chemical pesticides led to more fruit diseases, while also enhancing soil microbial diversity and improving carbon content. This trade-off highlights the need for...
Research in Chile's national parks shows that wildfires significantly alter soil structure and nutrient cycles, affecting ecosystem resilience. Humid temperate forests recover faster than mediterranean woodlands due to fire-adapted trees and higher rainfall.
A new paper outlines a global coalition dedicated to conserving microbial biodiversity, which accounts for 99% of life on Earth. The Microbial Conservation Specialist Group will develop Red List-compatible metrics, pilot restoration projects, and promote public awareness to ensure microbes are recognized as essential to planetary health.
Scientists have discovered a surprising strategy plants use to thrive in sulphur-deficient conditions by releasing glutathione, which enhances plant growth but reduces bacterial growth. This 'trans-kingdom fitness trade-off' has implications for designing better microbial solutions for resilient crops.
Researchers at the University of Lausanne discovered that plant roots release complex compounds called root exudates to recruit beneficial bacteria. These bacteria are attracted to glutamine, an amino acid that acts as a signal allowing them to colonize precise leakage sites on the root surface.
Researchers found that changes in pH levels result in three distinct metabolic states of the community, driven by indigenous biomass activity and nutrient availability. The simple model predicts the activity with just two parameters, offering insights into how soil microbiomes adapt to climate change.
A new study has revealed that wheat plants actively influence the microbial communities living on and inside their roots, with certain microbes favored under dry conditions and others under irrigation. This dynamic relationship allows the plant to select its microbial partners, shaping its microbiome over time.
Researchers at MIT engineered bacteria to produce unique wavelengths of light that can be detected using hyperspectral cameras. This technology could enable the development of bacterial sensors for agricultural applications, such as monitoring crop health and detecting pollutants.
Researchers at IISc developed a bacteria-based technique to repair lunar bricks damaged by harsh temperatures and solar winds. The process uses Sporosarcina pasteurii to produce calcium carbonate crystals that fill defects and strengthen the brick.
Researchers demonstrate a new technique for encapsulating beneficial bacteria that can be stored and applied to plants to improve growth and protect against pests. The technique enables customized probiotics for plants, allowing farmers to use these bacteria in conjunction with agrochemicals.
A new bacterial protein, BeeR, has been identified and its structure is being used to develop protein nanoparticles for targeted cancer drug delivery. The protein forms a hollow tube with a cavity capable of containing drug molecules.
Researchers discovered that sulfur bacteria from the Desulfobacteraceae family work together like a team to break down diverse organic compounds. By analyzing six strains, they found similar molecular strategies and a highly energy-efficient central metabolism pathway, enabling them to thrive in oxygen-free environments.
A study found that soil bacterial communities show increased antimicrobial resistance due to the presence of a predatory bacterium, Myxococcus xanthus. The researchers suggest that exposure to growth-inhibitory molecules released by M. xanthus leads to the enrichment of resistant isolates.
Soil microbial diversity decreases in alpine pioneer community degradation, while ecosystem functions initially increase before declining. Fungal communities are more vulnerable to environmental changes than bacterial ones.
A University at Buffalo-led team has identified a strain of bacteria that can break down and transform at least three types of PFAS, as well as some of the toxic byproducts of the bond-breaking process. The bacteria, Labrys portucalensis F11, metabolized over 90% of perfluorooctane sulfonic acid (PFOS) after a 100-day exposure period.
A recent study from the University of Illinois shows that gene-edited bacteria can supply equivalent of 35 pounds of nitrogen from air during early corn growth, increasing vegetative growth, nitrogen accumulation and yield by an average of 2 bushels per acre.
Researchers at Indiana University found that bacteria secrete molecules, like coelechelin, which weaken competitors' immune systems and increase their vulnerability to phage infection. This discovery highlights the potential of phage-chemical combinations in treating antibiotic-resistant infections.
Researchers at Princeton University discovered that certain bacteria can reduce a plant's immune activity, allowing its roots to grow longer. The study identified an enzyme produced by one of these bacteria as the key factor in this process, which could have implications for understanding microbiome interactions with host immune systems.
A new study reveals that anti-defense genes near the DNA entry point enable plasmids to overcome CRISPR system, promoting genetic transfer between bacteria. This discovery could pave the way for developing tools to address antibiotic resistance and genetic manipulation methods.
Researchers found that soil contains antibiotic resistance genes that can be transmitted to humans, making it a pressing public health threat. The study reveals how these genes spread through the environment and highlights the importance of understanding soil ecosystems to control antibiotic resistance.
Researchers discovered that serine inhibits the cell wall remodeling necessary for Clostridium perfringens to form spores, preventing food poisoning. The study provides insights into the underlying mechanism of spore formation and may lead to new strategies for preventing foodborne illnesses.
A new study developed a machine-learning model to predict microbial load, the density of microbes in our guts. The model revealed that many factors can influence microbial load, including lifestyle, diseases, and medications.
The winners of the Applied Microbiology International Horizon Awards 2024 have been named, including the One Health Microbiome Center at Penn State and researchers Dr. François Thomas and Dr. Helen Onyeaka.
Scientists discovered that gophers, which were introduced to a devastated area after the 1980 eruption, helped regenerate plant and animal life through their digging. The bacteria and fungi they brought to the surface helped plants establish themselves and survive.
The John Innes Centre, LMU Munich, and Leiden University have secured €8.3m in funding to study circadian rhythms in non-photosynthetic bacteria, which could have significant implications for human health and the environment. The project aims to understand the properties and ecology of biological clocks across a new kingdom of life.
A new study reveals widespread resistance of Pseudomonas aeruginosa to commonly used cleaning agents, including quaternary ammonium compounds. The researchers identify biocides that work well against the pathogen, highlighting the need for revised sanitation protocols in hospitals and homes.
A team of researchers has identified mangrove bacteria that can transform polyethylene terephthalate (PET) particles, which are a major contributor to ocean pollution. The discovery of novel enzymes and bacterial species with the ability to break down PET could potentially be used to develop new strategies for plastic waste cleanup.
Researchers found that stored human urine had little impact on soil bacterial communities, increasing nitrifying and denitrifying groups compared to synthetic fertilizers. The study suggests that recycled urine could enhance agricultural sustainability, reduce wastewater pollution, and decrease reliance on synthetic fertilizers.
A new study reveals that soil pH sets the stage for microbial interactions and community composition, with bacteria cooperating to survive in acidic environments. The research sheds light on global nitrogen cycling and provides insights into reducing potent greenhouse gas emissions.
Scientists studying environmental bacteria have determined a protein's essential role in maintaining the germ's shape. Loss of the protein OpgH disrupts the bubble-like cell envelope, resulting in the cell's death. This finding could lead to new drug targets and advance the search for better antibiotics.
A new study from the University of Maryland suggests that boosting urban soil health with compost and treated manure can reduce the amount of harmful bacteria. The research found that amended soils had lower levels of antibiotic-resistant strains and more beneficial bacteria.
Researchers have discovered that comammox bacteria can grow on guanidine, a previously unknown energy source. This finding has the potential to reduce agricultural nitrous oxide emissions and promote more sustainable agricultural practices.
A study published in PLOS Water found associations between weather, geographic location, and urban/rural settings with waterborne infectious disease hospitalizations. Hospitalization rates were higher for enteric and biofilm-forming bacterial pathogens in areas using groundwater, while precipitation increased parasitic infections.
Scientists have developed a new technique called Boba-seq to study gene function in microbes, allowing for rapid identification of gene traits and properties. The approach enables the analysis of hundreds of thousands of genetic variants simultaneously, providing insights into microbial genomes.
A new study found that tree bark surfaces absorb methane gas from the atmosphere, making trees 10% more beneficial for climate than previously thought. This discovery adds a new layer of importance to tree planting and reducing deforestation as part of efforts to cut methane emissions.
A research team led by Clemson University Professor Shahid Mukhtar aims to identify natural biological solutions through the microbiome to help soybeans survive extreme heat and drought. The study will focus on the cellular level, soil microbiomes, and plant responses to environmental stresses.
Peatland microorganisms have been found to metabolize polyphenols using alternative enzymes with and without oxygen. This discovery highlights the significance of polyphenols in peatland carbon dynamics and suggests that climate change may release more stored carbon into the atmosphere than previously thought.
Researchers at MIT have developed a new way to make microbes hardy enough to withstand industrial processing, high temperatures, radiation, and long-term storage. The method involves mixing bacteria with food and drug additives, resulting in stable formulations that can be used in various applications.
In a study published in PNAS, researchers found that microscopic fungi play a key role in enhancing soil carbon storage in newly formed landscapes created by shrinking Arctic glaciers. The team discovered diverse communities of microbes thriving in the barren soils, and pioneer fungi sequester carbon in the soil.
Researchers have identified a potent and unique way to kill drug-resistant bacteria using a repurposed compound called LEI-800. The compound targets the bacterial enzyme DNA gyrase, which is essential for bacterial growth and has not been targeted by existing antibiotics.
Researchers tracked how a mixture of plant waste was metabolized by bacteria to contribute to atmospheric CO2. Microbes respired three times as much CO2 from lignin carbons compared to cellulose carbons, shedding light on the role of microbes in soil carbon cycling and its impact on climate change.
A global research team identified 863,498 promising antimicrobial peptides in marine and soil environments, as well as human and animal guts, to combat antimicrobial resistance. The findings come with a renewed focus on combatting the growing number of superbugs resistant to current drugs.
A new study in Nature Communications reveals that symbiotic bacteria play a critical role in modulating the profile of root secreted molecules, influencing the assembly of a symbiotic root microbiome. The findings provide valuable insights into the complex interplay between nitrogen nutrition and plant-bacteria interactions.
Farny will investigate the impact of methylation on gene expression of Pseudomonas putida in soil and laboratory conditions, building gene circuits to test engineered bacteria. The project aims to advance the use of bacteria for environmental cleanups and create educational resources for undergraduate students.
A team of Georgia Tech biologists discovered that chemoautotrophic sulfur-oxidizing bacteria play a crucial role in providing nitrogen to plants while detoxifying the root zone, enhancing plant health and resilience. This finding highlights the importance of microbes in coastal ecosystems.
Researchers created GraSSRep and rhea, tools that outperform current methods for handling repeats and structural variants in metagenomic data. These methods use self-supervised learning and graph neural networks to analyze microbiome data, offering new insights into biological processes and potential applications in antibiotic resistance.
Scientists have discovered a positive relationship between calcium concentrations and potato plant resistance to bacterial wilt. Calcium supplementation can significantly reduce the growth rate of the pathogen and negatively affect its ability to form biofilms and move.
Researchers found microbial communities in Atacama Desert soil, dominated by Actinobacteria and possibly relying on gypsum for water. The discovery hints at a previously unknown deep biosphere under hyper-arid desert soils, with potential implications for the search for extraterrestrial life.
Researchers have identified a novel class of antimicrobial toxins, dubbed umbrella toxins, produced by soil bacteria Streptomyces. These toxins are large protein complexes that specifically target other Streptomyces species, making them a promising lead in the fight against antibiotic resistance.
Scientists at UC Davis discovered specific strains of soil bacteria that induce resistance to witchweed, a parasitic plant that affects 20% of Africa's sorghum crop. The bacteria alter root anatomy and degrade chemical cues, making it harder for witchweed to latch on, and have great promise as soil additives to improve yields.
A new vaccine developed by UCLA researchers demonstrates high protection against melioidosis, a tropical disease that causes 89,000 fatalities annually. The vaccine was tested in mice and found effective even against a highly lethal strain of the bacteria.
Tulane University researchers have developed a CRISPR-based platform for diagnosing nontuberculous mycobacteria (NTM) infections, allowing for accurate results in as little as two hours. The blood test can identify over 93% of patients with an NTM infection, enabling rapid treatment plans and reducing the risk of complications.
Soil microbes were analyzed near the Centralia mine fire, revealing new insights into how bacterial communities respond to intense environmental change. The team found that species that were active or dormant changed after the fire, but some populations recovered with new bacteria being blown in by wind.
Researchers have created a galvanized steel coating that reduces corrosion and prevents bacterial growth, improving food safety. The coating decreases bacterial strains over seven days and can be used on grain storage silos and other food-related storage units.
Researchers found hundreds of new genes in these bacteria, which may offer clues to curb antibiotic-resistant infections. Insects and other invertebrates are likely the greatest natural source for enterococci bacteria, including those that are naturally resistant.
Researchers have identified two genetic factors, LSH1/LSH2, that promote the production of specialized root cells required for nitrogen-fixing bacteria to thrive in legumes. This discovery brings us closer to engineering non-legume crops to develop root nodule organs and reduce our reliance on industrial nitrogen fertilizers.