Articles tagged with Bacterial Proteins
A study analyzed the potential of a bacterium to combat coffee rust, a major challenge for Brazilian coffee growers. The researchers found that the bacterium produces antibacterial and antifungal compounds, as well as proteins associated with protection against water stress, making it a promising candidate for biological control.
Researchers at Hokkaido University have developed a new class of antibacterial compounds targeting MraY, effective against MRSA and VRE. The findings provide a promising lead for the development of more effective antibiotics against multidrug-resistant bacteria.
Wild potato varieties have evolved multiple resistance factors to combat pathogens like Pectobacterium species. Researchers have identified protease inhibitors that prevent bacterial malignance by interrupting their communication system and degrading plant cell walls.
The study found that PodJ's phase separation plays a crucial role in forming and regulating the scaffold-signaling hub in Caulobacter crescentus. The researchers also identified a negative regulator, SpmX, which impedes PodJ condensate formation and promotes cell-pole remodeling.
Researchers develop new method to identify crucial protein fragments driving autoimmunity, enabling better diagnostics and therapies. The study finds cross-reactivity between human and microbial proteins drives autoimmunity in at least two diseases.
Researchers at Cornell University discover how to modulate the affinity of Cas proteins, enabling precise gene editing and reducing off-target effects. By modifying guide RNAs, they can tune Cas removal, contributing to future CRISPR applications.
Researchers at Rice University have engineered bacteria to quickly sense and report on the presence of various contaminants. The living bioelectronic sensors can be programmed to identify chemical invaders and report within minutes by releasing a detectable electrical current.
Researchers at the University of Copenhagen develop a low-fat, more sustainable whipped cream alternative using lactic acid bacteria as building blocks. The bacteria-based foam can be whipped, peaks up, and retains liquid, making it a potential game-changer in the food industry.
Researchers found that immune checkpoint blockade therapy may be beneficial for certain cases of severe COVID-19. In pre-clinical trials, treatment with a PD-1 inhibitor restored T cell functionality and reduced inflammation in mice infected by MHV-A59, another betacoronavirus.
Researchers have developed a method that uses urea from urine to trigger the production of proteins in bacteria, replacing costly 'inducer' molecules. The new system produces similar quantities of protein as standard methods while being cheaper and easier to use, opening up new avenues for biotech industries.
Researchers have successfully blocked the adhesion mechanism of Bartonella henselae bacteria, preventing cell infection. The discovery offers a promising new approach to combat highly resistant infectious agents like Acinetobacter baumannii.
A recent analysis found that individuals at risk for rheumatoid arthritis and those with the disease have higher blood levels of antibodies against Prevotella copri, a bacterial strain typically found in the gut. This study suggests that targeted therapies may be developed to prevent or treat the disease.
Scientists have developed an enzyme that effectively breaks down signaling molecules used by bacteria to produce biofilms. The enzyme, LrsL, has exceptional efficacy in suppressing biofilm formation by Pseudomonas aeruginosa, a bacterium known for causing hospital-acquired infections.
A study by Osaka University researchers has revealed the molecular details of how Vibrio cholerae secretes its colonization factor TcpF. The mechanism involves the Toxin-coregulated pilus (TCP) system, which allows the bacterium to colonize the human intestine and initiate infection.
The Rutgers team developed an analytical toolkit to measure protein-carbohydrate interactions with single-molecule precision. By adjusting the 'stickiness' of enzymes, they aim to enhance cellulose decomposition for biofuels production and improve healthcare targeting protein-based drugs.
Researchers observe atomic-level structural changes in bacterial ribosomes and their response to antibiotics, shedding light on mechanisms of action and potential off-target effects. The study provides new insights into the complex interactions between ribosomes and other cellular complexes.
Researchers used advanced imaging techniques to understand the structure of bacterial propellers, which are made of a single protein. The study reveals that bacteria push themselves forward by coiling these appendages into corkscrew shapes, and that similar structures have evolved independently in archaea.
A recent study finds that exposure to proteins in common foods, vaccines, bacteria, and viruses can prime the immune system to attack SARS-CoV-2, potentially providing protection against COVID-19. The study's findings suggest that individuals with a history of exposure to these agents may be less susceptible to severe illness.
A new study finds that lab adaptation involves mutations to highly conserved proteins, but natural adaptation exhibits more complex patterns, including non-conservation within functional domains. Lab conditions differ significantly from natural environments with variable and changing selective pressures.
Researchers at Imperial College London discovered a 'silent' mutation in bacteria that helps them evade antibiotics. The mutation alters the structure of an mRNA intermediate, preventing ribosomes from producing protein, and has arisen independently several times globally.
Researchers have successfully inserted nanotubes into bacteria, allowing for the creation of
Researchers from TU Delft discovered a CRISPR-Cas system that cuts proteins instead of DNA, opening doors to sensing RNA molecules in pathogens. The cutting protein has an on-off switch that only activates when recognizing viral RNA, causing dormancy and preventing virus multiplication.
Researchers at Karolinska Institutet have developed a method to create a three-dimensional gel from spider silk proteins that can be designed to deliver functional proteins. The gel has the potential to revolutionize regenerative medicine, enabling controlled drug release and tissue engineering applications.
Researchers at MIT discovered a peptide that sequesters heme, an iron-containing molecule, and sends bacteria into an iron-starvation mode, potentially treating diseases like periodontal disease and sickle cell disease. This finding could translate to therapeutic applications for patients with excessive heme in their blood.
A new study provides critical insights into the pGC-A membrane receptor, a vital component of cardiovascular regulation. The research offers a clearer understanding of this complex receptor and its signaling mechanisms, paving the way for new anti-hypertensive drugs.
Researchers at TUM have developed a cell-free production method for bacteriophages, which can be used to target and combat specific types of antibiotic-resistant bacteria. The new technology has the potential to produce personalized therapeutic phages for clinical trials, addressing multi-resistant germ infections.
A physicist has defended the Stokes-Einstein equation's validity in living systems, providing insight into bacterial resistance to antibiotics and cancer cell mechanics. The research reveals that the equation remains valid when considering entangled polymers and filaments within bacteria.
Researchers have designed a new vaccine candidate using bacterial vesicles coated on gold nanoparticles to deliver antigens and stimulate an immune response against tuberculosis. The use of outer membrane vesicles has shown promise in inducing a better immune response compared to traditional subunit vaccines.
A heat-loving bacterium's Cas13 protein enables specific detection of SARS-CoV-2 and other viruses in a one-pot assay. The technology has been patented and clinically validated, with the aim of mass production and commercialization.
Researchers identify key enzyme CbrR and cyclic-di-GMP as crucial for Campylobacter jejuni's motility and biofilm formation. By targeting these elements, scientists aim to develop a safe molecule to prevent infection.
Researchers used artificial intelligence to discover a new family of sensing genes in enteric bacteria that work together like VtrA and VtrC. This finding could help fight GI infections, particularly those caused by Vibrio parahaemolyticus and other related bacteria.
Researchers have deciphered the exact bacterial adhesion mechanism using Bartonella henselae, revealing a key role for trimeric autotransporter adhesins and their interaction with fibronectin. Experimental blocking of these processes almost entirely prevents bacterial adhesion.
Researchers have reconstructed what life was like for some of Earth's earliest organisms using light-capturing proteins in living microbes. The findings could help recognize signs of life on other planets with atmospheres similar to ancient Earth.
Researchers have discovered proteins that mediate intimate contacts between bacteria, enabling DNA transfer and resistance to antibiotics. Understanding this process can help develop new approaches to slow the spread of antimicrobial resistance.
Researchers found that chemical pre-treatment can help microorganisms break down plastics more quickly. The process makes carbon, oxygen, and hydrogen from the plastic's molecular structure more accessible for bacteria to use as food.
A study published in eLife has shown that fast-growing bacteria can resist antibiotics by displaying higher ribosome expression, allowing them to avoid macrolide accumulation. This finding highlights a new survival strategy for bacteria and offers potential avenues for developing improved antibiotic compounds.
Rice University bioengineers are developing optogenetic tools to study B. subtilis' stress response, combining experimental results with theoretical findings to understand genetic design principles. This research aims to reveal clues about bacterial survival and potentially lead to new antimicrobial drugs.
Researchers at Stockholm University have identified a novel mechanism for regulating the supply of DNA building blocks, providing a potential new target for designing better antibiotics. By targeting the pathogen's ability to reproduce, scientists may be able to control the growth of bacteria such as Mycobacterium tuberculosis.
Researchers at Vanderbilt University Medical Center discovered a mechanism Acinetobacter baumannii uses to survive in a dried state: producing hydrophilin proteins that protect against water loss. This finding could lead to new strategies for eliminating the pathogen from hospital surfaces.
A new technique called Operational Genomic Units (OGU) allows for improved resolution and simplicity in analyzing microbiome samples. By using individual genomes as basic units, researchers can pinpoint biologically relevant characteristics such as age and sex with greater accuracy.
Chronic skin wounds and biofilm infections pose significant challenges in healthcare. A new NIH-funded project aims to develop a novel class of molecules targeting bacterial iron homeostasis to combat these infections. The researchers have identified proof-of-concept small molecules that can inhibit the BfrB-Bfd protein-protein interac...
A team led by Professor Charles Gauthier is developing a glycoconjugate vaccine using sugars expressed on the surface of Burkholderia pseudomallei. The vaccine aims to stimulate an immune response and increase its efficacy.
Researchers have identified Velamenicoccus archaeovorus, an ultramicrobacterium that devours Methanosaeta cells in sewage treatment plants, leading to a new understanding of biomass conversion and recycling in deep sediments. The giant protein encoded by the gene enables it to dissolve cells.
A new study reveals that the curved shape of a predatory bacterium enables it to efficiently invade and consume harmful bugs like E.coli and Salmonella. The bacterium, called Bdellovibrio bacteriovorus, uses a specialized protein to sculpt its own shape, allowing it to fit into prey cells and grow inside them.
Researchers led by Cynthia Sharma explore a vast universe of RNA-binding proteins in bacteria, which play crucial roles in stress response and virulence control. The team aims to advance understanding of these proteins, revealing fundamental biological principles that could lead to novel biotechnological methodologies or antimicrobial ...
Researchers at Northwestern University discovered key structures controlling methane conversion in methane-eating bacteria, enabling potential human-made biological catalysts. The findings may lead to biotechnological applications such as harnessing methane from fracking sites or cleaning up oil spills.
Researchers sequenced bacteria associated with Fucus vesiculosus, finding tissue-specific bacteria important for alga's health. The study revealed new insights into the relationships between marine bacteria and algae, shedding light on the impact of climate change on ecosystem services.
A team of researchers has identified a bacterial protein called MutS2 that detects stalled ribosomes and marks them for destruction. The discovery sheds light on the fundamental process of quality control in bacteria, which may also play a role in neurodegenerative diseases in humans.
A newly discovered protein helps bacteria recognize stress hormones in the human body and direct their motion in the host. The discovery reveals that bacteria use catecholamines as signaling molecules to control their swimming behavior and navigate towards colonizing an organism.
Researchers found an association between a specific HLA-DPB1 gene variant and poor response to sublingual immunotherapy (SLIT) for Japanese cedar pollinosis. The study suggests that genotyping the HLA-DPB1 gene could help predict patient responsiveness to SLIT.
Researchers discovered that bacteria suppress membrane protein transport in response to stress, using alarm hormones to regulate the process. This allows the microorganisms to slow down their cellular processes and recover when conditions become more favorable.
Researchers found a human receptor protein detecting amino acids in the same way as bacteria, leading to potential enhancements of GABA-based drugs. This discovery adds to the sparse evidence of commonalities between bacteria and humans in sensing essential components.
A recent study has shed light on the protein structure that helps bacteria pump toxic molecules out of their cells, contributing to drug resistance. The researchers found that as a pH change occurs, the protein's channel opens and closes in a specific way, allowing the transport of toxic compounds.
Scientists at Weill Cornell Medicine developed a new imaging technique to capture bacteriorhodopsin's motions in response to light on a millisecond time scale. This study reveals the protein's kinetics, including the speed of transitions between open and closed states, which informs optogenetics research.
Scientists have discovered a new layer of regulation in plant-microbe interactions using peanut studies. An antisense long-noncoding RNA, DONE40, was found to bind to a protein involved in epigenetic control, suggesting a conserved function across plants and animals.
A new study by the University of North Carolina at Chapel Hill and an international team finds that triclosan triggers gut inflammation in mice. The researchers identified specific bacteria and enzymes that drive this damage, but also developed a microbiome-targeted inhibitor to block triclosan processing, preventing colitis.
Researchers have discovered a molecular mechanism that contributed to the emergence of the seventh cholera pandemic. The study found that modified Vibrio cholerae bacteria used their type 6 secretion system (T6SS) to outcompete and kill older strains, leading to their displacement.
Researchers discovered that bacteria use an ancient molecule called polyphosphate to silence problematic genetic elements, similar to heterochromatin in eukaryotes. This process helps protect the bacterial cell from harm and could enable scientists to develop new antibiotics.
Researchers found that certain bacteria in the human microbiome can produce an enzyme called acarbose kinase, which renders acarbose inactive. This enzyme is present in three major categories of oral and gut bacteria and may make people resistant to the antidiabetic drug.
Researchers at Washington University in St. Louis described for the first time the structure of CcsBA, a protein that transports heme and attaches it to cytochromes. The study revealed two conformational states of CcsBA, allowing scientists to characterize the enzyme mechanism.