Articles tagged with Bacterial Proteins
Researchers led by Yasu Morita at UMass Amherst have characterized a protein involved in producing a glycolipid compound critical for TB-causing Mycobacterium to become infectious. The discovery provides insight into the disease's mechanisms and potential new drug targets.
A recent study published in Cell reveals a new mechanism in the gut microbiome that regulates pro- and anti-inflammatory cells, potentially preventing inflammatory bowel disease. The research also suggests that changes in the gut microbiome can increase the risk of other autoimmune disorders.
A team of researchers from Instituto de Medicina Molecular used a pioneer method to modify proteins involved in infectious diseases. They identified a novel molecular mechanism that protects pathogenic bacteria from oxidative processes.
Bacteria self-organize to form a golden shell around their colony using gold nanoparticles, creating a functional pressure sensor. The researchers controlled the size and shape of the device by altering the growth environment, demonstrating a proof-of-principle for fabricating structured materials.
Researchers at John Innes Centre developed an advanced analysis method to study bacterial signalling, enabling a comprehensive 'signalling map' for the key protein Hfq. This approach integrates data from multiple experiments, increasing our capacity to understand plant and human diseases.
Researchers have identified a key protein, MgtE, that plays a crucial role in signaling bacteria to form clusters, or biofilms, in the lungs of cystic fibrosis patients. The study reveals how fluctuations in magnesium levels influence MgtE activity, providing new insights into the development of chronic pneumonia.
Researchers at the University of Groningen have identified a novel mechanism that targets hibernating ribosomes, making bacteria resistant to antibiotics. The mechanism involves a single protein, HPF±ong, which can dimerize and inhibit protein synthesis.
Protein add-ons play a crucial role in customizing protein interfaces, allowing proteins to interact specifically with their dedicated partners. The discovery sheds light on how proteins perform specialized functions and enables new avenues for understanding fundamental principles in nature.
Researchers at Oregon State University have identified two proteins, NGO1985 and NGO2121, as promising gonorrhea vaccine candidates. These proteins show extensive sensitivity to antimicrobial compounds, making them attractive targets for developing a vaccine.
Researchers have identified a new class of enzymes in hundreds of bacterial species, including those causing disease in humans and animals. These enzymatic flagella enable bacteria to degrade proteins in their environment.
Bacterial ribosomes can take an inactive form called hibernating 100S ribosome, helping bacteria conserve energy under stressful conditions. A SLU researcher discovered the protein factor HflX that triggers the transition back to active 70S form, essential for protein synthesis.
Scientists have discovered that bacteria can act as an aphrodisiac for choanoflagellates, one-celled marine organisms notable for being the closest living relative of all animals. The discovery reveals how these eukaryotes regulate their life history in response to bacterial cues.
Researchers discovered a bacterial protein, EroS, that induces mating behavior in single-celled organisms called choanoflagellates. Swarming among these unicellular organisms precedes sexual reproduction, and the protein's enzymatic function is responsible for this change.
Researchers discovered how a bacterial protein loosely binds to a mineral, allowing the bacterium to breathe in oxygen-deprived conditions. The study revealed that this protein interacts relatively weakly with the mineral, requiring less binding energy than typical proteins.
Gut microbes produce proteins that regulate NFIL3's circadian cycling, controlling fat absorption and export. This interaction may shed light on why disrupted clocks increase risk for obesity and diabetes.
A new study by CU Boulder researchers found that individual bacteria cells can feel their external environment through electrical signals, similar to vertebrates. This discovery could advance fundamental bacteria research and aid in developing drugs for infectious diseases.
Researchers from Eindhoven University of Technology and Queen's University have detailed the structure of a 600-nanometer protein in an Antarctic bacterium, revealing its role in gripping onto ice surfaces. The discovery has potential applications in preventing pathogenic bacteria from attaching to human cells.
Researchers discovered that a single protein from Group A Streptococcus bacteria can wipe out macrophages but not other immune cells, triggering an early warning system. This finding has implications for vaccine design and treatment of toxic shock syndrome.
Researchers at UT Southwestern Medical Center have discovered a link between the backup immune defense system and mutation seen in Crohn's disease. The study found that a backup pathway uses autophagy's cellular machinery to deliver protein weapons to the cell surface, making it more effective against bacterial attacks.
Researchers from Arizona State University have gained a fundamental understanding of the early evolution of photosynthesis by resolving the core membrane protein structure in the simplest known photosynthetic bacterium. This discovery provides a new template for organic-based solar panel design and possible renewable biofuel applications.
Wonpil Im's open-source biomolecular modeling tool CHARMM-GUI simulates bacterial membrane channels and transport of antibiotic molecules, supporting the fight against antibiotic resistance. Gram-negative bacteria's outer membrane poses a significant challenge to antibiotic penetration.
Researchers discovered how Cas1-Cas2 proteins insert viral DNA into CRISPR region by relying on flexible Cas1 protein, IHF binding, and DNA bending, allowing proper storage of 'memories' of prior viral infections. This finding opens doors for modification of the proteins to redirect them to other sequences.
A Wayne State University researcher has received a $1.9 million grant from the National Institutes of Health to study the role of AMP-activated protein kinase in regulating innate responses to bacterial endophthalmitis. The study aims to identify novel pathways and new means to treat blinding ocular infections.
Researchers encoded and played back a primitive movie in DNA using CRISPR technology, enabling the potential to record changing internal states of neurons. The 'molecular recorder' could one day allow for non-intrusive tracking of events over time, revolutionizing brain development studies.
Researchers discovered anti-CRISPR proteins that decrease off-target side effects by up to four-fold, acting as a kill switch to disable CRISPR-Cas9 after its job is done. Delivering CRISPR and then the protein reduces off-target effects in human cells.
A new clinical decision rule uses point scores and C-reactive protein to diagnose acute rhinosinusitis with good accuracy. The rule successfully identifies patients at low risk for bacterial infection, leading to more conservative use of antibiotics.
New research reveals that bacteria in fruit flies use a arsenal of toxins to defend against parasitic wasps, specifically targeting their ribosomes. The study found that the bacteria produce ribosome-inactivating proteins (RIPs) that attack and disable the parasite's ribosomes.
A team of researchers has identified 26 compounds from sponges and other marine organisms that are active against replicating tuberculosis bacteria, with 19 killing dormant bacteria. This is a novelty as existing drugs are better at killing replicating bacteria.
Researchers at the University of Alabama at Birmingham have developed a novel method for one-step protein purification that improves yield, purity, and activity by 10- to 500-fold. The CL7/Im7 affinity chromatography purification scheme overcomes weaknesses of current commercially available systems.
Researchers discovered a genetic cause of CHAPLE disease, a rare immune disorder that causes severe gastrointestinal symptoms and blood clots. They found that a defective CD55 gene leads to complement hyperactivity, damaging blood vessels and causing life-threatening symptoms.
Researchers at Kazan University have found that ficin, an enzyme derived from fig latex, is effective against Staphylococcus biofilms, a major obstacle in wound treatment. The study suggests that treating wounds with ficin can accelerate healing and improve outcomes.
Researchers identified two proteins derived from common gut bacteria that trigger immune responses in RA patients, supporting a link between intestinal and synovial autoimmunity. The discovery provides a potential pathway for improving diagnosis and treatment of rheumatoid arthritis.
Scientists have visualized bacterial microcompartment shells at atomic level resolution, revealing their structure and function. This breakthrough opens the door to identifying vulnerable targets for combating pathogenic bacteria and developing new kinds of designer nanoreactors.
Researchers at Lawrence Berkeley National Laboratory and Michigan State University have imaged the protein shell of a bacterial microcompartment at atomic resolution. The study provides the first picture of an intact bacterial organelle membrane, which could help in fighting pathogens or engineering beneficial organisms.
Researchers from VIB lab discovered functional amyloids formed by bacteria with dedicated biological functions, differing from toxic pathological amyloids. They developed a novel microscopy method to study real-time growth and regulatory characteristics of these fibers.
Biophysicists visualized type IV pili (T4P) dynamics using optical microscopy, revealing asymmetric distribution triggered by blue light. T4P extension activated at the forward side of cells illuminated laterally with blue light, driving forward motion and navigation.
E. coli bacteria defend themselves against toxins by forming dynamic tunnels through their cell wall, allowing them to expel intruders. This mechanism may also contribute to antibiotic resistance, prompting researchers to explore new strategies for combating resistant bacteria.
Cyanobacteria's protein machines, called carboxysomes, were biochemically purified and visualized using advanced microscopes. They were found to be softer and structurally flexible than previously thought, with implications for designing new nanomaterials and nano-bioreactors.
Florida researchers have identified a small protein from the Wolbachia bacterium that can silence viral material in Asian citrus psyllids, potentially helping trees fight off bacterial invasion. The protein could serve as a target for spray treatments to protect trees against the disease.
Researchers have discovered that a single protein in mycobacteria allows the bacteria to generate diverse populations that can evade TB drugs. Blocking this protein may reduce mycobacterial diversity and shorten treatment courses.
Researchers have discovered that naturally occurring fatty acids can switch off the specific genes that make listeria bacteria dangerous. Omega-3 fatty acids took about half an hour to neutralize the bacteria, according to the study published in Research in Microbiology.
A team of researchers has discovered an inflammatory signaling platform that cells use to defend against Salmonella infections, which may lead to the development of new antibiotic treatments. The study found that protein chains relay pro-inflammatory signals to trigger degradation of bacteria and restrict their proliferation.
Researchers have successfully resurrected a four-billion-year-old protein in modern E. coli bacteria, protecting it from viruses. This breakthrough could lead to the development of crop-resistant plants, as the ancient protein can't be hijacked by phages.
Scientists at Lund University have identified a novel defence mechanism that uses thrombin fragments to aggregate and neutralize bacteria and toxins in wounds. This discovery could provide an alternative approach to treating bacterial infections, potentially reducing the reliance on antibiotics.
Research found that plague bacteria Yersinia pestis can survive within amoebae, using proteins to avoid being digested. This discovery has implications for predicting disease re-emergence and may lead to new strategies for controlling the spread of plague.
Researchers have developed tools to visualize and control bacterial activity in the gut, opening up new possibilities for therapeutic delivery. These tools enable precise control of bacterial gene activity in specific locations within the gastrointestinal tract.
Researchers have identified the structure of NsrR, a bacterial protein that binds to DNA and plays a key role in resisting nitric oxide, a toxic byproduct of the human immune response. The study provides new insights into how bacteria counteract NO and highlights the importance of understanding this complex process.
A novel optical technique enables rapid sorting of amino acid sequences in living bacteria, revealing structural properties crucial for materials development. This technology uses femto-pico second lasers to inspect proteins without heating them up, enabling non-lethal screening and separation.
Researchers have discovered a defined architecture of the bacterial expressome, allowing for a better understanding of how bacteria impact human health. This finding may lead to the development of new antibiotics that target bacteria but leave human cells unharmed.
A recent study reveals that overexpression of the Cd14 gene offers protection against inflammatory bowel disease in mice, enhancing intestinal barrier function. The research suggests that soluble Cd14 could be an interesting new therapeutic target for future clinical research.
Researchers identify detailed structure of protein complex used by bacteria to detect environmental changes and adapt to them. This discovery sheds light on how bacteria develop resistance to antibiotics.
Researchers at MIT have developed a new method for detecting foodborne pathogens like E. coli using specialized droplets that can bind to bacterial proteins, allowing for fast and affordable testing with smartphones.
Researchers have discovered how viruses disable CRISPR-Cas systems, a sophisticated defense mechanism against bacterial infections. Anti-CRISPR proteins lock down the system's ability to identify and attack viral DNA, making them 'exceptionally clever' evolutionary tools.
A team of scientists has identified a new way that gut bacteria can break down complex sugars, revealing novel enzymes with potential applications in developing pre- and probiotic products to improve human health.
A breakthrough has been made in preventing biofilm formation by staphylococci on medical devices. The research team discovered a small blocking molecule that targets the SdrC protein, stopping bacterial attachment and growth.
Researchers modeled tripeptide production by bacterial translation machinery, confirming a highly sophisticated 'molecular toolkit' for simple lifeforms. The simulation revealed over 900 reactions and 200 chemicals formed as by-products, with non-linear behavior occurring at various stages.
Scientists discovered that tardigrades' unique protein-based mechanism protects them from desiccation by forming glass-like solids, which can also safeguard other biological materials. This breakthrough has potential uses in agriculture and pharmaceuticals, particularly in drought-resistant crops and medication storage.
Researchers found that E. coli toxins bind to elongation factor Tu and another protein EF-Ts to target specific tRNA molecules, inhibiting cell growth and leading to diarrhea or hemorrhagic colitis in humans.
Researchers at the University of Alberta have developed a photocleavable protein that breaks into two pieces when exposed to light, allowing scientists to study and manipulate activity inside cells in new ways. This tool has vast potential applications in various fields of research, including development biology and gene-editing techno...
Researchers found that adding back beneficial bacteria can help end a cycle of unchecked inflammation, suggesting a new treatment for inflammatory bowel disease. The study suggests targeting the inflammation downstream of NLRP12 with anti-inflammatory drugs or feeding specific beneficial bacteria to potentially lead to treatments.