Researchers have developed a method using bacteria to test for pollutants in water and soil, detecting uranium and nitrate pollution. The test can be done overnight for up to 100 samples and is showing promise in predicting oil spills.
Researchers at Rockefeller University have cracked the code of a fundamental process bacteria use to defend themselves against invaders. The type III CRISPR-Cas system targets both viral DNA and RNA, preventing viruses from copying themselves and infecting more bacteria.
University of Adelaide researchers identified a common building block called PATR in virulence factors of many major harmful bacteria. The discovery could lead to the development of broad-spectrum bacterial virulence inhibitors, revolutionizing antibiotic treatments.
A new study found that one in five nursing home residents with advanced dementia harbor strains of drug-resistant bacteria, with over 10% resistant to four or more antibiotic classes. Researchers detected genetically related bacteria in 82% of the 22 nursing homes studied.
Researchers used mathematical equations to study how flowing fluid hinders bacterial movement in search of food. The findings suggest that slender bacteria get trapped in high shear regions, affecting their ability to find food but potentially aiding surface colonization.
A study by University of Chicago scientists reveals how immune cells shape the gut microbiota to naturally limit infections. Intestinal immune cells, called type 3 innate lymphoid cells (ILC3s), play a crucial role in detecting harmful bacteria.
Scientists have developed a method to analyze uranium isotopes to determine whether bacteria were active in forming sediments billions of years ago. This new approach gives researchers a unique tool to study microbial activity and environmental niches from the past.
Researchers discovered how bacteria differentiate between self and foreign DNA using the CRISPR system, which involves identifying rapidly replicating DNA and utilizing DNA repair processes to create immune memory.
A pioneering new technique using sequential treatments may help combat the rise of antibiotic-resistant bacteria by killing them at lower doses than usual. This approach reduces the risk of bacteria becoming resistant to antibiotics, maintaining long-term effectiveness.
Scientists have isolated bacteria that inhibit the growth of the white-nose syndrome fungus in laboratory tests. The bacteria may help protect bats from the disease when treated with a bacterial spray applied during hibernation.
Researchers have made significant progress in understanding the complex relationship between bacteria and the deadly frog disease chytrid fungus. The study found that only a small proportion of bacteria inhibited all forms of the disease, highlighting the need for diverse probiotic treatments to combat its shifting targets.
Researchers from Loyola University Chicago Stritch School of Medicine found bacteria in the bladders of healthy women, contradicting the long-held belief that normal urine is sterile. This discovery has significant implications for understanding bladder health and disease, particularly lower urinary tract disorders.
Researchers found that nasal drops of harmless bacteria can inhibit the spread of meningococcal disease-causing bacteria. The study suggests a possible new approach for preventing outbreaks using a related but harmless type of bacteria, which appeared to prevent the disease-causing pathogen from colonizing the upper airway.
Researchers discovered that bacteria can use magnetite to create a 'natural battery' by loading and discharging electrons. This mechanism has implications for cleaning up toxic metals and could be adapted for other types of bacteria, expanding its potential uses.
Two antibiotic resistance genes, KPC and NDM-1, can be shared among bacteria responsible for hospital-associated infections. The study found that genetic similarity between US and South Asian strains suggests easy transmission of these superbugs.
Research finds that bacterial communication through autoinducer-2 can restore balance of gut microbiota after antibiotic treatment. The study suggests using bacteria's own language to control and exploit beneficial microbes in the human gut.
Researchers at the University of Exeter discovered that bacteria can evolve a permanent immune response to phages, but also induce a temporary CRISPR response for low-risk conditions. This finding has implications for industrial bacterial cultures and could lead to more efficient and cost-effective methods.
Researchers at the University of Alberta and University of Manitoba identified a link between infant gut bacteria and future food sensitization. The study found that infants with fewer diverse gut bacteria at three months old were more likely to develop food allergies by one year old.
Scientists capture first detailed images of ultra-small bacteria, average volume of 0.009 cubic microns, with unique internal structure and metabolism. The discovery sheds light on the role of microbes in climate, food and water supply, and ecosystems.
The study found that Listeria monocytogenes adapts its metabolism specifically to the host genotype, correlating with the severity of symptoms in infected mice. Bacteria retain a 'memory effect' that reverts to a common metabolic fingerprint after laboratory cultivation.
Researchers found that certain bacterial DNA can be passed from mother to child, affecting traits such as immunity and inflammation. This discovery suggests a new factor in understanding how genes influence illness and health.
A study found that a single genomic change can turn beneficial bacteria into pathogenic bacteria by boosting bacterial density inside the host. The research team identified a region of the Wolbachia genome responsible for regulating bacterial densities in flies.
A SLU scientist has discovered an evolutionary mechanism used by bacteria to evade antibiotics like azithromycin. The discovery reveals a universal stalling mechanism, suggesting a way to improve existing drugs' effectiveness against antibiotic-resistant strains.
A study found that taking antibiotics for diarrhea while traveling increases the risk of colonizing drug-resistant bacteria, such as ESBL-producing Enterobacteriaceae. Travelers returning home with these bacteria can unknowingly spread them to their own countries, posing a serious public health threat.
New research at Brown University reveals that bacteria have the genetic capacity to produce terpenes, with 262 gene sequences found to code for enzymes responsible. The team used these enzymes to isolate 13 previously unknown bacterial terpenes, providing a new paradigm for discovering natural products.
A study by The Wistar Institute found that a polymorphism in the TLR5 gene affects tumor progression and inflammation in breast and ovarian cancers. In individuals with functional TLR5 expression, commensal bacteria stimulate IL-6 production, leading to suppressed antitumor immune activity.
Researchers explore how bacteria survive destruction from antimicrobial peptides and uncover a strategy that can be disabled. A two-component system helps bacteria remove antimicrobial peptides, blocking their bactericidal effect.
Gut bacteria produce cephalosporinases that protect themselves and beneficial bacteria from antibiotics, while also giving protection to harmful bacteria. The researchers found genes in Bacteroides bacteria that produce an enzyme destroying certain antibiotics.
Researchers at the University of Houston are using a patented equation to assess the effects of antibiotics on bacteria and develop more effective treatments. They plan to use image analysis technology to automatically record data, reducing the need for physicians to run excessive tests.
Researchers discovered how immune cells consume oxygen and restrict bacterial growth in cystic fibrosis patients. This study provides new insights into bacterial behavior and growth in chronic infections.
Research reveals that invasive prairie plant Lespedeza cuneata has superior performance when paired with specific bacteria, leading to increased nitrogen fixation and competitiveness. The study highlights the ecological risks of invasive species and underscores the importance of native plant partnerships in soil symbiosis.
Researchers found that plant seeds can be pre-colonized with beneficial bacteria, providing enhanced microbial protection. This discovery has significant implications for creating food-safe antimicrobials and understanding the importance of early colonization in establishing a healthy microbiome.
A recent study published in Proceedings of the National Academy of Sciences reveals a vast array of bacteria living on tropical tree leaves, including over 400 species found on a single tree. The discovery has significant implications for understanding forest health, disease resistance, and the impact of climate change.
Research in mice demonstrates that commensal bacteria enhance the immune system's ability to kill Klebsiella pneumoniae by boosting alveolar macrophage production of reactive oxygen molecules. The study suggests that signals from these beneficial bacteria play an active role in regulating immune function, even in the absence of infection.
Researchers discovered bacteria can develop antibiotic resistance through hidden genetic changes, using complex environmental gradients to promote rapid evolution. The findings reveal a diverse arsenal of genetic 'weapons' bacteria can employ to fight antibiotics, making them more versatile and difficult to defeat.
A new study reveals that nearly half of hog workers in North Carolina carry livestock-associated Staphylococcus aureus, with 46% persistently carrying the bacteria up to four days after exposure. The drug-resistant strains have implications for public health, potentially spreading to family members and communities.
Researchers identified lactic acid bacteria in honey that effectively counteracted severe human wound pathogens and persistent horse wounds. The bacteria produce a broad spectrum of antimicrobial compounds as needed, depending on the threat.
Researchers found that phages can force cholera bacteria to give up their virulence in order to survive, making them less fit to cause infection. This discovery suggests a new strategy for treating or preventing cholera using phage therapy.
Researchers at Yale University have identified a handful of bacteria that may drive inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. The study found a correlation between high levels of an antibody coating on the surface of these bacteria and inflammatory responses in the human intestine.
Researchers found that antibiotics can alter the gut's bacterial ecosystem, increasing susceptibility to diseases like hypersensitivity pneumonitis. The study suggests that probiotics could be used to boost helpful bacteria and prevent disease.
Researchers at Lund University discovered how Haemophilus influenzae bacteria can share iron with each other, increasing their chances of survival and potentially creating new vaccine targets. This interaction has significant implications for the development of vaccines and treatments for respiratory infections.
Researchers found distinct bacterial communities in healthy and incontinent women, suggesting a potential link between bacteria and female urinary health. The study identified new bacteria not detected by standard culture techniques, which may contribute to the lack of response to conventional treatments for urinary incontinence.
Researchers at Case Western Reserve University identified a promising new pathway to disabling bacterial infection: blocking bacteria's access to iron in the body. They found that bacteria can feed on iron supplied by both bacterial and mammalian siderophore, allowing them to proliferate and make the host ill.
Researchers found genetically identical bacteria respond differently to sugars, exhibiting a wide range of behaviors. The study highlights the complexity of bacterial behaviors and their response to environmental conditions.
A new computational method has uncovered closely related, previously indistinguishable bacteria living in different parts of the human mouth. The study provides high taxonomic resolution of bacterial communities, revealing distinct bacteria in saliva, tongue, gums, plaque, and tonsils with unique properties.
Researchers at UEA identified a vulnerable gate in Gram-negative bacteria's outer membrane that prevents the transport of barrier-building blocks, making bacteria susceptible to death. This breakthrough could lead to new generation drugs targeting the protective barrier instead of the bacteria itself.
Researchers have discovered that populating GI tracts with Bacteroides species producing beta-lactamase enzyme protects good commensal bacteria from antibiotics. This finding suggests a potential new strategy for preserving the gut microbiome during antibiotic treatment.
Researchers found that Neisseria meningitidis and gonorrhoeae bacteria can change the structure of their outer proteins to evade the immune system. This discovery could lead to new treatments for bacterial diseases such as meningitis and gonorrhea.
A new class of antimicrobials inhibits biofilm formation and eradicates mature biofilms in Gram-negative and Gram-positive bacteria. The substance, '1018', blocks the stringent stress response mediator (p)ppGPP, preventing its role in biofilm maintenance.
A small molecule peptide destroys biofilms and prevents their formation in various bacteria, including those resistant to antibiotics. The discovery offers a promising strategy to target bacterial biofilms and combat antibiotic-resistant infections.
Researchers found that most genes from soil bacteria are not poised to contribute to antibiotic resistance in infectious bacteria. The study suggests that sharing of these genes between species is rare, and gene sharing may be driven by exposure to new antibiotics.
Windshield washer fluid has been found to be a source of Legionnaires bacteria, which can cause severe respiratory illness and pneumonia. Nearly 75% of school buses tested in Arizona were contaminated with the bacteria, highlighting the potential for automobile windshield washing systems to transmit deadly infections.
Researchers from Loyola University Chicago found bacteria in the bladders of healthy women, challenging the common belief that normal urine is sterile. The study also revealed differences in bladder bacteria between healthy women and those with overactive bladder (OAB), which may contribute to OAB symptoms.
Research suggests certain bacteria in healthy women's bladders differ from those with overactive bladder (OAB), potentially contributing to the condition. Approximately 15% of women suffer from OAB, with an estimated 40-50% not responding to conventional treatments.
A breakthrough in diagnostic technology could make it easier to detect pathogenic bacteria, particularly in developing nations. The innovative approach involves hijacking bacterial metabolic machinery to grow polymers that selectively bind to specific bacteria.
Intestinal alkaline phosphatase (IAP) promotes beneficial bacteria growth by blocking ATP's growth-inhibiting action. The study reveals IAP's role in maintaining intestinal microbial balance and its potential as a simple therapy for health problems caused by imbalance.
Researchers discovered that 'lonely' microbes are more likely to mutate, resulting in higher rates of antibiotic resistance. The rate of mutation varies according to the number of bacteria present, with more 'lonely' bacteria developing greater resistance to antibiotics like Rifampicin.
Researchers at the University of Missouri identified a molecular signal that invites bacterial attack in plants. This discovery could lead to natural defenses against harmful bacteria in food-producing plants.
A recent study has identified 80 unique antibiotic resistance genes in cow manure, including a new family of chloramphenicol-resistant genes. These genes have the potential to transfer to bacteria in soil and food, posing a risk for human health if they colonize harmful bacteria.
A Western University study has discovered a unique population of microbes in the female breast associated with cancer risk. The research found that certain types of bacteria, including Proteobacteria, were present in and beside tumors.