The role of clinical microbiology laboratories is evolving with the increasing availability of sophisticated technologies, which can improve the quality and delivery of services. The tools and changes they bring can substantially enhance patient care by reducing mortality rates from sepsis.
Researchers have devised a novel strategy for developing rapid, inexpensive diagnostic tests for microbial infections by identifying soluble microbial antigens. The InMAD system successfully identified antigens for biothreats Burkholderia pseudomallei and Francisella tularensis.
Researchers from Yale University discovered that a virus from the same family as rabies can target and kill soft tissue sarcomas. The oncolytic activity of VSV-rp30a was found to be effective against 12 out of 13 different sarcoma lines, with resistance overcome by interferon antagonizers.
Researchers discovered a novel mechanism used by bacteria Paenibacillus dendritiformis to cope with overcrowding. A new insect-borne virus, Cavally virus, was also found in mosquitoes in Cote d'Ivoire, which may cause severe disease in humans or animals.
Scientists identify novel MRSA strain with highly divergent genes not detected by traditional methods, suggesting transmission from animals to humans. The study highlights the emergence of new MRSA strains from animal reservoirs in Ireland and Europe.
A new bacterium, Pseudomonas putida CBB5, uses newly discovered digestive enzymes to break down caffeine into carbon dioxide and ammonia. The enzyme's ability to remove methyl groups could lead to easier pharmaceutical production, potentially lowering costs.
Researchers have discovered a high concentration of bacteria in the center of hailstones, indicating that airborne microorganisms may play a role in weather events. The study suggests that biological particles, such as bacteria, can act as ice nuclei, catalyzing ice formation at temperatures near -2 degrees Celsius.
The American Society for Microbiology warns that globalization is exposing the US food supply to unsanitary practices, particularly in seafood and fresh produce imports. The FDA inspects less than 1% of imported entries annually, highlighting the need for both government verification and industry responsibility.
A subset of severe asthmatics harbor infectious C. pneumoniae in their lungs, resulting in antibody production and increased asthma severity. Antibiotic treatment can significantly improve symptoms and even lead to a complete abolition of asthma symptoms.
Mycorrhizal fungi can increase plant growth with less phosphate fertilizer, solving a pressing challenge for global food production. Researchers have discovered that using mycorrhizal fungus gel can produce the same yield as traditional farming with up to half less phosphate fertilizer.
A new computer model simulates how Gulf currents enabled marine microorganisms to degrade oil spills more quickly. The 'dynamic auto-inoculation' process activated microbes, increasing bacterial populations and degrading hydrocarbons.
A study found that infection with the bacteria Helicobacter pylori can lead to Parkinson's disease symptoms in mice, and researchers suggest that this may be due to a modified cholesterol produced by the bacteria. The findings could have implications for understanding the development of neurodegenerative disorders.
Researchers used whole genome sequencing and social network analysis to track a tuberculosis outbreak in British Columbia, identifying key individuals as superspreaders and behaviors contributing to the outbreak. The technique allowed public health officials to reconstruct outbreaks and understand how pathogens move through populations.
Research found that washing with contaminated liquid soap increases Gram-negative bacteria on hands 26-fold, and bacteria from contaminated hands can be transferred to secondary surfaces. This study highlights the importance of using sealed-soap dispensers in community settings.
Research suggests that probiotic E. coli Nissle 1917 can reduce negative effects of AIEC in Crohn's patients, modulating inflammatory immune proteins. The study emphasizes the potential of EcN in IBD treatment and its use as a therapeutic option for CD patients with pathogenic AIEC.
Researchers found that blocking carbon dioxide fixation enables bacteria to produce more hydrogen gas, a promising biofuel. The Calvin cycle, responsible for carbon dioxide fixation, competes with hydrogen production for electrons.
Research reveals that gut bacteria can exert control over metabolic functions of organs, including the liver, through changes in the microbiota. The study found that colonization with specific bacteria triggered changes in liver metabolic profiles, including glycogen and triglyceride production.
A strain of probiotic bacteria, Bifidobacterium bifidum CECT 7366, has been identified as effective in treating ulcers caused by Helicobacter pylori. The probiotic strain demonstrated significant inhibition levels against H. pylori and partially relieved damage to gastric tissue.
The One Health concept aims to integrate surveillance activities across species to monitor and respond to emerging zoonotic diseases. ProMED-mail's global surveillance system has reported over 10,000 animal health issues, highlighting the need for improved interspecies collaboration.
Research suggests that specific bacteria in the placenta during pregnancy may contribute to preterm birth and inflammatory responses. Placentas colonized by bacteria commonly associated with bacterial vaginosis showed elevated pro-inflammatory proteins in newborns, while those colonized by Lactobacillus species had lower levels.
Researchers identified a new protein (vopE) involved in causing diarrhea and found that the bacteria requires T3SS to cause disease. The study reveals a second pathogenic mechanism used by non-O1, non-O139 strains of Vibrio cholerae.
A new study suggests preterm infants are at risk of invasive pneumococcal disease despite receiving the pneumococcal conjugate vaccine. Early effective immunization is crucial, as they have lower levels of maternally derived antibody than full-term infants.
Infants have more efficient bacteria to digest milk due to specific bacterial strains dominating their digestive tracts. These strains, such as Bifidobacterium longum subsp. infantis, enable efficient growth on human milk oligosaccharides.
Scientists have discovered that long non-protein-coding RNA (lncRNA) are involved in the host response to viral infection. The study found that lncRNAs were triggered by virus infection and regulated in response, suggesting a new paradigm shift in understanding of innate immunity.
Research reveals that a pregnant woman's immune response to viral infections may induce subtle neurological changes in the unborn child, increasing the risk of neurodevelopmental disorders. The study suggests potential strategies for reducing this risk by targeting specific immune proteins.
Experts speculate on future of H1N1 pandemic virus, predicting low mortality rates due to existing immunity in the population. The degree of immunity and potential changes to the virus will impact the upcoming influenza season.
Recent studies have uncovered surprising parallels between pheromone signaling in bacteria and fungi, suggesting a close link between microbial sex and virulence. The review highlights the role of telesensing in regulating genetic exchange and potential virulence factors in opportunistic pathogens.
Research found that extracellular proteins require less energy to produce than their cellular counterparts, even though they are lost to the environment. Microbes like E. coli and Pseudomonas syringae have optimized their protein synthesis to reduce energy costs, with over 100 proteins being more economical in nature.
Scientists have discovered that Helicobacter pylori needs vitamin B6 to cause and maintain stomach infections. Researchers used a mouse model to identify the importance of PdxA and PdxJ enzymes in bacterial pathogenesis, paving the way for novel antibiotic treatments.
Benjamin tenOever, a leading expert in microbiology and infectious diseases, has been awarded the 2010 ICAAC Young Investigator Award. His research focuses on understanding the cell's response to infection and developing novel strategies for vaccine and antiviral drug design.
Catherine A. Blish receives ICAAC Young Investigator Award for elucidating neutralizing antibodies in HIV transmission, sponsored by Merck. Her work shows that broad neutralizing antibody responses may not prevent superinfection with a second strain of HIV.
Manuela Raffatellu, a UC Irvine researcher, received the 2010 ICAAC Young Investigator Award from ASM for her work on Salmonella typhimurium's interaction with the gut. Her research has identified novel roles for early T cell responses and IL-17 in preventing bacterial dissemination.
Dr. Binh An Diep, a researcher at the University of California, San Francisco, has made significant contributions to understanding methicillin-resistant Staphylococcus aureus (MRSA) epidemiology and pathogenesis.
Carol Iversen received the 2010 ICAAC Young Investigator Award for her research on Enterobacter sakazakii taxonomy. Her work led to the creation of a new genus Cronobacter, which has improved detection and isolation of the bacteria.
Dr. Thomas J. Walsh, Director of the Transplantation-Oncology Infectious Diseases Program at Weill Cornell Medical College, has been selected as the 2010 laureate of the sanofi-aventis ICAAC Award for his groundbreaking work on antifungal pharmacology and therapeutics.
Certain tree species have developed strategies to select bacterial communities that can break down inorganic minerals into usable nutrients. This process, known as mineral weathering, is essential for tree growth in acidic forest soils.
A recent study estimates that waterborne diseases like Legionnaires', cryptosporidiosis, and giardiasis cost the healthcare system up to $539 million annually. The three diseases cause severe illness often requiring hospital stays of over a week, resulting in significant healthcare costs.
A study estimated that nearly 5 percent of the Key West population was exposed to dengue virus in 2009. This finding raises concerns about the potential for a large-scale outbreak in the region.
Research presented at the International Conference on Emerging Infectious Diseases found that less than 5% of people covered their mouth using recommended methods during the H1N1 pandemic. Medical students observed a low prevalence of respiratory hygiene behaviors in public areas, with most people covering their mouths with their hands.
Research reveals nearly 1 in 25 restaurant-associated foodborne outbreaks can be traced back to contaminated salsa or guacamole. Proper storage and handling of these foods are key to preventing illness.
Researchers found that bacterial communication promotes persistence and resistance to antibiotics in ear infections caused by multiple bacteria species, particularly Haemophilus influenzae and Moraxella catarrhalis. Disrupting this communication could lead to effective treatments for chronic ear infections.
Researchers analyzed bacterial populations in the noses and throats of seven healthy adults using two culture-independent methods. They found distinct differences between nasal and throat bacteria, with some groups more prevalent in one area than the other.
Studies found correlations between specific bacterial groups and obesity, as well as genetic variations affecting gut diversity. These results could lead to individualized probiotic or antibiotic treatments for obesity.
Researchers found that specific bacterial signatures were associated with polyps, early lesions that can develop into colon cancer. The study suggests the development of non-invasive screening tests and diet-based prevention regimens to reduce CRC risk.
A Montreal study reveals that more than 70 percent of bottled water samples contain heterotrophic bacteria counts above the recommended limits set by the United States Pharmacopeia. High microbial counts were found in several famous brands, with some exceeding 100 times the permitted limit.
Scientists have identified a synergistic relationship between a fungal pathogen and RNA viruses from the family Dicistroviridae as contributing factors to Colony Collapse Disorder. The presence of these pathogens in sick colonies is a strong predictor of collapse, with higher levels of the fungus compromising gut wall integrity.
Researchers discover mutant strain of gum disease-causing bacteria that can activate autophagy, a cellular process that breaks down waste products and plaques associated with neurodegenerative diseases. This finding could lead to novel therapeutics for treating Alzheimer's, Parkinson's, and other diseases.
Researchers have found a statistically significant association between enteroviral infection and diagnosis of type-1 diabetes in children, with 83% of patients testing positive for enteroviral DNA. The study suggests that different enterovirus types may represent a significant biomarker for early-stage juvenile diabetes.
A new animal model demonstrates that early childhood lung infections can lead to asthma development later in life. The study found that an altered immune response in neonatal mice played a key role in the progression of asthma.
Mycobacterium vaccae has been shown to increase serotonin levels and decrease anxiety in mice, leading to improved learning behavior. The temporary effects suggest a potential role for the bacteria in anxiety and learning in mammals.