Bacterial Infections Current Events | Page 25

Bacterial Infections Current Events, Bacterial Infections News Articles.
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Research could put penicillin back in battle against antibiotic resistant bugs that kill millions
Research led by the University of Warwick has uncovered exactly how the bacterium Streptococcus pneumoniae has become resistant to the antibiotic penicillin. The same research could also open up MRSA to attack by penicillin and help create a library of designer antibiotics to use against a range of other dangerous bacteria. (2008-03-12)

Vaccinating children protects adults as well
Since the approval of a vaccine against pneumococcal bacteria for young children in 2000, there has not only been a drop in the incidence of severe disease caused these bacteria in children but also a significant decline in the disease in adults. (2004-03-02)

Right beneath the skin we all have the same bacteria
In the dermis skin layer, the same bacteria are found across age and gender. This has been shown by researchers from the University of Copenhagen in a new study which has studied skin samples from knees and hips. The researchers hope it is a step in the direction of a better understanding of why skin disorders occur. (2020-02-12)

German researchers make significant strides in identifying cause of bacterial infections
Several bacterial pathogens use toxins to manipulate human host cells, ultimately disturbing cellular signal transduction. Until now, however, scientists have been able to track down only a few of the proteins that interact with bacterial toxins in infected human cells. Now, researchers in Germany have identified 39 interaction partners of these toxins, using novel technology which allowed them to screen for large numbers of proteins simultaneously. (2009-04-22)

Preventing bacteria from falling in with the wrong crowd could help stop gum disease
Stripping some mouth bacteria of their access key to gangs of other pathogenic oral bacteria could help prevent gum disease and tooth loss. The study, published in the journal Microbiology suggests that this bacterial access key could be a drug target for people who are at high risk of developing gum disease. (2012-02-07)

Quantum dots make the leap from TVs to antibacterial eye drops
Quantum dots are transforming electronic displays on TVs and tablets. But now, one group reports in ACS Nano that these tiny structures may someday provide relief for eye infections resulting from contact lens wear, trauma or some types of surgeries. (2017-07-05)

Aerosolized nanoparticles show promise for delivering antibiotic treatment
Aerosol delivery of antibiotics via nanoparticles may provide a means to improve drug delivery and increase patient compliance, thus reducing the severity of individual illnesses, the spread of epidemics, and possibly even retarding antibiotic resistance. (2009-05-19)

Ciprofloxacin has dramatic effects on the mitochondrial genome
A study carried out at the University of Eastern Finland and published in Nucleic Acids Research investigated the effect of ciprofloxacin on mitochondria, the important cell organelles in our body that produce the energy for cellular function. Ciprofloxacin stopped normal maintenance and transcription of mitochondrial DNA by changing mtDNA topology, causing impaired mitochondrial energy production and blocking cellular growth and differentiation. (2018-10-01)

American Society for Microbiology honors Marvin Whiteley
A 2008 American Society for Microbiology Merck Irving S. Sigal Memorial Award is being presented to Marvin Whiteley, Assistant Professor, Molecular Genetics and Microbiology, University of Texas at Austin. Sponsored by Merck Research Laboratories, the Merck Irving S. Sigal Memorial Award is presented in memory of Irving S. Sigal, who was instrumental in the early discovery of therapies to treat HIV/AIDS, to recognize excellence in basic research in medical microbiology and infectious diseases. (2008-07-16)

Antibiotic resistance could increase rates of UK gonorrhoea infection
Authors of a research letter in this week's issue of The Lancet are calling for UK gonorrhoea treatment guidelines to be revised in light of new evidence showing a steep increase in antibiotic resistance. (2003-05-29)

Environmental changes can elicit fast changes in pathogens
Changes in environmental conditions may affect epidemics not only by altering the number of free-living pathogens but also by directly increasing pathogen virulence with immediate changes in the physiological status of infecting bacteria. (2016-01-13)

Some antibiotics work by stressing bacteria out (metabolically)
Learning how antibiotics actually work can help scientists and doctors use them more wisely -- an urgent need at a time of mounting resistance. A new study found that three different antibiotics killed somewhat subtly by disrupting bacterial metabolism and causing a buildup of oxidative stress. (2015-10-22)

New type of antiobiotic tackles hard-to-treat pediatric infections
Pediatricians have another weapon in their arsenal to fight infections that have shown resistance to common antibiotics. Study results showed that linezolid, a new type of antibiotic, is well-tolerated and as effective as the most common antibiotic, vancomycin, in treating infants and children with known or suspected gram-positive infections. (2002-10-26)

TP53 gene variant in people of African descent linked to iron overload, may improve malaria response
In a study by Wistar and collaborators, a rare, African-specific variant of the TP53 gene called P47S causes iron accumulation in macrophages and other cell types and is associated with poorer response to bacterial infections, along with markers of iron overload in African Americans. Macrophage iron accumulation disrupts their function, resulting in more severe bacterial infections. (2020-01-24)

Corn one step closer to bacterial leaf streak resistance
Bacterial leaf streak, a foliar disease in corn, has only been in the United States for a handful of years, but Tiffany Jamann says it's a major problem in the Western Corn Belt. (2019-09-11)

Birmingham researchers devise test to predict sepsis in burns patients
Researchers have created a potentially life-saving new test that will allow clinicians to predict which burn victims will develop sepsis during their treatment. (2016-06-29)

New compound defeats drug-resistant bacteria
Chemists at Brown University have synthesized a new compound that makes drug-resistant bacteria susceptible again to antibiotics. The compound -- BU-005 -- blocks pumps that a bacterium employs to expel an antibacterial agent called chloramphenicol. The team used a new and highly efficient method for the synthesis of BU-005 and other C-capped dipetptides. Results appear in Bioorganic and Medicinal Chemistry. (2011-11-28)

UAB biomarker outperforms current gold standard to detect brain shunt infections
In a study of children with brain shunts, a University of Alabama at Birmingham investigational biomarker outperformed the current 'gold standard' test for detecting bacterial infections in the shunts. The biomarker has already shown the ability to distinguish viral meningitis from bacterial meningitis. Both applications are valuable because patients with viral meningitis usually get better in several weeks, while bacterial meningitis can kill within hours, and bacterial shunt infections are also potentially life-threatening. (2016-08-30)

Biology of infection: A bacterial ballistic system
Many pathogenic bacteria use special secretion systems to deliver toxic proteins into host cells. Researchers of Ludwig-Maximilians-Universitaet in Munich have determined the structure of a crucial part of one of these systems -- which are possible targets for novel antibiotics. (2014-06-20)

Press statement on new CDC MRSA study from SHEA president
A new study from the Centers for Disease Control and Prevention shows a decrease in catheter-associated bloodstream infections caused by both methicillin-resistant and methicillin-sensitive S. aureus. (2009-02-17)

Scientists move closer to developing therapeutic window to the brain
Researchers at the University of California, Riverside are bringing their idea for a 'Window to the Brain' transparent skull implant closer to reality through the findings of two studies that are forthcoming in the journals Lasers in Surgery and Medicine and Nanomedicine: Nanotechnology, Biology and Medicine. (2016-07-12)

Research team discovers a pathogen's motility triggers immune response
Until now, a pathogen's ability to move through the body has been overlooked as a possible trigger of immune response, but new research from the University of Georgia College of Veterinary Medicine found that motility will indeed alarm the host and activate an immune response. (2016-12-01)

Antimicrobial catheters could save NHS millions
A new catheter coating that reduces bacterial attachment to its surface is being developed by scientists who are reporting their work at the Society for General Microbiology's Spring Conference in Dublin this week. The antimicrobial coating could eventually be applied to other medical implants to reduce infection which would provide significant socioeconomic benefits to the NHS. (2012-03-26)

Protein disrupts infectious biofilms
Researchers discover a protein that inhibits biofilms of a bacterium responsible for many cystic fibrosis infections. (2016-12-08)

It takes 2 to infect
Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium employs its own strategy. In collaboration with a British research group, structural biologists from the Helmholtz Centre for Infection Research in Braunschweig, Germany, and the University of Bielefeld, Germany, have now elucidated one mechanism of Listeria bacteria. (2009-11-30)

Recurrent viral respiratory tract infections during first 6 months and risk of T1 diabetes
In a study appearing in the May 3, 2016 issue of JAMA, Anette-Gabriele Ziegler, M.D., of Helmholtz Zentrum Munchen, Munich, Germany, and colleagues examined associations between infection types during the first 2 years of life and between respiratory tract infections in the first 6 months and type l diabetes (T1D). Viral infections, particularly enteroviruses, have been hypothesized to cause T1D. Recent studies suggest that respiratory tract infections are associated with increased T1D risk if they are encountered within the first 6 months. (2016-05-03)

Antimalarial drug may point way to new class of antibiotics
Chemical cousins of an often-used antimalarial drug may help treat serious antibiotic-resistant infections, new research shows. If further testing shows these compounds to be safe and effective, the chemicals would represent a new class of antibiotics for the treatment of such problems as tuberculosis, and staphylococcal, streptococcal, and yeast infections. (2000-07-06)

UNC-Chapel Hill researchers reveal type of vaginal bacteria that protects women from HIV
Researchers at the University of North Carolina at Chapel Hill have identified a type of vaginal bacteria within the mucus of the female reproductive system that can protect women from HIV as well as other sexually transmitted infections. (2015-10-08)

Mannan oligosaccharides offer health benefits to pigs
Feeding mannan oligosaccharides can fine-tune the immune system of pigs, suggests a new University of Illinois study. (2011-07-28)

Meet the expert sessions at the 24th Annual EAU Congress
At the forthcoming 24th Annual EAU Congress in Stockholm, which will start on Tuesday, March 17, the EAU will be organizing three (2009-03-12)

New treatments for common vaginal infection being studied
Whether a two-week regimen using a stainless steel douching device can eradicate the most common vaginal infection is under study at the Medical College of Georgia. (2005-05-09)

Infection cited as a direct link to artery thickening
A person's risk of dying from heart disease may be predicted by the number of infectious agents present in the blood, according to a report in today's Circulation: Journal of the American Heart Association. (2002-01-07)

Study finds vast diversity among viruses that infect bacteria
Viruses that infect bacteria are among the most abundant life forms on Earth. Indeed, our oceans, soils and potentially even our bodies would be overrun with bacteria were it not for bacteria-eating viruses, called bacteriophages, that keep the microbial balance of ecological niches in check. Now, a new study suggests that bacteriophages made of RNA likely play a much larger role in shaping the bacterial makeup of worldwide habitats than previously recognized. (2016-03-24)

AHA Issues Scientific Statement On Infective Endocarditis
The American Heart Association issues a new scientific statement that updates the procedures for diagnosing and treating infective endocarditis, a life-threatening heart infection that can be caused by common microbes such as streptococcus or (1998-12-21)

Protective shield: How pathogens withstand acidic environments in the body
Certain bacteria, including the dangerous nosocomial pathogen MRSA, can protect themselves from acidic conditions in our body and thus ensure their survival. Researchers at the Biozentrum of the University of Basel have now elucidated an important mechanism in this process. A transport protein involved in cell wall biosynthesis plays a key role, they report in the journal 'Nature Structural & Molecular Biology.' (2020-05-05)

Single protein is key in response to bacterial, viral infections
A single protein acts as a key switch point in frontline immune system reactions to both bacterial and viral infections, according to a report published online today in the journal Nature. In determining how this protein functions, a team of scientists supported by the National Institute of Allergy and Infectious Diseases (NIAID) can now explain why certain symptoms, such as fever, occur regardless of the cause of infection. (2003-07-20)

UNC study: Common vaginal infection may increase risk of HIV infection
A common vaginal infection may make women more susceptible to contracting HIV, the virus that causes AIDS, University of North Carolina at Chapel Hill School of Public Health researchers have found. (2008-07-31)

Increased risk of developing asthma by age of 3 after cesarean
A new study supports previous findings that children delivered by cesarean section have an increased risk of developing asthma. (2012-01-10)

Common antibiotic may be the answer to many multidrug-resistant bacterial infections
Researchers at University of California, San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences report that the common antibiotic azithromycin kills many multidrug-resistant bacteria very effectively -- when tested under conditions that closely resemble the human body and its natural antimicrobial factors. The researchers believe the finding, published June 10 by EBioMedicine, could prompt an immediate review of the current standard of care for patients with certain so-called 'superbug' infections. (2015-06-10)

Light-activated nanoparticles prove effective against antibiotic-resistant 'superbugs'
In the ever-escalating evolutionary battle with drug-resistant bacteria, humans may soon have a leg up thanks to adaptive, light-activated nanotherapy developed by researchers at the University of Colorado Boulder. (2016-01-18)

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