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aureus in Biological News

Press statement on new CDC MRSA study from SHEA president

... and methicillin-sensitive S. aureus . The 10-year national study, 'Methicillin-Resistant Staphylococcus aureus Central Line-Associated Bloodstream Infections ... of infections due to all types of Staphylococcus aureus , including MRSA, have been falling sharply since ...

Blue light destroys antibiotic-resistant staph infection

... strains of methicillin-resistant Staphylococcus aureus , commonly known as MRSA, were virtually ... penicillin, while approximately 40%-50% of Staph aureus isolated have developed resistance to newer ... Light Kills Methicillin-Resistant Staphylococcus aureus (MRSA) in Vitro," the authors exposed bacterial ...

NYU scientists discover dangerous new method for bacterial toxin transfer

... shuttled between unrelated bacteria. Some Staph aureus strains, in particular, have become major public ... and Richard Novick, M.D., suggests that Staph aureus also can take advantage of bacteriophages, ... microbes might gain some of the more notorious S. aureus toxins. Since bacteriophages are extremely ...

Phase III data show efficacy/safety of iclaprim in patients with complicated skin infections

... including methicillin-resistant Staphylococcus aureus (MRSA). In addition, iclaprim was well-tolerated ... between treatment groups with Staphylococcus aureus ( S. aureus ) as the predominant pathogen isolated at ...

Disinfectants can make bacteria resistant to treatment

... the potentially lethal bacterium Staphylococcus aureus remove toxic chemicals from the cell even more ... to treatment. "Bacteria like Staphylococcus aureus make proteins that pump many different toxic ... of efflux pumps." The researchers exposed S. aureus taken from the blood of patients to low ...

Researchers analyze how new anti-MRSA abtibiotics function

... MRSA. Methicillin-resistant Staphylococcus aureus (MRSA) is a major global health threat that kills ... Kingdom. This difficult strain of Staphylococcus aureus became a global scourge within a span of a mere few years. Whereas previously Staphylococcus aureus was exquisitely sensitive to β-Lactam ...

Tips from the Journals of the American Society for Microbiology

... Antimicrobial Agents and Chemotherapy. S. aureus is a highly flexible and potentially dangerous ... forty to sixty percent of reported nosocomial S. aureus infections in the United States and the United ... resistant with methicillin-resistant S. aureus carrying a significantly higher mortality rate. ...

UT Public Health researchers find link to severe Staph infections

... the severity of community-acquired antibiotic-resistant Staph ylococcus aureus (CA MRSA) infections and the Panton Valentine leukocidin (PVL). The ... and is typically produced by community-acquired methicillin-resistant S. aureus (CA MRSA). In the United States this strain is the most common CA MRSA ...

New step forward in search for solution to infection puzzle

... the way a protein found on the surface of the bacteria Staphylococcus aureus binds to a human protein called fibronectin. Their discovery is an ... and Chemistry at York, who led the research said: "Interactions of S. aureus with fibronectin were first reported more than 30 years ago, and yet we ...

American Society for Microbiology honors Eric Skaar

... to characterize a previously unrecognized system used by Staphylococcus aureus to transport iron across the cell wall. During this time, he also ... acquisition in vivo. His use of ICP-MS led to the discovery that S. aureus preferentially acquires iron from heme during infection. Dr. Skaar ...

New antibiotic beats superbugs at their own game

... some of the deadliest strains of multidrug-resistant Staphylococcus aureus (MRSA) bacteria, which are responsible for the great majority of ... cause human deaths." In an ominous new "move" in this chess game, S. aureus strains with resistance to vancomycin (VRSA), a different class of ...

Turning on cell-cell communication wipes out staph biofilms

... have succeeded in wiping out established biofilms of Staphylococcus aureus (staph) by hijacking one of the bacteria's own regulatory systems. ... resistant staph strains, including methicillin-resistant Staphylococcus aureus (MRSA). Although the team has not tested their dispersal methods on ...

Developing kryptonite for Superbug

... bounds to develop more effective defenses against Staphylococcus aureus bacteria and other deadly pathogens. One of the goals of that effort ... accuracy. The device already has successfully detected the staphylococcus aureus 16S rRNA gene, 16S rRNA, and enterotoxin B, as well as a biomark for lung ...

Tips from the journals of the American Society for Microbiology

... lethal bacterial infections. Results showed that treatments with L5 were highly effective in preventing death when inoculated with Staphylococcus aureus Smith, Enterococcus faecalis SR1004, and Escherichia coli EC14. More specifically, normal injections of L5 prior to infection greatly reduced ...

American Society for Microbiology honors George Liu

... at an intermediate dose, and downregulation of inflammation at a low dose. The golden color imparted by carotenoid pigments of Staphylococcus aureus became the next focus of Dr. Liu's work. He demonstrated a role of this hallmark phenotype in virulence. Dr. Liu received his Ph.D. from the ...

New technology shows promise against resistant staph infections

... staph infections in mice. The study is published this month in the online version of the Journal of Investigative Dermatology . Staphylococcus aureus bacteria cause the majority of superficial and invasive skin infections, resulting in more than 11 million outpatient/emergency room visits and ...

Environmental cleaning intervention reduces transmission of multidrug-resistant organisms in ICUs

... San Diego, CA (March 20, 2009) A rigorous environmental cleaning intervention can reduce the transmission of methicillin-resistant Staphylococcus aureus (MRSA) and other multidrug-resistant organisms in hospital intensive care units (ICUs), according to a new study released today at the annual ...

Seattle Times reporters win ASM public communications award

... awarded to Seattle Times reporters Michael Berens and Ken Armstrong for their three-part investigation into methicillin-resistant Staphylococcus aureus (MRSA) in Washington State hospitals. The series, entitled "Culture of Resistance," highlights microbiology's role in containing the spread of ...

Study finds MRSA in Midwestern swine, workers

... The first study documenting methicillin-resistant Staphylococcus aureus (MRSA) in swine and swine workers in the United States has been published by University of Iowa researchers. The investigators found a strain of ...

International copper industry defines role in the fight against hospital infections

... brass and bronze are more than 99.9 percent effective in killing specific disease-causing bacteria, including Methicillin-resistant Staphylococcus aureus (MRSA), one of the most virulent strains of antibiotic-resistant bacteria and a common cause of hospital- and community-acquired infections. The ...

A novel target for therapeutics against Staph infection

... have uncovered how a bacterial pathogen interacts with the blood coagulation protein fibrinogen to cause methicillin-resistant Staphylococcus aureus (MRSA) infections, a finding that could aid in developing therapeutics against the potentially deadly disease. Their work appears November 28 in ...

First results from hospital trials testing

... to the patients: bed rails, call buttons and chairs were found to have the highest levels of staphylococcus, methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE). These pathogens can survive for extended periods of time on such objects, which act as ...

NIAID scientists to speak on range of infectious disease topics at major scientific meeting

... (Warren Strober, M.D.) Antibiotic-resistant bacterial infections caused by Staphylococcus epidermidis (Michael Otto, Ph.D.) and Staphylococcus aureus (Frank DeLeo, Ph.D.) Finding ways to treat primary immunodeficiencies, inherited conditions in which immune function is impaired (Steve Holland, ....

New Systems Biology Awards enable detailed study of microbes

... pestis Institute for Systems Biology, Seattle, WA Principal Investigator: Alan Aderem, Ph.D. Focus: Influenza virus, Staphylococcus aureus Stanford University, Stanford, CA Principal Investigator: Gary K. Schoolnik, M.D. Focus: Mycobacterium tuberculosis University ...

American Chemical Society's Weekly PressPac -- Sept. 3, 2008

... close that gap, researchers tested five major marijuana ingredients termed cannabinoids on different strains of methicillin-resistant Staphylococcus aureus (MRSA), a "superbug" increasingly resistant to antibiotics. All five substances showed potent germ-killing activity against these drug-resistant ...

Milk may help bacteria survive against low levels of antibiotics

... right, and the animals are cured quicker, we will have less antibiotic residue in the environment and the risk of bacteria such as Staphylococcus aureus developing and spreading antibiotic resistance is lower." ...

American Chemical Society's Weekly PressPac -- July 16, 2008

... samples with acyclic N-Halamine, a potent germ-fighting substance. They then exposed coated and uncoated fabric samples to E. coli , Staphylococcus aureus , Candida tropicalis (a fungus), MS2 virus, and Bacillus subtilis spores (to mimic anthrax). After a short time, large amounts of microorganisms ...

BWF awards $7 million to infectious disease investigators

... receptor Nod9 links mitochondrial dynamics and innate immunity to bacterial pathogens Chuan He, Ph.D. University of Chicago How Staphylococcus aureus senses host immune defenses Kent L. Hill, Ph.D. University of California-Los Angeles Cell-cell communication and social motility in ...

UV lotion lights the way to cleaner facilities

... superbugs in hospitals. Hospital patients are thought to catch bugs like vancomycin resistant Enterococci (VRE), methicillin resistant Staphylococcus aureus (MRSA) and C. difficile because they are not eradicated from the hospital environment. These bugs may be transferred between patients through ...

NIH awards $6.5 million grant to UT Southwestern to develop new antibiotic

... needed to combat the increasing microbial resistance to antibiotics. Extensively drug-resistant tuberculosis and methicillin-resistant Staphylococcus aureus (MRSA) are two recent examples of diseases that have become increasingly difficult to treat. This grant award represents a terrific opportunity ...

Biosensing nanodevice to revolutionize health screenings

... lines at airport security checkpoints and revolutionize health screenings for diseases like anthrax, cancer and antibiotic resistant Staphylococcus aureus (MRSA). Even more incredible than the device itself, is that it is based on the worlds tiniest rotary motor: a biological engine measured on the ...

Biophysical Society announces 2008 International Travel Awards

... Hector J. Ocampo, Universidad de los Andes, Bogota, Colombia, Entering the Solid-order Phase by Lowering Temperature Makes Staphylococcus aureus Membranes Resistant to PLA2-IIA. Ferenc Papp, University of Debrecen, Hungary, CRAC Channels in Developing Human Dendritic Cells. Nina ...

Best treatment identified to reduce deadly Staph infections

... LAS VEGAS One type of over-the-counter product for topical wound care is more effective than others in killing methicillin-resistant Staphylococcus aureus bacteria, or MRSA, which is potentially deadly and in recent years has moved from its historic hospital setting to a much broader public concern. ...

Small RNA plays parallel roles in bacterial metabolism

... in the same stress response, Vanderpool said. One other small RNA, a 500-nucleotide molecule that regulates virulence genes in Staphylococcus aureus bacteria, was previously found to encode a protein, Vanderpool said, but the activity of that protein did not participate in the regulation. The ...

Scripps research team blocks bacterial communication system to prevent deadly staph infections

... week estimated that more than 94,000 Americans were infected in 1995 by a drug-resistant staph superbug called methicillin-resistant Staphylococcus aureus (MRSA), and more than 18,000 Americans died that year during hospital stays involving this type of infection. The bacterial infection process is ...

American Society for Microbiology honors Lucas R. Hoffman

... published in the Proceedings of the National Academy of Sciences in 2006 demonstrated the novel interaction between P. aeruginosa and Staphylococcus aureus in the presence of antibiotics. His ongoing research on P. aeruginosa is supported by an NIH Mentored Clinical Scientist Development Award. Dr. ...

Staphylococcus aureus hides out in cells

... of human and animal infections, Staphylococcus aureus bacteria may evade the immune system’s defences ... open access journal BMC Genomics shows how S. aureus makes itself at home in human lung cells for up ... Research, Norwich, UK set out to uncover what S. aureus (6850) did inside human lung epithelial cells ...

Bacterial walls come tumbling down

... deadly infections initiated by Staphylococcus aureus and other bacterial pathogens. The research ... known as methicillin-resistant Staphylococcus aureus is resistant to several common antibiotics, ... pictures of the sugar-building enzyme from S. aureus will accelerate the search for an effective ...

MRSA toxin acquitted: Study clears suspected key to severe bacterial illness

... methicillin-resistant Staphylococcus aureus (CA-MRSA) had better keep looking: Scientists at ... (PVL) is one of many toxins associated with S. aureus infection. Because it can be found in virtually ... known as neutrophils. "The Staphylococcus aureus bacterium is a growing global public health ...
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