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Tag: "aureus" at biology news

Staphylococcus aureus hides out in cells

...use of human and animal infections, Staphylococcus aureus bacteria may evade the immune system’s defences an...line open access journal BMC Genomics shows how S. aureus makes itself at home in human lung cells for up to two weeks. A team of 12 researchers from Univers...

Bacterial walls come tumbling down

...reat deadly infections initiated by Staphylococcus aureus and other bacterial pathogens. The research team,...eria known as methicillin-resistant Staphylococcus aureus is resistant to several common antibiotics, including penicillin and amoxicillin, and is a great cau...

Drug-resistant bacterial infections serious complication after corrective eye surgery

...n particular, Methicillin-resistant Staphylococcus aureus (MRSA), which has been found in many healthcare settings, can be a serious post-operative complication. In a study published in the April issue of the American Journal of Ophthalmology, researchers found MRSA infections in the eyes of 12 patients aft...

New antibacterials being developed to tackle MRSA superbug

...ci, including MRSA. The bacterium Staphylococcus aureus can infect wounds, including those resulting from medical procedures conducted in hospitals. It may then spread further into the body and cause serious infections such as blood poisoning. Methicillin-resistant Staphylococcus aureus, or MRSA, is a for...

Penn study on lung-infecting bacterial enzyme suggests new approach to cystic fibrosis treatment

...CFTR-containing oocytes to SMase of Staphylococcus aureus and Bacillus anthracis bacteria shuts off the electrical current passing through not only the normal, but also the CF-causing mutant CFTR. The next step for the research team is to develop specific inhibitors against the bacterial SMase and test...

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

...ty-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) had better keep looking: Scientists at t...din (PVL) is one of many toxins associated with S. aureus infection. Because it can be found in virtually all CA-MRSA strains that cause soft-tissue infection...

Study shows antibiotic-resistant bacteria responsible for increase in muscle infections

...nity-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA), according to a study published in the O...ia. For years, infections caused by Staphylococcus aureus have been treated by inexpensive antibiotics in the penicillin and cephalosporin family. Some years...

Transmission of antibiotic-resistant bacteria linked to previous intensive care unit room occupants

...in hospitals: methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE), according to background information in the article. Researchers previously found that 29 percent of patients who acquire these pathogens develop infections or other complications within 18 months. ...

Lab-on-a-chip could speed up treatment of drug-resistant pneumonia

...drug-resistant pneumonia, including Staphylococcus aureus (staph), Pseudomonas aeruginosa, Klebsiella pneumoniae, and Escherichia coli (E. coli). "If we can characterize the nine panel organisms, we'll cover 80 to 90 percent of hospital-acquired pneumonia cases," Lochhead said. The company also hopes to ...

Resistant bacteria increasing source of muscle infection

...cteria called methicillin-resistant Staphylococcus aureus (MRSA) is increasingly a cause of muscle infection...ause was a form of bacteria ?either Staphylococcus aureus or Streptococcus pyogenes. The infections occurred between 2000 and 2005. Fifteen of the 26 S. aureu...

MRSA vaccine shows promise in mouse study

...otentially lethal infections with five virulent S. aureus strains, the researchers report in the Nov. 7, 200...re resistant to most of the drugs used to treat S. aureus infections. "This microbe's ability to acquire the tools it needs to protect itself from the drugs...

EGF receptor activation prevents microbes from going more than skin deep

...against the potential skin pathogen Staphylococcus aureus was increased by activation of EGFR, and that the concentrations of AMPs in the epidermis of wounded skin exceeded those necessary to suppress or prevent the growth of foreign microbes. The results of this study demonstrate that wounding of the skin ...

Study indicates dramatic rise in antibiotic-resistant community-acquired staph infections

...nity-acquired methicillin-resistant Staphylococcus aureus (MRSA), making it the primary cause of skin and so..."remarkable epidemic." The bacterium Staphyloccus aureus (staph) normally resides on skin and in noses, and typically infects tissues through cuts or rashes....

Drug-resistant bacteria patterns in intensive care units changing nationally

...able online. Methicillin-resistant Staphylococcus aureus (MRSA) is responsible for a variety of infections ...to 2003. They found that in 1992, 36 percent of S. aureus isolates were drug-resistant; but in 2003, 64 percent of isolates were MRSA, an increase of about 3 ...

Genes involved in biofilms

...ormation process of the biofilm of Staphylococcus aureus , one of the bacteria most frequently involved in ...of the process of formation of the Staphylococcus aureus biofilm. Regulating mechanisms unknown to date The starting point for the research was the Bap ...

Seaweed yields new compounds with pharmaceutical potential

...tivity towards antibiotic-resistant Staphylococcus aureus at concentrations worth pursuing, though researchers don't know yet whether the concentrations of the compounds required to kill the bacterium would be harmful to humans. The compound that was isolated in the greatest abundance -- named bromophycoli...

Emerging staph strains found to be increasingly deadly and deceptive

... to strains of antibiotic-resistant Staphylococcus aureus bacteria--emerging strains that sicken otherwise h... evading human immune defenses than more common S. aureus strains that originate in hospitals and other health-care settings. In a paper released today onlin...

MRSA study demonstrates need for frequent hand washing and environmental disinfection in health care settings

...icrobiology. Methicillin-resistant Staphylococcus aureus (MRSA) is a major cause of hospital-acquired infections in the United States. Staphylococcal infections can cause conditions ranging from mild skin infections to serious surgical wound infections, pneumonia or blood infections. "The potential of MRS...

Bacteria can survive for weeks on hospital surfaces

...icrobiology. Methicillin-resistant Staphylococcus aureus (MRSA) is a major cause of hospital-acquired infections in the United States. Staphylococcal infections can cause conditions ranging from mild skin infections to serious surgical wound infections, pneumonia or blood infections. "The potential of MRS...

Colorful bacteria more dangerous

...lored strains of a bacterium called Staphylococcus aureus tend to be cause more disease than colorless strai...es now show that these pigmented molecules help S. aureus defuse damaging molecules that are produced by neutrophils in order to kill the bacteria. When the r...

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