All Articles Tagged As: antimicrobial
Bacteria responsible for middle ear infections, pink eye and sinusitis protect themselves from further immune attack by transporting molecules meant to destroy them away from their inner membrane target, according to a study from Nationwide Children's Hospital. The study, published in the November issue of PLoS Pathogens, is the first to describe a transporter system that bacteria use to ensure their survival.
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Clinical trial results presented at the 2011 Annual Meeting of the Infectious Diseases Society of America demonstrated that using antimicrobial copper surfaces in intensive care unit rooms reduced the amount of bacteria in the rooms by 97 percent, resulting in a 41 percent reduction in the hospital acquired infection rate. As part of the study, common objects such as bed rails, overbed tray tables, nurse call buttons and IV poles, were replaced with antimicrobial copper versions.
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Frog and toad skins already are renowned as cornucopias of hundreds of germ-fighting substances. Now a new report in ACS's Journal of Proteome Research reveals that the toad brains also may contain an abundance of antibacterial and antiviral substances that could inspire a new generation of medicines.
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Antimicrobial insect brains, mouth bacteria behaving badly and the hundreds of microbial communities that lurk in household dust are just some of the highlights at the Society for General Microbiology’s autumn meeting in Nottingham next week.
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For two decades, scientists have been pursuing a potential new way to treat bacterial infections, using naturally occurring proteins known as antimicrobial peptides (AMPs). Now, MIT scientists have recorded the first microscopic images showing the deadly effects of AMPs, most of which kill by poking holes in bacterial cell membranes.
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