Living Antibiotic Bacteria Against Major Human Pathogens

by Tanya Thomas on  July 1, 2011 at 8:39 PM Research News
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Scientists have found that a predatory bacterium significantly reduces the number of salmonella bacteria in the guts of live chickens, suggesting that the bacterium has potential to be used as a "living antibiotic."
 Living Antibiotic Bacteria Against Major Human Pathogens
Living Antibiotic Bacteria Against Major Human Pathogens

Researchers at the University of Nottingham found that Bdellovibrio reduced the numbers of Salmonella by 90 percent and the birds remained healthy, grew well, and were generally in good condition.

Salmonella likes to grow in the guts of poultry and other animals and can cause food poisoning in humans.

Dr Laura Hobley said "Bdellovibrio has the potential to be used as a living antibiotic against some major human and animal pathogens, such as E. coli and other so-called Gram-negative bacteria."

She continued "We think that Bdellovibrio could be particularly useful as a topical treatment for wounds or foot rots but we wanted to know what might happen if it is ingested - either deliberately as a treatment, or by accident."

Previous studies have shown that Bdellovibrio is very effective at invading and killing other bacterial cells in a test tube.

And now it looks likely to provide an alternative to antibiotic medicines at a time when bacterial resistance is a significant problem to human and animal health.

The study was published in the journal Applied and Environmental Microbiology.

Source: ANI

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