Bacteria that normally live in and upon us have genetic blueprints that enable them to make thousands of molecules that act like drugs, and some of these molecules might serve as the basis for new human therapeutics, according to UC San Francisco researchers who report their new discoveries in the September 11, 2014 issue of Cell.
With the research, the scientists purified and solved the structure of one of the molecules they identified, an antibiotic they named lactocillin, which is made by a common bacterial species, Lactobacillus gasseri, found in the microbial community within the vagina. The antibiotic is closely related to others already being tested clinically by pharmaceutical companies. Lactocillin kills several vaginal bacterial pathogens, but spares species known to harmlessly dwell in the vagina.
This example suggests that there may be an important role for many naturally occurring drugs – made by our own microbes—in maintaining human health.
With the research, the scientists purified and solved the structure of one of the molecules they identified, an antibiotic they named lactocillin, which is made by a common bacterial species, Lactobacillus gasseri, found in the microbial community within the vagina. The antibiotic is closely related to others already being tested clinically by pharmaceutical companies. Lactocillin kills several vaginal bacterial pathogens, but spares species known to harmlessly dwell in the vagina.
This example suggests that there may be an important role for many naturally occurring drugs – made by our own microbes—in maintaining human health.
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