New research findings: polypeptides can be used to treat drug-resistant bacteria
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Last Update: 2017-01-06
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Source: Internet
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Author: User
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Medical and health workers may soon develop a drug to treat refractory abscess bacteria that send tens of thousands of people to emergency rooms Researchers from the University of British Columbia used a peptide, or mini protein, to prevent drug-resistant bacteria from developing abscesses or purulent lesions By interfering with the stress response of bacteria, such multiple births block their secretion Abscesses are bacterial - mediated tissue lesions that cause about 3.2 million people to enter the emergency room each year This is because these bacteria are resistant to antibiotics and can only be treated by reducing infection and purulent discharge "Abscesses can occur almost anywhere in the body, and antibiotics usually don't work," said Bob Hancock, a professor of Microbiology at Columbia University And we have a new idea to use polypeptides to treat it, because its mechanism is completely different from that of antibiotics Hancock and his colleagues found that bacteria in abscesses grow under stress They used a synthetic peptide called djk-5 to interfere with this bacterial stress response, thus achieving the effect of treating mouse abscesses Bacteria can be divided into Gram-positive and Gram-negative bacteria according to their cell wall structure They are also resistant to a variety of antibiotics because of their cell wall The peptide has good effect on both Gram-positive and Gram-negative bacteria.
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