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In The News, Spring 2018: Study Sheds Light on How Bacteria Communicate

bacteria pneumonia sepsis infections communicate distress signals antibiotic Journal Biological Chemistry Pseudomonas aeruginosa tobramycin prescription biofilm colonies

Researchers have discovered that a bacteria that causes pneumonia, sepsis, and other infections communicates distress signals in the presence of certain antibiotics. According to a new study published in the Journal of Biological Chemistry, this behavior may help promote the development of antibiotic resistance in the pathogen. When Pseudomonas aeruginosa was exposed to tobramycin, a prescription antibiotic commonly used in clinical settings, it produced two distinct responses. One, a signaling response called the Pseudomonas quinolone signal (PQS), was communicated to a localized area of the...

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