A research team from the Institute of Medical Microbiology at the University of Zurich and the National Center for Mycobacteria has carried out a large-scale study with more than 6800 patient samples to examine molecular-based methods for the detection of mycobacterial pathogens. Because many mycobacteria only grow at a slow pace, routine detection using bacteria cultures in highly specialized and expensive high-safety labs takes several weeks to complete. The subsequent susceptibility test to determine the appropriate medicine also takes 1 to 2 weeks.
"For patients and doctors, this long waiting period is an unnecessary test of their patience", says Peter Keller, M.D., from the Institute of Medical Microbiology at the UZH. "By comparison, with molecular detection methods, most patients know after 1 or 2 days whether they have an infection with tuberculosis pathogens or with nontuberculous mycobacteria."
Mycobacteria cause various illnesses. Mycobacterium tuberculosis, the main representative of this genus, is the causative agent of tuberculosis, which killed around 1.5 million people worldwide in 2014.
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| Mycobacterium tuberculosis in patient samples. |
Source: genengnews
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