Primary isolation of Mycobacterium ulcerans is the separation and growth of the bacterium from a mixed population either in clinical specimen or environmental specimen in pure cultures. It is a crucial activity as it can be used to monitor antimicrobial treatment, surveillance for antimicrobial resistance, and molecular epidemiology studies toward understanding pathogen ecology and transmission as well as pathogen biology. The process involves removal of unwanted fast-growing bacteria using 5% oxalic acid, inoculation on Lowenstein-Jensen medium supplemented with glycerol, and incubation at temperatures between 30 °C and 33 °C.
Keywords: Clinical and environmental specimen; Decontamination; Mycobacterium ulcerans.
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