Löwenstein–Jensen medium
Growth medium used to culture Mycobacterium species / From Wikipedia, the free encyclopedia
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Löwenstein–Jensen medium, more commonly known as LJ medium, is a growth medium[1] specially used for culture of Mycobacterium species, notably Mycobacterium tuberculosis.
Quick Facts Acronym, Uses ...
Acronym | LJ medium |
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Uses | Culturing |
Related items | Petri dish Growth medium |
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When grown on LJ medium, M. tuberculosis appears as brown, granular colonies (sometimes called "buff, rough and tough"). The medium must be incubated for a significant length of time, usually four weeks, due to the slow doubling time of M. tuberculosis (15–20 hours) compared with other bacteria.
The medium is named after the Austrian pathologist Ernst Löwenstein (1878–1950) and the Danish medical doctor Kai Adolf Jensen (16.7.1894-2.5.1971).[2]