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Lysine Iron Agar (LIA) – Composition, Principle, Preparation, Results, Uses

Lysine Iron Agar (LIA) - Composition, Principle, Preparation, Results, Uses

Lysine iron Agar (LIA), a differential medium, is used to test organisms’ ability to deaminate or decarboxylate Lysine. Lysine deamination, an aerobic process, occurs in the media. Lysine decarboxylation, an anaerobic process occurring in the media’s butt, is also known as Lysine decarboxylation. Edwards and Fife created LIA in 1961 in order to presumptively determine Salmonella species. This includes Salmonella arizonae that is lactose fermenting, which has been linked to foodborne gastroenteritis outbreaks.

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