Lysine Iron Agar Test

Result Interpretation of Lysine Iron Agar Test

Objective of Lysine Iron Agar Test To differentiate gram-negative bacilli based on decarboxylation or deamination of lysine and the formation of hydrogen sulfide (H2S). Principle of Lysine Iron Agar Test Lysine iron agar (LIA) contains lysine, peptones, a small amount of glucose, ferric ammonium citrate, and sodium thiosulfate. The medium has an aerobic slant and an anaerobic butt. Lysine deamination is an aerobic process which occurs …

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