Salmonella Typhimurium on XLD agar

Salmonella typhimurium on XLD agar

Salmonella Typhimurium on XLD agar. Photo By: Carlos Rafael Manzano Palafox from Guadalajara Jalisco, México. – Xylose-Lysine Deoxycholate Agar (XLD Agar) is a selective medium recommended for the isolation and enumeration of Salmonella Typhi and other Salmonella species. – Red colonies, some with black centers. – The agar itself will turn red due to the presence of Salmonella type colonies.

Biochemical Test of Salmonella Typhi

Biochemical Test of Salmonella Typhi

Biochemical Test of Salmonella Typhi Characteristics Salmonella Typhi Capsule Negative (-ve) Catalase Positive (+ve) Citrate Negative (-ve) Flagella Positive (+ve) Gas Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Negative (-ve) Growth in KCN Negative (-ve) H2S Positive (+ve) Indole Negative (-ve) Motility Positive (+ve) MR (Methyl Red) Positive (+ve) MUG Test Negative (-ve) Nitrate Reduction Positive (+ve) Oxidase Negative (-ve) …

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