Question:
The recommended selective culture media to detect Campylobacter jejuni is _______
The recommended selective culture media to detect Campylobacter jejuni is _______
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mCCDA is a blood-free medium; charcoal replaces blood as a protective agent to scavenge toxic oxygen radicals, supporting the growth of microaerophilic Campylobacter.
Updated On: Jul 10, 2026
- Modified Charcoal Cefoperazone Deoxycholate Agar
- Modified Charcoal Tetracycline Deoxycholate Agar
- Modified Hektoen Enteric (HE) Agar
- Xylose Lysin Desoxycholate Agar
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Campylobacter jejuni is a fastidious, microaerophilic pathogen that requires specialized, highly selective growth media to prevent overgrowth by competing flora during isolation.
Step 2: Detailed Explanation:
Modified Charcoal Cefoperazone Deoxycholate Agar (mCCDA) is the internationally standardized selective medium recommended by ISO and FDA-BAM for isolating Campylobacter species from foods.
Charcoal and sodium deoxycholate act as selective agents against Gram-positive organisms, while cefoperazone is an antibiotic that inhibits competing Gram-negative enteric bacteria.
Hektoen Enteric (HE) Agar and Xylose Lysine Deoxycholate (XLD) Agar are used primarily for the isolation of Salmonella and Shigella.
Step 3: Final Answer:
The recommended selective culture medium is Modified Charcoal Cefoperazone Deoxycholate Agar.
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