| { |
| "schema_version": "1.0", |
| "level": "species", |
| "genus": "Cedecea", |
| "species": "lapagei", |
|
|
| "overview": { |
| "short": "Cedecea lapagei is a rare, Gram-negative, facultatively anaerobic rod within the Enterobacterales.", |
| "clinical_context": "Reported in opportunistic infections including wound infections and bacteremia, predominantly in compromised hosts." |
| }, |
|
|
| "expected_fields": { |
| "Gram Stain": "Negative", |
| "Shape": "Rods", |
| "Motility": "Positive", |
| "Capsule": "Variable", |
| "Spore Formation": "Negative", |
| "Haemolysis": "Negative", |
| "Haemolysis Type": "None", |
| "Media Grown On": [ |
| "MacConkey Agar", |
| "Blood Agar" |
| ], |
| "Colony Morphology": [ |
| "Smooth", |
| "Grey", |
| "Moist" |
| ], |
| "Oxygen Requirement": "Facultative Anaerobe", |
| "Growth Temperature": "30//37", |
| "Catalase": "Positive", |
| "Oxidase": "Negative", |
| "Indole": "Negative", |
| "Urease": "Negative", |
| "Citrate": "Positive", |
| "Methyl Red": "Negative", |
| "VP": "Positive", |
| "H2S": "Negative", |
| "DNase": "Negative", |
| "ONPG": "Positive", |
| "Coagulase": "Negative", |
| "Gelatin Hydrolysis": "Variable", |
| "Esculin Hydrolysis": "Negative", |
| "Nitrate Reduction": "Positive", |
| "NaCl Tolerant (>=6%)": "Negative", |
| "Lipase Test": "Negative", |
| "Lysine Decarboxylase": "Negative", |
| "Ornithine Decarboxylase": "Negative", |
| "Ornitihine Decarboxylase": "Negative", |
| "Arginine dihydrolase": "Negative", |
| "Glucose Fermentation": "Positive", |
| "Lactose Fermentation": "Negative", |
| "Sucrose Fermentation": "Variable", |
| "Maltose Fermentation": "Positive", |
| "Mannitol Fermentation": "Positive", |
| "Sorbitol Fermentation": "Variable", |
| "Xylose Fermentation": "Positive", |
| "Rhamnose Fermentation": "Negative", |
| "Arabinose Fermentation": "Positive", |
| "Raffinose Fermentation": "Negative", |
| "Trehalose Fermentation": "Positive", |
| "Inositol Fermentation": "Negative", |
| "Gas Production": "Variable", |
| "TSI Pattern": "A/A", |
| "Colony Pattern": "Unknown", |
| "Pigment": "None", |
| "Motility Type": "Peritrichous" |
| }, |
|
|
| "species_markers": [ |
| { |
| "field": "Ornithine Decarboxylase", |
| "value": "Negative", |
| "importance": "high", |
| "notes": "Primary feature distinguishing C. lapagei from C. davisae." |
| } |
| ], |
|
|
| "common_confusions": [ |
| { |
| "species": "Cedecea davisae", |
| "reason": "Overlapping biochemical profiles except for ornithine decarboxylase." |
| }, |
| { |
| "genus": "Enterobacter", |
| "reason": "Similar fermentation and citrate-positive profile." |
| } |
| ], |
|
|
| "when_to_question_identification": [ |
| "Ornithine decarboxylase is positive.", |
| "Indole is positive.", |
| "Strong lactose fermentation observed." |
| ], |
|
|
| "recommended_next_tests": [ |
| { |
| "test": "Ornithine decarboxylase", |
| "reason": "Key species-level discriminator.", |
| "api_kit": "API 20E" |
| }, |
| { |
| "test": "MALDI-TOF MS", |
| "reason": "Recommended for definitive identification of rare species." |
| } |
| ] |
| } |
