| { |
| "schema_version": "1.0", |
| "level": "species", |
| "genus": "Candida", |
| "species": "tropicalis", |
|
|
| "overview": { |
| "short": "Candida tropicalis is a yeast capable of forming pseudohyphae and true hyphae.", |
| "clinical_context": "Frequently associated with invasive candidiasis, particularly in immunocompromised patients." |
| }, |
|
|
| "expected_fields": { |
| "Gram Stain": "Positive", |
| "Shape": "Yeast", |
| "Motility": "Negative", |
| "Capsule": "Negative", |
| "Spore Formation": "Negative", |
| "Haemolysis": "Variable", |
| "Haemolysis Type": "Unknown", |
| "Media Grown On": [ |
| "Sabouraud Dextrose Agar", |
| "Chromogenic Candida Agar", |
| "Blood Agar" |
| ], |
| "Colony Morphology": [ |
| "Cream", |
| "Smooth", |
| "Moist" |
| ], |
| "Oxygen Requirement": "Facultative Anaerobe", |
| "Growth Temperature": "25//42", |
| "Catalase": "Positive", |
| "Oxidase": "Negative", |
| "Indole": "Negative", |
| "Urease": "Negative", |
| "Citrate": "Negative", |
| "Methyl Red": "Negative", |
| "VP": "Negative", |
| "H2S": "Negative", |
| "DNase": "Negative", |
| "ONPG": "Negative", |
| "Coagulase": "Negative", |
| "Gelatin Hydrolysis": "Negative", |
| "Esculin Hydrolysis": "Negative", |
| "Nitrate Reduction": "Negative", |
| "NaCl Tolerant (>=6%)": "Variable", |
| "Lipase Test": "Variable", |
| "Lysine Decarboxylase": "Negative", |
| "Ornithine Decarboxylase": "Negative", |
| "Ornitihine Decarboxylase": "Negative", |
| "Arginine dihydrolase": "Negative", |
| "Glucose Fermentation": "Positive", |
| "Lactose Fermentation": "Negative", |
| "Sucrose Fermentation": "Positive", |
| "Maltose Fermentation": "Positive", |
| "Mannitol Fermentation": "Positive", |
| "Sorbitol Fermentation": "Negative", |
| "Xylose Fermentation": "Negative", |
| "Rhamnose Fermentation": "Negative", |
| "Arabinose Fermentation": "Negative", |
| "Raffinose Fermentation": "Negative", |
| "Trehalose Fermentation": "Positive", |
| "Inositol Fermentation": "Negative", |
| "Gas Production": "Negative", |
| "TSI Pattern": "Unknown", |
| "Colony Pattern": "Unknown", |
| "Pigment": "None", |
| "Motility Type": "None" |
| }, |
|
|
| "species_markers": [ |
| { |
| "field": "Germ Tube Test", |
| "value": "Negative", |
| "importance": "high", |
| "notes": "Differentiates from Candida albicans." |
| }, |
| { |
| "field": "Chromogenic Agar", |
| "value": "Metallic blue to purple colonies", |
| "importance": "high", |
| "notes": "Characteristic colony colour on chromogenic media." |
| } |
| ], |
|
|
| "common_confusions": [ |
| { |
| "species": "Candida albicans", |
| "reason": "Both can form hyphae, but differ in germ tube reaction." |
| } |
| ], |
|
|
| "when_to_question_identification": [ |
| "Germ tube positivity suggests Candida albicans.", |
| "Limited sugar fermentation suggests Candida glabrata." |
| ], |
|
|
| "recommended_next_tests": [ |
| { |
| "test": "Chromogenic Candida Agar", |
| "reason": "Rapid presumptive differentiation." |
| }, |
| { |
| "test": "MALDI-TOF MS", |
| "reason": "Definitive species-level identification." |
| } |
| ] |
| } |
