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Update data/rag/knowledge_base/Citrobacter/braakii.json

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data/rag/knowledge_base/Citrobacter/braakii.json CHANGED
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  {
 
 
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  "genus": "Citrobacter",
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  "species": "braakii",
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- "full_name": "Citrobacter braakii",
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- "clinical_significance": "A member of the Citrobacter freundii complex. Causes opportunistic infections similar to C. freundii including UTIs, wound infections, and bacteremia. Often isolated from hospital settings and may carry AmpC β-lactamases.",
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- "phenotype_profile": {
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- "morphology": "Gram-negative motile rods.",
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- "culture": "Non-lactose fermenting or weakly lactose fermenting colonies on MacConkey.",
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- "biochemical": [
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- "Indole negative",
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- "Citrate positive",
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- "ONPG positive",
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- "H2S positive (typical of C. freundii complex)",
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- "Lysine decarboxylase negative",
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- "Motile",
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- "Oxidase negative",
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- "Urease negative or weak"
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- ]
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  },
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- "differentiation": {
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- "from close species": [
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- "Indole negative distinguishes from C. koserii (indole positive).",
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- "H2S positive → aligns with C. freundii complex.",
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- "Requires MALDI-TOF MS for confident differentiation from C. freundii."
 
 
 
 
 
 
 
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  ],
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- "from other genera": [
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- "Citrate + ONPG + H2S combination strongly suggests Citrobacter.",
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- "Motility and lysine-negative profile separates from Enterobacter."
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- ]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  },
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- "virulence_factors": [
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- "AmpC β-lactamase production",
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- "Adhesins for urinary and biliary tract surfaces",
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- "Biofilm formation"
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- ],
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- "confirmation_methods": [
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- "MALDI-TOF MS",
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- "H2S positivity",
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- "Biochemical panels",
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- "Sequencing when needed"
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  ],
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- "treatment_notes": "Often shows multidrug resistance due to AmpC. Use carbapenems, cefepime, or fluoroquinolones based on susceptibility.",
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- "notes": "Part of the C. freundii complex; clinically behaves similarly to freundii.",
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- "references": [
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- "Citrobacter taxonomy literature",
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- "Hospital-associated Citrobacter infection reports"
 
 
 
 
 
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  ]
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- }
 
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  {
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+ "schema_version": "1.0",
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+ "level": "species",
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  "genus": "Citrobacter",
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  "species": "braakii",
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+
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+ "overview": {
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+ "short": "Citrobacter braakii is a Gram-negative, facultatively anaerobic rod recovered from environmental and clinical sources.",
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+ "clinical_context": "Occasionally implicated in opportunistic infections, but less frequently than other Citrobacter species."
 
 
 
 
 
 
 
 
 
 
 
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  },
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+
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+ "expected_fields": {
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+ "Gram Stain": "Negative",
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+ "Shape": "Rods",
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+ "Motility": "Positive",
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+ "Capsule": "Variable",
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+ "Spore Formation": "Negative",
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+ "Haemolysis": "Negative",
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+ "Haemolysis Type": "None",
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+ "Media Grown On": [
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+ "MacConkey Agar",
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+ "Blood Agar"
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  ],
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+ "Colony Morphology": [
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+ "Smooth",
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+ "Grey",
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+ "Moist"
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+ ],
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+ "Oxygen Requirement": "Facultative Anaerobe",
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+ "Growth Temperature": "10//45",
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+ "Catalase": "Positive",
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+ "Oxidase": "Negative",
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+ "Indole": "Negative",
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+ "Urease": "Variable",
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+ "Citrate": "Positive",
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+ "Methyl Red": "Positive",
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+ "VP": "Negative",
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+ "H2S": "Negative",
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+ "DNase": "Negative",
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+ "ONPG": "Positive",
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+ "Coagulase": "Negative",
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+ "Gelatin Hydrolysis": "Variable",
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+ "Esculin Hydrolysis": "Variable",
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+ "Nitrate Reduction": "Positive",
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+ "NaCl Tolerant (>=6%)": "Negative",
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+ "Lipase Test": "Negative",
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+ "Lysine Decarboxylase": "Negative",
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+ "Ornithine Decarboxylase": "Variable",
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+ "Ornitihine Decarboxylase": "Variable",
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+ "Arginine dihydrolase": "Negative",
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+ "Glucose Fermentation": "Positive",
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+ "Lactose Fermentation": "Variable",
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+ "Sucrose Fermentation": "Variable",
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+ "Maltose Fermentation": "Positive",
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+ "Mannitol Fermentation": "Variable",
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+ "Sorbitol Fermentation": "Variable",
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+ "Xylose Fermentation": "Positive",
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+ "Rhamnose Fermentation": "Positive",
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+ "Arabinose Fermentation": "Positive",
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+ "Raffinose Fermentation": "Variable",
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+ "Trehalose Fermentation": "Positive",
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+ "Inositol Fermentation": "Negative",
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+ "Gas Production": "Variable",
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+ "TSI Pattern": "A/A",
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+ "Colony Pattern": "Unknown",
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+ "Pigment": "None",
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+ "Motility Type": "Peritrichous"
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  },
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+
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+ "species_markers": [
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+ {
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+ "field": "Rhamnose Fermentation",
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+ "value": "Positive",
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+ "importance": "medium",
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+ "notes": "Helps differentiate C. braakii from other Citrobacter species."
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+ }
 
 
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  ],
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+
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+ "recommended_next_tests": [
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+ {
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+ "test": "Carbohydrate fermentation profile",
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+ "reason": "Supports separation from closely related Citrobacter species."
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+ },
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+ {
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+ "test": "MALDI-TOF MS",
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+ "reason": "Confirms species-level identification."
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+ }
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  ]
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+ }