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Update data/rag/knowledge_base/Enterobacter/asburiae.json

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data/rag/knowledge_base/Enterobacter/asburiae.json CHANGED
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  {
 
 
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  "genus": "Enterobacter",
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  "species": "asburiae",
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- "full_name": "Enterobacter asburiae",
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- "clinical_significance": "A member of the Enterobacter cloacae complex. Causes opportunistic infections including UTIs, wound infections, pneumonia, and bacteremia. Less frequently associated with hospital outbreaks compared to E. hormaechei.",
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- "phenotype_profile": {
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- "morphology": "Motile Gram-negative rod.",
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- "culture": "Lactose fermenting on MacConkey; colonies similar to E. cloacae.",
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- "biochemical": [
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- "Indole variable (some strains weakly positive)",
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- "Citrate positive",
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- "ONPG positive",
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- "Lysine decarboxylase positive",
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- "Ornithine decarboxylase positive",
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- "Gas from glucose variable",
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- "Urease negative or weak",
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- "Motile"
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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 variable—unlike E. cloacae which is typically indole negative.",
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- "Less associated with AmpC hyperproduction compared to E. cloacae or E. hormaechei.",
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- "MALDI-TOF MS or WGS required for definitive differentiation from ECC species."
 
 
 
 
 
 
 
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  ],
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- "from other genera": [
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- "Motile LF organism excludes Klebsiella.",
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- "Lysine positive excludes Citrobacter.",
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- "DNase negative excludes Serratia."
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- ]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  },
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- "virulence_factors": [
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- "Biofilm formation",
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- "Inducible AmpC β-lactamase (less active than in E. hormaechei)",
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- "Efflux pump systems"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  ],
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- "confirmation_methods": [
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- "MALDI-TOF MS",
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- "Genomic sequencing within ECC framework",
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- "Biochemical indole variability"
 
 
 
 
 
 
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  ],
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- "treatment_notes": [
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- "Management similar to other ECC species.",
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- "Cefepime, piperacillin–tazobactam, or carbapenems depending on susceptibility.",
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- "Avoid 3rd-gen cephalosporins due to AmpC inducibility."
 
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  ],
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- "notes": "Often misidentified as E. cloacae without molecular tools.",
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- "references": [
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- "ECC diagnostic and genomic studies",
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- "Clinical reports involving Enterobacter asburiae"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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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": "Enterobacter",
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  "species": "asburiae",
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+
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+ "overview": {
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+ "short": "Enterobacter asburiae is a Gram-negative, facultatively anaerobic rod within the Enterobacter cloacae complex, less commonly isolated than E. cloacae or E. hormaechei.",
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+ "clinical_context": "Typically associated with opportunistic infections, including urinary tract, wound, and bloodstream infections, primarily in immunocompromised or hospitalised patients."
 
 
 
 
 
 
 
 
 
 
 
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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": "Negative",
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+ "Citrate": "Positive",
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+ "Methyl Red": "Negative",
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+ "VP": "Positive",
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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": "Positive",
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+ "Esculin Hydrolysis": "Positive",
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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": "Negative",
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+ "Ornitihine Decarboxylase": "Negative",
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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": "Positive",
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+ "Maltose Fermentation": "Positive",
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+ "Mannitol Fermentation": "Positive",
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+ "Sorbitol Fermentation": "Variable",
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+ "Xylose Fermentation": "Positive",
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+ "Rhamnose Fermentation": "Negative",
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+ "Arabinose Fermentation": "Positive",
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+ "Raffinose Fermentation": "Negative",
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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": "Lysine Decarboxylase",
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+ "value": "Negative",
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+ "importance": "high",
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+ "notes": "Helps distinguish E. asburiae from lysine-positive Enterobacter species."
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+ },
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+ {
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+ "field": "Ornithine Decarboxylase",
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+ "value": "Negative",
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+ "importance": "high",
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+ "notes": "Key discriminator separating E. asburiae from E. hormaechei."
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+ },
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+ {
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+ "field": "Rhamnose Fermentation",
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+ "value": "Negative",
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+ "importance": "high",
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+ "notes": "Differentiates E. asburiae from rhamnose-positive E. hormaechei."
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+ },
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+ {
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+ "field": "Gelatin Hydrolysis",
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+ "value": "Positive",
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+ "importance": "medium",
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+ "notes": "More consistently positive in E. asburiae than in some other complex members."
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+ }
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  ],
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+
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+ "common_confusions": [
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+ {
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+ "species": "Enterobacter cloacae",
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+ "reason": "Shared general biochemical profile and overlapping sugar fermentation patterns."
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+ },
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+ {
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+ "species": "Enterobacter hormaechei",
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+ "reason": "Overlapping colony morphology and growth characteristics within the E. cloacae complex."
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+ }
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  ],
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+
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+ "when_to_question_identification": [
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+ "Ornithine decarboxylase positivity argues against E. asburiae.",
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+ "Rhamnose positivity suggests E. hormaechei rather than E. asburiae.",
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+ "Lysine decarboxylase positivity is inconsistent with E. asburiae."
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  ],
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+
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+ "recommended_next_tests": [
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+ {
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+ "test": "Ornithine decarboxylase",
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+ "reason": "Primary discriminator from E. hormaechei."
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+ },
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+ {
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+ "test": "Lysine decarboxylase",
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+ "reason": "Helpful in separating E. asburiae from other Enterobacter species."
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+ },
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+ {
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+ "test": "Rhamnose fermentation",
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+ "reason": "Supports differentiation within the E. cloacae complex."
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+ },
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+ {
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+ "test": "MALDI-TOF MS",
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+ "reason": "Preferred routine method for accurate species-level identification."
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+ },
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+ {
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+ "test": "Whole genome sequencing",
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+ "reason": "Definitive resolution when species-level precision is clinically critical."
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+ }
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  ]
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+ }