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Update data/rag/knowledge_base/Cupriavidus/gilardii.json

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data/rag/knowledge_base/Cupriavidus/gilardii.json CHANGED
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  {
 
 
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  "genus": "Cupriavidus",
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  "species": "gilardii",
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- "full_name": "Cupriavidus gilardii",
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- "clinical_significance": "An emerging opportunistic pathogen increasingly recovered from clinical specimens including blood, respiratory secretions, wounds, and catheter-associated infections. Notable for multidrug resistance and misidentification as Ralstonia or Burkholderia in older systems.",
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- "phenotype_profile": {
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- "morphology": "Slender, motile Gram-negative rods.",
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- "culture": "Smooth, non-pigmented colonies on routine media; NLF on MacConkey.",
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- "biochemical": [
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- "Oxidase weak or negative (important discriminator)",
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- "Catalase positive",
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- "Non-fermentative oxidative metabolism",
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- "Nitrate reduction positive",
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- "Urease negative",
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- "Motile",
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- "No pigment production"
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- ]
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  },
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- "differentiation": {
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- "from close species": [
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- "More commonly isolated from human clinical specimens than C. metallidurans or C. pauculus.",
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- "Oxidase weaker than typical Burkholderia.",
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- "MALDI-TOF MS required for reliable identification due to phenotypic overlap.",
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- "Often exhibits multidrug resistance patterns not seen in C. pauculus."
 
 
 
 
 
 
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  ],
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- "from other genera": [
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- "Distinguishable from Ralstonia by oxidase variability and MALDI-TOF profile.",
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- "No DNase activity distinguishes from Delftia acidovorans."
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- ]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  },
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- "virulence_factors": [
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- "Ability to colonize catheters and biofilm formation",
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- "Intrinsic antibiotic resistance mechanisms",
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- "Environmental persistence"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  ],
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- "confirmation_methods": [
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- "MALDI-TOF MS",
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- "16S rRNA or rpoB sequencing",
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- "Antibiotic susceptibility patterns"
 
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  ],
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- "treatment_notes": "Resistance to β-lactams, aminoglycosides, and some fluoroquinolones possible. TMP-SMX, piperacillin-tazobactam, and carbapenems may be active depending on susceptibility results.",
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- "notes": "Often misidentified before MALDI-TOF adoption; caution recommended in clinical interpretation.",
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- "references": [
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- "Cupriavidus gilardii case reports",
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- "Burkholderiales non-fermenter clinical literature"
 
 
 
 
 
 
 
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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": "Cupriavidus",
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  "species": "gilardii",
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+
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+ "overview": {
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+ "short": "Cupriavidus gilardii is a Gram-negative, aerobic, non-fermentative rod increasingly recognised as an opportunistic human pathogen.",
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+ "clinical_context": "Associated with bloodstream, respiratory, and device-related infections, particularly in immunocompromised 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": "Negative",
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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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+ "Blood Agar",
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+ "Chocolate 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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+ "Non-pigmented"
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+ ],
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+ "Oxygen Requirement": "Aerobe",
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+ "Growth Temperature": "20//37",
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+ "Catalase": "Positive",
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+ "Oxidase": "Positive",
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+ "Indole": "Negative",
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+ "Urease": "Variable",
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+ "Citrate": "Negative",
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+ "Methyl Red": "Negative",
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+ "VP": "Negative",
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+ "H2S": "Negative",
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+ "DNase": "Negative",
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+ "ONPG": "Negative",
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+ "Coagulase": "Negative",
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+ "Gelatin Hydrolysis": "Variable",
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+ "Esculin Hydrolysis": "Negative",
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+ "Nitrate Reduction": "Negative",
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+ "NaCl Tolerant (>=6%)": "Negative",
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+ "Lipase Test": "Variable",
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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": "Positive",
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+ "Glucose Fermentation": "Negative",
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+ "Lactose Fermentation": "Negative",
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+ "Sucrose Fermentation": "Negative",
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+ "Maltose Fermentation": "Negative",
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+ "Mannitol Fermentation": "Negative",
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+ "Sorbitol Fermentation": "Negative",
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+ "Xylose Fermentation": "Negative",
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+ "Rhamnose Fermentation": "Negative",
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+ "Arabinose Fermentation": "Negative",
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+ "Raffinose Fermentation": "Negative",
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+ "Trehalose Fermentation": "Negative",
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+ "Inositol Fermentation": "Negative",
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+ "Gas Production": "Negative",
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+ "TSI Pattern": "K/K",
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+ "Colony Pattern": "Unknown",
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+ "Pigment": "None",
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+ "Motility Type": "Polar"
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  },
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+
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+ "species_markers": [
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+ {
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+ "field": "Citrate",
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+ "value": "Negative",
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+ "importance": "medium",
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+ "notes": "Helps separate C. gilardii from other citrate-positive Cupriavidus species."
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+ },
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+ {
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+ "field": "Nitrate Reduction",
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+ "value": "Negative",
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+ "importance": "medium",
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+ "notes": "Differentiates from denitrifying environmental relatives."
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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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+ "genus": "Burkholderia",
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+ "reason": "Shared oxidase positivity and non-fermentative metabolism."
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+ },
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+ {
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+ "genus": "Ralstonia",
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+ "reason": "Phylogenetic similarity and overlapping biochemical profile."
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+ }
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  ],
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+
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+ "when_to_question_identification": [
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+ "Oxidase negativity argues against C. gilardii.",
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+ "Any glucose fermentation suggests misidentification.",
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+ "Anaerobic growth is inconsistent."
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  ],
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+
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+ "recommended_next_tests": [
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+ {
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+ "test": "Arginine dihydrolase",
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+ "reason": "Supports placement among Cupriavidus species.",
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+ "api_kit": "API 20 NE"
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+ },
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+ {
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+ "test": "MALDI-TOF MS",
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+ "reason": "Reliable discrimination from Burkholderia and Ralstonia.",
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+ "api_kit": "Not applicable"
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+ }
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  ]
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+ }