Update data/rag/knowledge_base/Clostridioides/genus.json

data/rag/knowledge_base/Clostridioides/genus.json

@@ -1,76 +1,126 @@
 {
+  "schema_version": "1.0",
+  "level": "genus",
   "genus": "Clostridioides",
-  "taxonomy": {
-    "family": "Peptostreptococcaceae",
-    "order": "Clostridiales",
-    "class": "Clostridia",
-    "phylum": "Firmicutes"
+
+  "overview": {
+    "short": "Clostridioides species are Gram-positive, anaerobic, spore-forming rods primarily associated with gastrointestinal environments.",
+    "clinical_context": "Most clinically significant for Clostridioides difficile, a major cause of antibiotic-associated colitis."
   },
-  "overview": "Clostridioides is a genus of strict anaerobic, spore-forming, Gram-positive rods best known for Clostridioides difficile, the cause of antibiotic-associated colitis. Species inhabit the gastrointestinal tracts of humans and animals, soil, and environmental reservoirs. They exhibit variable pathogenicity, with C. difficile being the principal human pathogen due to its toxin-mediated disease.",
-  "key_traits": [
-    "Gram-positive rods (may appear Gram-variable)",
-    "Spore-forming (subterminal to terminal spores)",
-    "Strict anaerobes",
-    "Catalase negative",
-    "Motility variable by species",
-    "Produce short-chain fatty acids in culture",
-    "Distinct foul odor on anaerobic media",
-    "Toxin production in pathogenic species (TcdA, TcdB)",
-    "Do not grow in 6.5% NaCl",
-    "Indole negative"
-  ],
-  "ecology": "Found in soil, environmental water, animal feces, and the human gastrointestinal tract. C. difficile persists in hospitals through hardy spores.",
-  "pathogenicity": "C. difficile is the major pathogen, causing pseudomembranous colitis, severe diarrhea, toxic megacolon, and sepsis via toxin A (TcdA) and toxin B (TcdB). Other species, such as C. mangenotii, are typically non-pathogenic but may occasionally be isolated in polymicrobial infections.",
-  "genus_level_biochemistry": {
-    "general_tendencies": [
-      "Strictly anaerobic growth requirements.",
-      "Spore formation critical for identification.",
-      "Characteristic horse-stable odor.",
-      "Toxin detection central for pathogenic species.",
-      "Proteolytic metabolism often observed."
+
+  "expected_fields": {
+    "Gram Stain": "Positive",
+    "Shape": "Rods",
+    "Motility": "Variable",
+    "Capsule": "Negative",
+    "Spore Formation": "Positive",
+    "Haemolysis": "Variable",
+    "Haemolysis Type": "Variable",
+    "Media Grown On": [
+      "Blood Agar",
+      "CCFA Agar"
     ],
-    "non_definitive_tests": [
-      "Gram stain may appear Gram-variable after 24 hours due to autolysis.",
-      "Colony morphology overlaps with some Clostridium species."
-    ]
-  },
-  "genus_differentiation": {
-    "from_close_genera": [
-      "Clostridium species remain a broad group; Clostridioides differs by genetic divergence and toxin profile.",
-      "Peptoclostridium species are typically non-spore-forming or produce different fatty acid spectra.",
-      "Paeniclostridium sordellii is lecithinase positive and causes toxic shock; Clostridioides typically does not.",
-      "Bacteroides are Gram-negative anaerobes, not spore-forming."
+    "Colony Morphology": [
+      "Irregular",
+      "Flat",
+      "Grey"
     ],
-    "key_rag_filters": [
-      "Anaerobic spore-former + fecal source → Clostridioides or Clostridium.",
-      "Toxin A/B positivity → strongly supports C. difficile.",
-      "Environmental spore-former, toxin-negative → consider C. mangenotii."
-    ]
+    "Oxygen Requirement": "Anaerobic",
+    "Growth Temperature": "25//42",
+    "Catalase": "Negative",
+    "Oxidase": "Negative",
+    "Indole": "Variable",
+    "Urease": "Negative",
+    "Citrate": "Negative",
+    "Methyl Red": "Positive",
+    "VP": "Negative",
+    "H2S": "Negative",
+    "DNase": "Negative",
+    "ONPG": "Negative",
+    "Coagulase": "Negative",
+    "Gelatin Hydrolysis": "Variable",
+    "Esculin Hydrolysis": "Variable",
+    "Nitrate Reduction": "Negative",
+    "NaCl Tolerant (>=6%)": "Negative",
+    "Lipase Test": "Negative",
+    "Lysine Decarboxylase": "Negative",
+    "Ornithine Decarboxylase": "Negative",
+    "Ornitihine Decarboxylase": "Negative",
+    "Arginine dihydrolase": "Negative",
+    "Glucose Fermentation": "Positive",
+    "Lactose Fermentation": "Variable",
+    "Sucrose Fermentation": "Variable",
+    "Maltose Fermentation": "Variable",
+    "Mannitol Fermentation": "Negative",
+    "Sorbitol Fermentation": "Negative",
+    "Xylose Fermentation": "Variable",
+    "Rhamnose Fermentation": "Negative",
+    "Arabinose Fermentation": "Variable",
+    "Raffinose Fermentation": "Negative",
+    "Trehalose Fermentation": "Variable",
+    "Inositol Fermentation": "Negative",
+    "Gas Production": "Variable",
+    "TSI Pattern": "Unknown",
+    "Colony Pattern": "Unknown",
+    "Pigment": "None",
+    "Motility Type": "Variable"
   },
-  "diagnostics": {
-    "typical_lab_findings": [
-      "Yellow-white, ground-glass colonies on CCFA or cycloserine-cefoxitin-fructose agar",
-      "Characteristic odor",
-      "Gram-positive rods with subterminal spores",
-      "Fluorescent green/yellow under UV for C. difficile"
-    ],
-    "important_tests": [
-      "GDH antigen screening",
-      "PCR for tcdA/tcdB genes",
-      "Toxin EIA",
-      "Anaerobic culture on selective media",
-      "MALDI-TOF MS"
-    ],
-    "confirmation_methods": [
-      "PCR for toxin genes (for C. difficile)",
-      "MALDI-TOF MS",
-      "Whole-genome sequencing for strain typing (e.g., ribotyping)"
-    ]
+
+  "field_notes": {
+    "Spore Formation": "A defining characteristic distinguishing Clostridioides from many other anaerobes.",
+    "Oxygen Requirement": "Strict anaerobiosis is essential for growth.",
+    "Catalase": "Generally negative despite aerotolerance of spores."
   },
-  "notes": "Clostridioides is a restricted genus split from the former Clostridium due to genomic reclassification.",
-  "references": [
-    "Manual of Clinical Microbiology",
-    "C. difficile diagnosis guidelines (IDSA/SHEA)",
-    "Anaerobe taxonomy literature"
+
+  "key_differentiators": [
+    {
+      "field": "Spore Formation",
+      "expected": "Positive",
+      "distinguishes_from": ["Bacteroides", "Fusobacterium"],
+      "notes": "Spore production separates Clostridioides from non-spore-forming anaerobes."
+    },
+    {
+      "field": "Oxygen Requirement",
+      "expected": "Anaerobic",
+      "distinguishes_from": ["Bacillus"],
+      "notes": "Strict anaerobiosis differentiates from aerobic or facultative spore-formers."
+    }
+  ],
+
+  "common_confusions": [
+    {
+      "genus": "Clostridium",
+      "reason": "Historical classification overlap and shared spore-forming anaerobic morphology."
+    },
+    {
+      "genus": "Peptoclostridium",
+      "reason": "Similar anaerobic metabolism and overlapping biochemical reactions."
+    }
+  ],
+
+  "when_to_question_identification": [
+    "Aerobic growth suggests Bacillus or Paenibacillus.",
+    "Non-spore-forming isolate suggests Bacteroides or other anaerobes.",
+    "Strong indole positivity may indicate another clostridial genus."
+  ],
+
+  "recommended_next_tests": [
+    {
+      "test": "Anaerobic culture confirmation",
+      "reason": "Ensures strict anaerobic growth requirement."
+    },
+    {
+      "test": "Toxin detection assay",
+      "reason": "Critical for identifying toxigenic Clostridioides difficile."
+    },
+    {
+      "test": "MALDI-TOF MS",
+      "reason": "Reliable genus- and species-level identification."
+    }
+  ],
+
+  "supported_species": [
+    "difficile",
+    "mangenotii"
   ]
-}
+}