EphAsad commited on
Commit
68ce815
·
verified ·
1 Parent(s): 044dd69

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

Browse files
data/rag/knowledge_base/Enterobacter/cloacae.json CHANGED
@@ -1,53 +1,122 @@
1
  {
 
 
2
  "genus": "Enterobacter",
3
  "species": "cloacae",
4
- "full_name": "Enterobacter cloacae",
5
- "clinical_significance": "A major member of the Enterobacter cloacae complex (ECC) and one of the most common nosocomial pathogens. Causes UTIs, pneumonia (especially ventilator-associated), bacteremia, intra-abdominal infections, and device-related infections. AmpC hyperproduction and ESBL or carbapenemase acquisition are common.",
6
- "phenotype_profile": {
7
- "morphology": "Gram-negative motile rods.",
8
- "culture": "Lactose fermenting or late lactose fermenting colonies on MacConkey.",
9
- "biochemical": [
10
- "Indole negative (typical)",
11
- "Citrate positive",
12
- "ONPG positive",
13
- "Lysine decarboxylase positive",
14
- "Ornithine decarboxylase positive",
15
- "Gas from glucose variable",
16
- "Urease negative or weak",
17
- "Motile"
18
- ]
19
  },
20
- "differentiation": {
21
- "from close species": [
22
- "Indole negative differentiates it from some E. asburiae strains.",
23
- "Often hyperproduces AmpC β-lactamase, leading to resistance during therapy.",
24
- "Difficult to distinguish biochemically from E. hormaechei; MALDI-TOF or WGS required."
 
 
 
 
 
 
 
25
  ],
26
- "from other genera": [
27
- "Motile vs Klebsiella (non-motile).",
28
- "Lysine positive vs Citrobacter (lysine negative).",
29
- "DNase negative vs Serratia (DNase positive)."
30
- ]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
31
  },
32
- "virulence_factors": [
33
- "Inducible AmpC β-lactamase",
34
- "Biofilm formation",
35
- "Permeability mutations increasing carbapenem resistance",
36
- "LPS-mediated inflammation"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
37
  ],
38
- "confirmation_methods": [
39
- "MALDI-TOF MS",
40
- "Whole-genome sequencing for ECC resolution",
41
- "AmpC detection assays"
 
 
 
 
 
 
42
  ],
43
- "treatment_notes": [
44
- "Avoid 3rd-generation cephalosporins due to risk of AmpC induction.",
45
- "Prefer carbapenems, cefepime, or piperacillin–tazobactam depending on MICs.",
46
- "CRE strains require advanced agents (e.g., ceftazidime–avibactam)."
 
47
  ],
48
- "notes": "Part of a complex of >6 genospecies; misidentification common without molecular methods.",
49
- "references": [
50
- "ECC resistance mechanism literature",
51
- "Hospital outbreak investigations involving Enterobacter"
 
 
 
 
 
 
 
 
 
 
52
  ]
53
- }
 
1
  {
2
+ "schema_version": "1.0",
3
+ "level": "species",
4
  "genus": "Enterobacter",
5
  "species": "cloacae",
6
+
7
+ "overview": {
8
+ "short": "Enterobacter cloacae is a Gram-negative, facultatively anaerobic rod commonly associated with opportunistic and nosocomial infections.",
9
+ "clinical_context": "Frequently isolated from urinary tract, respiratory, and bloodstream infections, particularly in hospital settings."
 
 
 
 
 
 
 
 
 
 
 
10
  },
11
+
12
+ "expected_fields": {
13
+ "Gram Stain": "Negative",
14
+ "Shape": "Rods",
15
+ "Motility": "Positive",
16
+ "Capsule": "Variable",
17
+ "Spore Formation": "Negative",
18
+ "Haemolysis": "Negative",
19
+ "Haemolysis Type": "None",
20
+ "Media Grown On": [
21
+ "MacConkey Agar",
22
+ "Blood Agar"
23
  ],
24
+ "Colony Morphology": [
25
+ "Smooth",
26
+ "Grey",
27
+ "Moist"
28
+ ],
29
+ "Oxygen Requirement": "Facultative Anaerobe",
30
+ "Growth Temperature": "10//45",
31
+ "Catalase": "Positive",
32
+ "Oxidase": "Negative",
33
+ "Indole": "Negative",
34
+ "Urease": "Negative",
35
+ "Citrate": "Positive",
36
+ "Methyl Red": "Negative",
37
+ "VP": "Positive",
38
+ "H2S": "Negative",
39
+ "DNase": "Negative",
40
+ "ONPG": "Positive",
41
+ "Coagulase": "Negative",
42
+ "Gelatin Hydrolysis": "Positive",
43
+ "Esculin Hydrolysis": "Positive",
44
+ "Nitrate Reduction": "Positive",
45
+ "NaCl Tolerant (>=6%)": "Negative",
46
+ "Lipase Test": "Negative",
47
+ "Lysine Decarboxylase": "Positive",
48
+ "Ornithine Decarboxylase": "Negative",
49
+ "Ornitihine Decarboxylase": "Negative",
50
+ "Arginine dihydrolase": "Negative",
51
+ "Glucose Fermentation": "Positive",
52
+ "Lactose Fermentation": "Variable",
53
+ "Sucrose Fermentation": "Positive",
54
+ "Maltose Fermentation": "Positive",
55
+ "Mannitol Fermentation": "Positive",
56
+ "Sorbitol Fermentation": "Variable",
57
+ "Xylose Fermentation": "Positive",
58
+ "Rhamnose Fermentation": "Negative",
59
+ "Arabinose Fermentation": "Positive",
60
+ "Raffinose Fermentation": "Negative",
61
+ "Trehalose Fermentation": "Positive",
62
+ "Inositol Fermentation": "Negative",
63
+ "Gas Production": "Variable",
64
+ "TSI Pattern": "A/A",
65
+ "Colony Pattern": "Unknown",
66
+ "Pigment": "None",
67
+ "Motility Type": "Peritrichous"
68
  },
69
+
70
+ "species_markers": [
71
+ {
72
+ "field": "Indole",
73
+ "value": "Negative",
74
+ "importance": "high",
75
+ "notes": "Helps distinguish E. cloacae from indole-positive Enterobacter species."
76
+ },
77
+ {
78
+ "field": "Ornithine Decarboxylase",
79
+ "value": "Negative",
80
+ "importance": "high",
81
+ "notes": "Useful discriminator within the Enterobacter cloacae complex."
82
+ },
83
+ {
84
+ "field": "Rhamnose Fermentation",
85
+ "value": "Negative",
86
+ "importance": "medium",
87
+ "notes": "Supports identification when combined with other biochemical results."
88
+ }
89
  ],
90
+
91
+ "common_confusions": [
92
+ {
93
+ "species": "Enterobacter hormaechei",
94
+ "reason": "Closely related species within the E. cloacae complex with overlapping biochemical profiles."
95
+ },
96
+ {
97
+ "genus": "Citrobacter",
98
+ "reason": "Shared citrate positivity and sugar fermentation patterns."
99
+ }
100
  ],
101
+
102
+ "when_to_question_identification": [
103
+ "Indole positivity suggests another Enterobacter species.",
104
+ "Strong lactose fermentation may indicate Klebsiella or Escherichia.",
105
+ "H2S production is inconsistent with E. cloacae."
106
  ],
107
+
108
+ "recommended_next_tests": [
109
+ {
110
+ "test": "Ornithine decarboxylase",
111
+ "reason": "Key discriminator within the Enterobacter cloacae complex."
112
+ },
113
+ {
114
+ "test": "MALDI-TOF MS",
115
+ "reason": "Reliable differentiation within the Enterobacter cloacae complex."
116
+ },
117
+ {
118
+ "test": "Molecular identification",
119
+ "reason": "Recommended due to close genetic similarity between species."
120
+ }
121
  ]
122
+ }