EphAsad commited on
Commit
13afea0
·
verified ·
1 Parent(s): bf3ab12

Update data/rag/knowledge_base/Achromobacter/denitrificans.json

Browse files
data/rag/knowledge_base/Achromobacter/denitrificans.json CHANGED
@@ -1,43 +1,99 @@
1
  {
 
 
2
  "genus": "Achromobacter",
3
  "species": "denitrificans",
4
- "full_name": "Achromobacter denitrificans",
5
- "clinical_significance": "Occasionally associated with opportunistic infections such as bacteremia, pneumonia, and urinary tract infections, especially in immunocompromised patients. Historically misidentified as A. xylosoxidans in some systems.",
6
- "phenotype_profile": {
7
- "morphology": "Motile Gram-negative rods; non-fermenting.",
8
- "culture": "Grows as smooth, grey, non-lactose-fermenting colonies on blood and MacConkey agar.",
9
- "biochemical": [
10
- "Oxidase positive",
11
- "Catalase positive",
12
- "Non-fermenter",
13
- "ONPG negative",
14
- "Does not grow in 6.5% NaCl",
15
- "Nitrate reduction strongly positive (defining trait)",
16
- "Usually does not oxidize xylose",
17
- "Motile"
18
- ]
19
  },
20
- "differentiation": {
21
- "from_close_species": [
22
- "Strong nitrate reduction differentiates A. denitrificans from A. inosolitus and some xylosoxidans strains.",
23
- "Lack of xylose oxidation separates it from A. xylosoxidans.",
24
- "More robust oxidative metabolism compared to A. inosolitus."
 
 
 
 
 
 
25
  ],
26
- "from_other_genera": [
27
- "Oxidase positivity and motility rule out Bordetella and some Alcaligenes species.",
28
- "No pigment production differentiates it from Delftia.",
29
- "Nitrate positivity helps differentiate from Ralstonia species."
30
- ]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
31
  },
32
- "confirmation_methods": [
33
- "MALDI-TOF MS",
34
- "Nitrate reduction test",
35
- "16S rRNA sequencing"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
36
  ],
37
- "treatment_notes": "Often resistant to aminoglycosides and some beta-lactams. Susceptibility testing essential.",
38
- "notes": "Historically confused with xylosoxidans complex; modern MALDI-TOF systems achieve accurate separation.",
39
- "references": [
40
- "Manual of Clinical Microbiology, 12th Edition.",
41
- "Studies on differentiation of Achromobacter species in clinical labs."
 
 
 
 
 
42
  ]
43
- }
 
1
  {
2
+ "schema_version": "1.0",
3
+ "level": "species",
4
  "genus": "Achromobacter",
5
  "species": "denitrificans",
6
+
7
+ "overview": {
8
+ "short": "Achromobacter denitrificans is a Gram-negative, aerobic, non-fermenting rod characterized by strong nitrate reduction and denitrification capability.",
9
+ "clinical_context": "Rarely associated with human infection and more commonly encountered in environmental samples."
 
 
 
 
 
 
 
 
 
 
 
10
  },
11
+
12
+ "expected_fields": {
13
+ "Gram Stain": "Negative",
14
+ "Shape": "Rods",
15
+ "Motility": "Positive",
16
+ "Capsule": "Unknown",
17
+ "Spore Formation": "Negative",
18
+ "Haemolysis": "Negative",
19
+ "Haemolysis Type": "None",
20
+ "Media Grown On": [
21
+ "Blood Agar"
22
  ],
23
+ "Colony Morphology": [
24
+ "Smooth",
25
+ "Grey"
26
+ ],
27
+ "Oxygen Requirement": "Aerobic",
28
+ "Growth Temperature": "20//37",
29
+ "Catalase": "Positive",
30
+ "Oxidase": "Positive",
31
+ "Indole": "Negative",
32
+ "Urease": "Negative",
33
+ "Citrate": "Variable",
34
+ "Methyl Red": "Negative",
35
+ "VP": "Negative",
36
+ "H2S": "Negative",
37
+ "DNase": "Negative",
38
+ "ONPG": "Negative",
39
+ "Coagulase": "Negative",
40
+ "Gelatin Hydrolysis": "Negative",
41
+ "Esculin Hydrolysis": "Negative",
42
+ "Nitrate Reduction": "Positive",
43
+ "NaCl Tolerant (>=6%)": "Negative",
44
+ "Lipase Test": "Negative",
45
+ "Lysine Decarboxylase": "Negative",
46
+ "Ornithine Decarboxylase": "Negative",
47
+ "Ornitihine Decarboxylase": "Negative",
48
+ "Arginine dihydrolase": "Positive",
49
+ "Glucose Fermentation": "Negative",
50
+ "Lactose Fermentation": "Negative",
51
+ "Sucrose Fermentation": "Negative",
52
+ "Maltose Fermentation": "Negative",
53
+ "Mannitol Fermentation": "Negative",
54
+ "Sorbitol Fermentation": "Negative",
55
+ "Xylose Fermentation": "Negative",
56
+ "Rhamnose Fermentation": "Negative",
57
+ "Arabinose Fermentation": "Negative",
58
+ "Raffinose Fermentation": "Negative",
59
+ "Trehalose Fermentation": "Negative",
60
+ "Inositol Fermentation": "Negative",
61
+ "Gas Production": "Negative",
62
+ "TSI Pattern": "K/K",
63
+ "Colony Pattern": "Unknown",
64
+ "Pigment": "None",
65
+ "Motility Type": "Polar"
66
  },
67
+
68
+ "species_markers": [
69
+ {
70
+ "field": "Nitrate Reduction",
71
+ "value": "Positive",
72
+ "importance": "high",
73
+ "notes": "Denitrification capability is characteristic of A. denitrificans."
74
+ }
75
+ ],
76
+
77
+ "common_confusions": [
78
+ {
79
+ "species": "Achromobacter xylosoxidans",
80
+ "reason": "Shared oxidase positivity and non-fermentative metabolism."
81
+ }
82
+ ],
83
+
84
+ "when_to_question_identification": [
85
+ "Absence of nitrate reduction argues against A. denitrificans.",
86
+ "Clinical isolation should prompt confirmation due to rarity."
87
  ],
88
+
89
+ "recommended_next_tests": [
90
+ {
91
+ "test": "Nitrate reduction and denitrification testing",
92
+ "reason": "Defining feature of this species."
93
+ },
94
+ {
95
+ "test": "MALDI-TOF MS",
96
+ "reason": "Required for reliable species-level identification."
97
+ }
98
  ]
99
+ }