Volume 28, Number 1—January 2022
Research
High-Level Quinolone-Resistant Haemophilus haemolyticus in Pediatric Patient with No History of Quinolone Exposure
Table 2
Comparison of biochemical characteristics of Haemophilus haemolyticus strain 2019-19 from a 9-year-old girl in Japan and reference species*
| Characteristics | 2019-19 | GTC 14202T | GTC 15009T |
|---|---|---|---|
| V-factor requirement | + | + | + |
| X-factor requirement | + | + | + |
| Indole production | + | + | - |
| Urease | + | + | + |
| Lipase | – | – | – |
| Ornithine decarboxylase | – | – | – |
| Alkaline phosphatase | + | + | + |
| Proline arylamidase | – | – | – |
| β-galactisidase | – | – | – |
| γ‐glutamyltransferase | – | – | – |
| Acid source | |||
| D-glucose | + | + | + |
| D-fructose | + | + | + |
| Maltose | – | – | + |
| Sucrose | – | – | – |
| Growth temperature | |||
| 4°C | – | – | – |
| 16°C | – | – | – |
| 25°C | – | W | – |
| 37°C | ++ | ++ | ++ |
| 42°C | – | – | – |
| CO2 enhances growth | – | – | – |
| Hemolysis | – | – | + |
*W, weak; –, negative; + positive.
1These authors contributed equally to this article.
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