Table. Characteristics of Aeromonas spp. isolates from blood of 3 pregnant women, Thailand–Myanmar border, January–May 2011*.
| Characteristic | Patient no., organism |
||
|---|---|---|---|
| 1, A. hydrophila | 2, A. veronii biovar sobria | 3, A. veronii biovar sobria | |
| Species identification results | |||
| Growth in 1% NaCl | + | + | + |
| Growth in 6% NaCl | – | – | – |
| Growth on TCBS agar (colonies) | +/– (yellow) | +/– (yellow) | +/– (green) |
| Glucose fermentation | + | + | + |
| Oxidase | + | + | + |
| O129 susceptibility (10 µg/150 µg) | –/– | –/– | –/– |
| Esculin hydrolysis | + | – | – |
| Indole | + | + | + |
| Voges-Proskauer | + | + | + |
| Gas from glucose (TSI) | + | + | + |
| Acid from arabinose | – | – | – |
| Cephalothin susceptibility (30 µg) | – | + | – |
| Antimicrobial drug susceptibilities (zone diameter, mm) | |||
| Ampicillin (10 µg) | NA (6) | NA (6) | NA (6) |
| Ceftazidime (30 µg) | S (30) | S (31) | S (32) |
| Ceftriaxone (30 µg) | S (26) | S (40) | S (31) |
| Meropenem (10 µg) | S (30) | S (28) | S (23) |
| Chloramphenicol (30 µg) | S (30) | S (31) | S (28) |
| Ciprofloxacin (5 µg) | S (33) | S (35) | S (26) |
| Co-trimoxazole (25 µg) | S (24) | S (22) | S (23) |
| Gentamicin (10 µg) | S (20) | S (19) | S (18) |
*TCBS, thiosulfate-citrate-bile salts-sucrose; O129, disks impregnated with 2,4-diamino-6,7di-iso-propylpteridine phosphate for the presumptive identification of Vibrio spp. from other gram-negative rods; TSI, triple sugar iron; NA, not applicable; S, susceptible (derived according to criteria from [4]).