TABLE 4.
Profile of the 51 strains of biotype 3 in Vitek 2, using ID-GNB cardsa
| Substrate | % (No.) of positive biotype 3 strains | Result with control strain
|
|
|---|---|---|---|
| B1 | B2 | ||
| Adonitol | 0 (0) | − | − |
| l-arabinose | 0 (0) | − | − |
| d-cellobiose | 0 (0) | − | + |
| d-galacturonate | 0 (0) | − | − |
| d-glucose | 100 (51) | + | + |
| Glucose-1-phosp. | 100 (51) | + | + |
| d-glucuronate | 96 (49) | − | + |
| Myoinositol | 0 (0) | − | − |
| 5-Keto-d-gluconate | 0 (0) | − | − |
| d-maltose | 98 (50) | + | + |
| d-mannitol | 0 (0) | − | + |
| d-melibiose | 0 (0) | − | − |
| Palatinose | 0 (0) | − | − |
| d-raffinose | 0 (0) | − | − |
| l-rhamnose | 0 (0) | − | − |
| Saccharose/sucrose | 0 (0) | − | − |
| d-sorbitol | 0 (0) | − | + |
| d-trehalose | 100 (51) | + | + |
| Lysine | 100 (51) | + | + |
| Decarboxylase | |||
| Omithine decarbox. | 71 (36) | − | − |
| Urease | 0 (0) | − | − |
| Malonate | 0 (0) | − | − |
| Tryptophane deaminase | 0 (0) | − | − |
| Alpha-arabinosidase | 0 (0) | − | + |
| Alpha-galactosidase | 0 (0) | − | + |
| Alpha-glutamate | 0 (0) | − | − |
| Beta-cellobiosidase | 16 (8) | − | − |
| Beta-galactosidase | 0 (0) | − | + |
| Beta-glucosidase | 0 (0) | − | − |
| Beta-glucuronidase | 0 (0) | − | − |
| Beta-mannosidase | 100 (51) | + | + |
| Beta-N-acetyl-gluc. | 100 (51) | + | + |
| Beta-N-acetyl-galac. | 0 (0) | + | + |
| Beta-xylosidase | 0 (0) | − | − |
| Glu-Gly-Arg-arylamidase | 0 (0) | − | − |
| Gamma-glutamyl-trans. | 0 (0) | − | − |
| l-lysine-arylamidase | 100 (51) | + | + |
| Phosphatase | 0 (0) | − | − |
| l-proline-arylamidase | 100 (51) | + | + |
| l-pyrrolidonyl-arylam. | 0 (0) | − | − |
| CBZ-Arg-arylamidase | 0 (0) | − | − |
a
Substrates that give a positive result with all 51 strains are boldfaced. phosp., phosphatase; decarbox., decarboxylase; gluc., glucosidase; galac., galactosidase; trans., transferase; arylam., arylamidase; CBZ, carbobenzyloxy; B1, V. vulnificus biotype 1; B2, V. vulnificus biotype 2.