TABLE 1.
Biochemical profiles of the blood culture isolate, Gordonibacter pamelaeae, Eggerthella hongkongensis, Eggerthella sinensis, and Eggerthella lenta by a combination of conventional biochemical tests and Vitek ANI, API 20A, and ATB ID32A systems
| Biochemical reaction, enzyme, or substrate | Result for bacteriuma: |
||||
|---|---|---|---|---|---|
| Blood culture isolate | Gordonibacter pamelaeae (n = 1) (reference 14) | Eggerthella hongkongensis (n = 4) (reference 5) | Eggerthella sinensis (n = 1) (reference 5) | Eggerthella lenta (n > 10) (references 2 and 8) | |
| Catalase | + | + | + | + | V |
| Arginine dihydrolase | + | + | + | + | + |
| Alkaline phosphatase | − | − | V | − | − |
| Phosphate choline | − | NA | − | − | − |
| Reduction of nitrate | − | − | − | − | V |
| Reduction of triphenyl tetrazolium | − | NA | − | − | − |
| α-Fucosidase | − | − | − | − | V |
| β-Fucosidase | − | NA | − | − | − |
| β-Glucosidase | − | − | + | − | − |
| α-Mannosidase | − | NA | − | − | − |
| β-Lactosidase | − | NA | − | − | − |
| β-Xylosidase | − | NA | − | − | − |
| Alanine arylamidase | − | − | V | − | V |
| Arginine arylamidase | + | − | V | V | V |
| Benzoyl-arginine arylamidase | − | NA | − | − | − |
| Glycine arylamidase | − | − | − | − | V |
| Histidine arylamidase | − | − | − | − | V |
| Leucine arylamidase | − | − | V | − | V |
| Lysine arylamidase | − | NA | V | + | V |
| Phenylalanine arylamidase | − | − | − | − | V |
| Proline arylamidase | − | − | − | − | V |
| Serine arylamidase | − | − | − | − | V |
| Tyrosine arylamidase | − | − | − | − | V |
a
All strains are negative for glutamic acid decarboxylase; indole production; urease; oxidation/fermentation of arabinose, glucose, mannose, raffinose, trehalose, and xylose; α-arabinosidase; α-galactosidase; β-galactosidase; β-galactosidase-6-phosphate; α-glucosidase; β-glucuronidase; N-acetyl-glucosaminidase; glutamyl glutamic acid arylamidase; leucyl glycine arylamidase; and pyroglutamic acid arylamidase. V, variable; NA, not available.