TABLE 2.
Identification of atypical or phenotypically unidentified streptococcal strains by rrn-ARDRA
| Strain no. | Conventional identification | Atypical characteristic(s)a | Restriction pattern
|
rrn-ARDRA identification | ||
|---|---|---|---|---|---|---|
| HhaI | MboII | Sau3a | ||||
| HDP 99045 | S. porcinus | Lancefield group B | H-H2 | M-A1 | S-K1a | S. porcinus |
| HDP 99520 | S. dysgalactiae | Lancefield group A | H-F2 | M-A3a | S-R2 | S. dysgalactiae |
| HDP 99296 | S. suis | β-GLU (−), MβDG (−), mannitol (+) | H-D2 | M-D1a | S-P1 | S. suis |
| HDP 91257 | S. bovis | Trehalose (−), raffinose (+), pullulan (+) | H-B1 | M-E1d | S-G1b | S. infantarius |
| HDP 99201 | S. sanguinis | β-GAR (−), trehalose (+), tagatose (−), dextran (+) | H-C1 | M-G1c | S-U5 | S. macacae |
| HDP 99294 | S. suis | ADH (−), β-GUR (−), β-MAN (+), raffinose (+) | H-B3b | M-E2 | S-G1c | S. equinus |
| HDP 99374 | S. suis | β-GAL (+), glycogen (−) | H-E1a | M-B3 | S-C2 | S. intermedius |
| HDP 99401 | S. parasanguinis | ADH (−), dextran (−) | H-A4a | M-E3e | S-A1a | S. oralis |
| HDP 99419 | S. suis | Lactose (−), β-GAL (+), β-NAG+, tagatose (+) | H-G2 | M-A5a | S-P1 | S. sobrinus |
| HDP 2000/341 | S. alactolyticus | α-GAL (−), mannitol (−), pullulan (+) | H-C2 | M-E3f | S-J1 | S. salivarius |
| HDP 2000/051 | Unidentified coccus from suppuration | ADH (−), β-GLU (−), VP (−), Lancefield group G | H-F4a | M-B5e | S-B1b | S. anginosus |
a
Atypical characteristics include atypical results for abilities to grow on the indicated substrates or to produce, the indicated compounds. Abbreviations: β-NAG, β-N-acetyl glycosylase; α-GAL, α-galactosidase; β-GAL, β-galactosidase; β-GUR, β-glucuronidase; β-GLU, β-glucosidase; β-MAN, β-mannosidase; β-NAG, N-acetyl glycosidase; VP, production of acetoin; ADH, arginine dihydrolase; MβDG, methyl-β-d-glucopyranoside.