Table 1. Phenotypic and genetic characteristics of S. hominis subspecies.
Marker category | Marker subcategory | No. (%) positiveSHN isolates(n = 37)a | No. (%) positiveSHH isolates(n = 71)a |
Subspecies-defining phenotypes | Novobiocin resistance | 37 (100) | 1 (1) |
D-trehalose | 0 (0) | 61 (86) | |
N-acetyl-D-glucosamine | 0 (0) | 57 (80) | |
Other phenotypes | D-mannitol | 0 (0) | 16 (23) |
β-hemolysis | 0 (0) | 0 (0) | |
Oxacillin resistance | 37 (100) | 46 (65) | |
Genetic characteristics | gyrB allele T431 | 37 (100) | 1 (1) |
mecA | 37 (100) | 46 (65) | |
mecA class A | 37 (100) | 42 (59) | |
mecA class B | 0 (0) | 4 (6) | |
ccrAB1 | 15 (41) | 30 (42) | |
ccrAB2 | 0 (0) | 4 (6) | |
ccrAB3 | 22 (59) | 1 (1) | |
ccrAB4 | 36 (97) | 14 (20) | |
ccrC | 29 (78) | 21 (30) |
SHN is S. hominis subsp. novobiosepticus, SHH is S. hominis subsp. Hominis.