TABLE 1.

Bacteria strain composition of opsonization assay groups and their antibiotic resistance

Assay groupAssay group strain no.a
1234
AOREP4 (DS2382-94)SPEC6B (BG25-9)STREP14 (DS2214-94)TREP19A (DS3519-97)
BOREP18C (GP116)SPEC19F (DS2217-94)EMC9V (1081748)EMC23F (1212458)
COREP7F (DS2617-97)SPEC1 (L82006)STREP5 (DBL5)TREP6A (EF6796)
DOREP3 (Wu2)NoneNoneNone
  • a The names of the wild-type strains are included in parentheses. The antibiotics (and concentrations in overlay) used were the following: strain 1, optochin (2 μg/ml); strain 2, spectinomycin (150 μg/ml); strain 3, streptomycin (250 μg/ml); strain 4, trimethoprim (25 μg/ml).