Table 1.

Relevant properties of some of the strains analyzed

StrainSerotypePFGE typePenicillin MIC (μg/ml)Susceptibility (S) or resistance (R)No. of kb of SmaI hybridization patternmurM alleleCell wall composition
Erythro mycinTetracyclineChloramphen- icolSulfamethoxazole-trimethoprimlytAmurMprobe
MurMAIMurMBI
Hun66319AHun 1A2RRRNDaND95murMB1Abnormally high Ala-Ala
Hun52419AHun 1A2RRRR280/9595murMB1Abnormally high Ala-Ala
Hun4519Hun 1A16RRRR280/9595murMB1Abnormally high Ala-Ala
824919ASA16RRRNDNDNDNDmurMB2Abnormally high Ala-Ala/Ala-Ser
D2019ASA112RRRNDNDNDNDmurMB2Abnormally high Ala-Ala/Ala-Ser
CA 396121.5SSSI>450/8095murMB8Abnormally high Ala-Ala
KY 423USA 52SSSI260/859595murMB4Abnormally high Ala-Ala/Ala-Ser
KY 523USA 53SSSI260/859595murMB4ND
KS 1123USA 54SSSR260/8595murMAND
WA223USA 50.023SSSS85/7095murMAND
KY 17NTb301.5RRSR450/160/60450450murMB5Abnormally high Ala-Ser
DE 114USA 223SSSS8595murMB3Abnormally high Ala-Ala
SD 314USA 224RSSR8595murMAND
MD114USA 220.05RSSR8595murMAND
NE 66USA 106RRSR360/100/509595murMB7ND
FL106USA 102RRRR360/8595murMAND
WI 36USA 104RRRI360/100/5095murMAND
TX 66USA 176RSSR105/6095murMB6ND
TX 76144RSSR10595murMB6ND
VP14523A0.5NDNDNDND225/90/3095murMANormal
Sp215014B1SSSND260/9550murMANormal, R6Hex
TX 39B2SSSI260/13050murMAND
Bul1259B4SSSR260/9550murMANormal, R6Hex
TX266USA 203SSSS8560murMAND
CA319USA 33RRSR11590murMAND
TX 419USA 32RRSR11590NScND
TX 514USA 166RRSR95/4095NSND
GA 30NTUSA 168RRSR95/4095NSND
GA1214USA 164RRSR95/7095NSND
OH 46USA 92RSSR100/60380NSND
OH 116USA 92RSSR100/60380NSND
OH 136USA 92RSSR100/60380NSND
UT 119UT 200.008SNDNDS280/95100NSND
UT 519UT 200.016SNDNDS280/95100NSND
UT 4111USA 270.016SNDNDS85300NSND
UT 12611USA 270.008SNDNDS85300NSND
UT 67NTUSA 390.016SNDNDS95350NSND
UT 91NTUSA 390.008SNDNDS95350NSND
  • a ND, not done.

  • b NT, nontypeable.

  • c NS, not sequenced.