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Table 1 Distribution of the capsular types and alp genes among the urinary GBS isolates

From: Determination of surface proteins profile, capsular genotyping, and antibiotic susceptibility patterns of Group B Streptococcus isolated from urinary tract infection of Iranian patients

Surface alpha-like protein genes No. of isolates (%) No. of isolates (%) of serotypes
Ia n = 4 Ib n = 24 II n = 7 III n = 41 IV n = 2 V n = 18 NT n = 4
rib n = 40 (%) 2 (5) 0** 2 (5) 34 (85) ** 1 (2.5) ** 1 (2.5)
alpha-c protein n = 22 (%) 18 (81.8) ** 1 (4.5) 0** 3 (13.6)
alp 2/3 n = 18 (%) 3 (16.7) 1 (5.6) 6 (33.3) 1 (5.6) 7 (38.9) *
epsilon n = 15 (%) 2 (13.3) * 0* 3 (20) * 0** 1 (6.7) 6 (40) * 3** (20)
alp4 n = 0 (%)
alpha-c protein + alp 2/3 n = 3 (%) 2 (66.6) 1 (33.3)
alpha-c protein + rib n = 1 (%) 1 (100)
NT n = 1 (%) 1 (100)
  1. * p < 0.05
  2. ** p < 0.01