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Table 1 Characteristics of the clonal complexes (CCs) and sequence types (STs) of 83 (non-duplicated isolates) S. agalactiae strains by serotype, resistance determinants and other strain characteristics (June 2014 to September 2015)

From: Features of Streptococcus agalactiae strains recovered from pregnant women and newborns attending different hospitals in Ethiopia

Clonal Complex

STs (n)

Capsular Serotype

Macrolide/lincosamide genes

Tetracycline resistance genes

gyrA and parC mutations associated with FQ resistance

Gene coding for Alpha-like proteins

n = 83 (100%)

Gene coding for SRR1 n = 83 (100%)

Gene coding for pili n = 83 (100%)

Gene coding for HVGA

n = 2 (2.4%)

CC2 (24)

ST2 (12)

V (12)

 

tetM (12)

 

alp1(8);rib(4)

srr1(12)

PI-1:PI-2a(12)

 

ST196 (2)

IV (1); V (1)

 

tetM (2)

 

alp1(2)

srr1(2)

PI-1:PI-2a(1);PI-2b(1)

ST935a (1)

V (1)

 

tetM (1)

 

rib(1)

srr1(1)

PI-1:PI-2a(1)

ST19 (8)

III (5); V (3)

ermTR(2);ermTR:lnu(2) ermB (1)

tetM (8)

gyrA + parC (3)b

alp1(3); rib(5)

srr1(8)

PI-1:PI-2a(8)

ST110 (1)

V (1)

 

tetO(1)

 

rib(1)

srr1(1)

PI-2a(1)

CC249 (14)

ST249 (2)

Ia (2)

   

alp2/3 (2)

srr1(2)

PI-1 (2)

 

ST23 (7)

Ia (7)

 

tetM (7)

 

alp1(7)

srr1(7)

PI-2a(7)

ST933a (5)

Ia (5)

   

alp2/3 (5)

srr1(5)

PI-1 (5)

CC8 (35)

ST10 (24)

II (24)

 

tetL + tetM (24)

 

alpha(24)

srr1(24)

PI-1:PI-2a(24)

ST12 (6)

Ib (6)

 

tetM (4)

 

alpha(6)

srr1(6)

PI-1:PI-2a(6)

ST8 (5)

Ib (5)

 

tetM (5)

 

alpha(5)

srr1(5)

PI-1:PI-2a (5)

CC932 (5)

ST936a (1)

II (1)

 

tetM (1)

 

rib(1)

srr1(1)

PI-2b(1)

 

ST932a (2)

II (2)

 

tetM (2)

 

rib(2)

srr1(2)

PI-2b(2)

ST5 (2)

Ia (2)

 

tetM (2)

 

alp1(2)

srr1(2)

PI-2b(2)

ST167 (1)

ST167 (1)

II (1)

 

tetM (1)

 

rib(1)

srr1(1)

PI-2a(1)

ST3 (2)

ST3 (2)

II (2)

 

tetM (2)

 

alpha(2)

srr1(2)

PI-2a(2)

Singletons (2)

ST934a (2)

Ia (2)

 

tetM (1)

 

alp1(2)

srr1(2)

PI-2b(2)

hvga (2)

  1. a A new ST from this study; CC clonal complexes; ST sequence types; n number
  2. bAll 5 isolates also had determinants found to be associated with gentamicin resistance (aac6-aph2)