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Table 3 Phenotype and molecular characterization of various serotype-ST/CC GBS recovered from infected neonates (no. of isolates)

From: Phenotypic and genetic differences among group B Streptococcus recovered from neonates and pregnant women in Shenzhen, China: 8-year study

CPS type-ST/CC

Resistance profile

ERY and CLI resistance gene

TET resistance gene

Virulence-related gene

Culture-confirmed Infection

III-ST17/CC17 (18)

ERYRCLIR (16), TETR (18)

ermB (16), mefA/E (2), lnuB (5)

tetO (18), tetM (13), tetL (1)

hylB (18), lmb (18), scpB (17)

SE (16), BA (1), OM (1)

III-ST19/CC19 (4)

ERYRCLIR (3), TETR (4)

ermB (2), mefA/E (1), lnuB (3)

tetO (3), tetM (4), tetL (1)

hylB (4), lmb (4), scpB (4)

SE (4)

III-ST171/CC17 (1)

ERYRCLIR (1), TETR (1)

ermB (1)

tetO (1), tetM (1)

hylB (1), lmb (1), scpB (1)

SE (1)

Ib-ST12/CC10 (3)

ERYRCLIR (3), TETR (3)

ermB (3), lnuB (2)

tetO (3), tetM (3)

hylB (3), lmb (3), scpB (3), bac (3), bca (2)

SE (2), OM (1)

Ib-ST10/CC10 (1)

ERYRCLIR (1)

ermB (1)

none

hylB (1), lmb (1), scpB (1), bac (1), bca (1)

SE (1)

Ia-ST23/CC23 (1)

TETR (1)

none

tetO (1), tetM (1)

hylB (1), lmb (1), scpB (1)

SE (1)

V-ST456/CC19 (1)

ERYRCLIR (1), TETR (1)

ermB (1), mefA/E (1)

tetO (1), tetM (1), tetL (1)

hylB (1), lmb (1), scpB (1)

OM (1)

  1. CPS capsular polysaccharide, ST sequence type, CC clonal complex, R resistant, ERY erythromycin, CLI clindamycin, TET tetracycline, SE sepsis, BA bacteremia, OM omphalitis