TABLE 2.

Characteristics of GBS strains used in this study

Strain or isolateSerotypeAlpha-protein-like proteina
Reference strains
    NCTC 11078 (A909)Ia/CAlpha
    090IaAlp2b
    NCTC 8187 (H36B)Ib/CAlpha
    M 781III/RRib
    Prague 1/82IVEpsilon
    Prague 10/84VNegative
    Prague 118754VIEpsilon
    Prague 7271VIIEpsilon
    JM9-130013VIII/RAlp3b
    NCTC 9828NT/RAlp4
Clinical isolates
    1319IaEpsilon
    1325IaEpsilon
    2129IbAlpha
    5518IbAlpha
    2088Ia/CEpsilon
    5551Ia/CAlpha
    1599Ib/CAlpha
    1977Ib/CAlpha
    5401IIAlpha
    3050IIRib
    2452II/CEpsilon
    5405II/CAlpha
    2448II/RRib
    2141II/RRib
    5368IIIRib
    5435IIIRib
    5400IIIAlp2b
    1056III/CEpsilon
    1496III/CEpsilon
    2601III/CAlpha
    4383III/RRib
    1998III/RRib
    1999IVEpsilon
    2274IVAlpha
    1613IVEpsilon
    2273IVAlpha
    2620IVEpsilon
    2102VEpsilon
    2361VII/RAlp3b
    2362VII/RAlp3b
    5408VIIIAlp2b
    2179VIII/CEpsilon
    1715VIII/RRib
    2198VIII/RRib
    2442VIII/RAlp2b
    2925NTAlpha
    2933NTAlpha
    2450NTAlpha
    2927NTAlpha
    3002NTRib
    2277NT/CAlpha
    2914NT/CEpsilon
    2116NT/RRib
    5366NT/RRib
Bovine strains
    3492IIIEpsilon
    3491IVEpsilon
    3476IVEpsilon
    3477IVEpsilon
    3479NTEpsilon
    3485NTEpsilon
    3487NT/CAlpha
    3490NTEpsilon
    3488NTNegative
    2628VRib
    2068VAlp3b
    2110V/CEpsilon
    2929V/CAlpha
    5403V/RRib
    1989VIEpsilon
    1992VIEpsilon
    1990VI/CEpsilon
    1994VI/CEpsilon
    1272VII/CAlpha
    2928VII/C
  • a The designation of the alpha-protein-like protein encoded by the gene is based both on PCR results and sequencing of the PCR product.

  • b The differentiation between the proteins encoded by the alp2 and alp3 genes was performed by sequencing entire genes as described in reference 10.