TABLE 1

Strains used in the present study

StrainDescription or relevant genotypeSource or reference
M99S. gordonii endocarditis isolateSullam et al. (37)
PS846M99 ΔgspB::pEVP3Bensing et al. (49)
PS798S. gordonii Challis CH1 secA2::pM993′A2Bensing et al. (17)
PS779S. gordonii Challis CH1 Δhsa::pEVP3Bensing et al. (17)
SK36S. sanguinis oral isolatePlummer et al. (24)
PS1071aSK36 srpA::pB1060flag; pVA891 insertion in srr2 regionThis study
  • a Secretes C-terminally truncated, 3XFLAG-tagged SrpA; lacks cell wall-anchored SrpA.