TABLE 2.

Differences in ctsR genes, motilities, and hemolytic activities of the strains studied

StrainctsR geneaMotilitybHemolysisb
LO28 (WT)Normal++++
1Normal++++
2Normal++++
3Normal±+
4268 bp deleted++
5Normal++++
6Δ GGT++++
7Δ GGT++++
855 bp deleted++++
9Normal+++
10Normal+
11Point mutation, aa 38++++
12Δ GGT++++
1349 bp deleted++++
14Addition of 86 bp++++
15Normal+++
16Normal+++
17Normal+
18Normal+
19Normal++++
20198 bp deleted++++
21Normal+
22Normal+
23Normal++
24Normal+
  • a Δ GGT, 3 bp (Gly) deleted in the glycine repeat region; aa, amino acid.

  • b For motility and hemolysis a clear positive result is coded ++ and a clear negative result as −, whereas ± means slightly positive and + indicates a positive response (but less clear than the wild-type response).