TABLE 2

Increased transcripts of virulence-associated genes in rgg mutant strain NZ131 identified with DNA microarrays

SPy no.DesignationaMean fold difference ± SEMb
0167 slo (SLO)2.1 ± 0.1
0738 sagA (SLS)2.1 ± 0.1
0747None (none)1.6 ± 0.1
0861 mac (Mac)1.5 ± 0.1
1008 speH (SpeH)1.5 ± 0.2
1357 grab (Grab)1.6 ± 0.0
1436 mf-3 (MF-3)8.8 ± 0.3
1983 scl1 (Scl-1)3.3 ± 0.2
2010 scpA (C5a peptidase)1.5 ± 0.1
2018 emm (M)1.9 ± 0.1
2043 mf-1 (MF-1)2.8 ± 0.3
  • a Gene designations are in italics, and the corresponding protein designations are in parentheses.

  • b The mean difference ± the standard error of the mean (rgg mutant strain NZ131 versus wild-type NZ131) in intensity of quadruplicate spots is shown.