TABLE 4

Transcriptional activity of wss

β-Galactosidase activity
17 hr29 hr
Control2.6 (0.4)2.1 (0.6)
SM wssE-’lacZ399 (4.6)245 (4.9)
WS wssE-’lacZ714 (17.4)998 (15.2)
WS-4 wssE-’lacZ444 (10)354 (5.1)
  • Data are mean Miller Units ± standard errors from three replicate cultures. WS-4 is wspR::mini-Tn5-km.