TABLE 1. EFFECT OF NAVBP status on B. pseudofirmus OF4 motility.
| Strain | Colony diameter, mm* | Tumbling† |
|---|---|---|
| Wild type | 19.8 ± 1.2‡ | ± |
| SC34 (ΔncbA) | 9.1 ± 1.0 | ++ |
| SC34-R (ΔncbA, ncbA restored) | 16.2 ± 0.8 | + |
| Wild-type-M | 37.5 ± 1.4 | ± |
| SC34-up motile | 44.5 ± 3.9 | ++ |
| SC34-up motile-R (ncbA restored) | 46.2 ± 1.5 | + |
| Wild-type/pYM1 | 19.1 ± 1.8 | + |
| Wild-type/pSC | 28.2 ± 2.2 | ++ |
| Wild-type/pSC-Ca | 18.5 ± 1.1 | ± |
| SC34/pYM1 | 11.4 ± 2.2 | ++ |
| SC34/pSC | 29.5 ± 4.0 | +++ |
| SC34/pSC-Ca | 8.5 ± 0.5 | ++ |
*
Measured after 18 hr on MYE medium, pH 10.5, solidified with 0.3% agar.
†
Qualitative assessment by phase microscopic observations
‡
Mean values of two to four independent experiments with standard deviations of the mean.