. 2012 Jul;80(7):2485–2492. doi: 10.1128/IAI.00145-12

Table 1.

Swimming behavior of B. burgdorferi cheA₂^mut

Strain	Velocity (μm/s)^a	Reversal frequency (no. of reversals/10 s)^a
Wild type	14.1 ± 1.9	2.3 ± 0.77
cheA₂^mut	15.9 ± 2.4	0
cheA₂^com	15.3 ± 1.6	1.8 ± 0.63

Thirty swimming cells of each strain were tracked, and the data are expressed as means ± SEM.