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. 2008 Jan 25;190(7):2411–2421. doi: 10.1128/JB.01793-07

TABLE 2.

T4P formation in M. xanthus mutants carrying substitutions in the Walker A and Walker B boxes of PilB and PilT

Strain Genotype No. of cells
No. of pili per cell
Total scored Nonpiliated Piliated at one pole Piliated at both poles
DK1622 Wild type 21 6 15 0 9
DK10410 ΔpilA 21 21 0 0 0
DK10416 ΔpilB 20 20 0 0 0
SA2021 ΔpilB/pilB+ 20 2 18 0 7
SA2414 ΔpilB/pilB(K328A) 20 20 0 0 0
SA2415 ΔpilB/pilB(E392A) 20 20 0 0 0
DK10409 ΔpilT 21 2 19 0 7
SA2020 ΔpilT/pilT+ 21 2 19 0 10
SA2412 ΔpilT/pilT(K138A) 21 3 18 0 7
SA2413 ΔpilT/pilT(E206A) 21 5 16 0 9
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