TABLE 2.

MCP phenotypes of pdu deletion mutants

Relevant genotype (strain)MCP formationGrowth arrestDoubling time with B12 (h)Growth lag on 1,2-PD minimal medium (h)
LimitingSaturating
Wild-type S. enterica LT2NormalNo16.9 ± 0.835.4 ± 0.1117.4 ± 0.3
ΔpduA (BE464)EnlargedYes7.8 ± 0.444.5 ± 0.2517.5 ± 0.3
ΔpduBB′ (BE213)Absent, with polar body presentYes4.3 ± 0.105.2 ± 0.0713.4 ± 0.1
ΔpduJ (BE184)Elongated or amorphousYes7.1 ± 0.524.5 ± 0.1116.1 ± 0.5
ΔpduK (BE770)AggregatedNo16.6 ± 0.375.6 ± 0.1717.6 ± 0.1
ΔpduN (BE772)Elongated and varied shapesYes4.1 ± 0.415.8 ± 0.1615.9 ± 0.3
ΔpduT (BE885)NormalNo18.0 ± 1.138.1 ± 0.1518.2 ± 0.3
ΔpduU (BE901)NormalNo16.5 ± 0.608.2 ± 0.2820.0 ± 0.2