Table 2 List of strains used in this study

E. coli S17-1

thi,pro,hsdR^-,hsdM⁺,recA; integrated plasmid RP4-Tc::Mu-Kn::Tn7

[21]

E. coli DH5α

F’ endA1 hsdR17 (r_k^-m_k^-) supE44 thi-1 recA1 gyrA (Nal^r) relA1 Δ(lacIZYA-argF) U169 deoR (ϕ80dlacΔ(lacZ)M15)

[22]

E. coli S17-1: pZMR100

Plasmid vector used to confer Km^r on S17-1 & DFB225 that are being used as prey for Km^rBdellovibrio strains

[23]

Bdellovibrio bacteriovorus HD100

Wild-type

[4]

Bdellovibrio bacteriovorus fliC1 merodiploid

Km^r derivative of HD100 merodiploid for fliC1

[24]

Bdellovibrio bacteriovorus bd0743

HD100 bd0743::aphII

This study

Bdellovibrio bacteriovorus bd0881

HD100 bd0881::aphII

This study