Table I.

Relevant Genotypes and Phenotypes of the B. pertussis Strains Used in this Study and Their Parental Strains

Phenotypes
StrainsParental
 strainsGenotypesReleased
 FHACell-
 associated
 FHASphB1PTXMarkerReference
PTX-proficient strainsBPSM++++28
BPLC5BPSMΔsphB1++23
BPLC7BPSMsphB1S412→A+Inactive+23
PTX-deficient strainsBPRABPSMΔptx+++29
BPDRBPRAΔptx, ΔfhaB+27
BPLC6BPRAΔptx, ΔsphB1+This study
BPLC8BPLC7sphB1S412→A, ptx-S1 :: pFUS2+InactiveGThis study
BPLC9BPLC5ΔsphB1, ptx-S1 :: pFUS2+GThis study
  • G, gentamycin resistance cassette.