TABLE 4.

PilD, but not FppA, is required for PAPI-1 transfer

Donor strain	Transfer efficiency
PA14TnC2 (Gmr)	7.0 × 10−5
PA14TnC2 ΔfppA (Gmr)	3.0 × 10−5
PA14TnC2 ΔpilD (Gmr)	<10−8
PA14TnC2 ΔpilDppilD (Gmr Tcr)	1.7 × 10−5
PA14TnC2 ΔpilDpfppA (Gmr Tcr)	2.5 × 10−8
PA14TnC2 ΔpilDvector (Gmr Tcr)	2.1 × 10−8