TABLE 1.

H. influenzae strains

Strain	Relevant genotype	Capsular type	Description	Source or reference
R3001	Wild type	NTHi	Clinical isolate from CF patient	This study
R3001a	htrB mutant	NTHi	Tn5 mutant of R3001	This study
E1a	Wild type	b	Serotype b strain	41
E1a∗	htrB mutant	b	Tn5 mutant of E1a	This study
2019	Wild type	NTHi	Clinical isolate from COPD patient	6, 30
B29	htrB mutant	NTHi	Tn3 htrB mutant of 2019 (cam)	23
2019 pgmB::erm	htrB+	NTHi	Erythromycin-resistant phosphoglucomutase mutant	42
2019 licD::kan	htrB+	NTHi	licD with kanamycin cassette from pUC4K	24
B29 (KKH1)	ΔhtrB(htrB+)	NTHi	Wild-type htrB in shuttle vector	This study
B29 (KKH2)	ΔhtrB(htrB+)	NTHi	Wild-type htrB in shuttle vector	This study