Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 15, Number 8—August 2009

Research

Bordetella pertussis Strains with Increased Toxin Production Associated with Pertussis Resurgence

Frits R. MooiComments to Author , Inge H.M. van Loo, Marjolein van Gent, Qiushui He, Marieke J. Bart, Kees J. Heuvelman, Sabine C. de Greeff, Dimitri Diavatopoulos, Peter Teunis, Nico Nagelkerke, and Jussi Mertsola
Author affiliations: National Institute for Public Health and the Environment, Bilthoven, the Netherlands (F.R. Mooi, M. van Gent, M.J. Bart, K.J. Heuvelman, S.C. de Greeff, D. Diavatopoulos, P. Teunis); Maastricht University Hospital, Maastricht, the Netherlands (I.H.M. van Loo); National Public Health Institute, Turku, Finland (Q. He); United Arab Emirates University, Al Ain, United Arab Emirates (N. Nagelkerke); University of Turku, Turku (J. Mertsola)

Main Article

Table 1

Characteristics of strains used for Ptx and Prn production experiments*

Strain Year of isolation Patient age, mo ptxP allele prn allele ptxA allele
B1834 1999 28 PtxP1 Prn2 PtxA1
B1836 1999 3 PtxP3 Prn2 PtxA1
B1865 2000 2 PtxP3 Prn2 PtxA1
B1868 2000 35 PtxP1 Prn2 PtxA1
B1878 2000 45 PtxP1 Prn2 PtxA1
B1917 2000 44 PtxP3 Prn2 PtxA1
B1920 2000 9 PtxP1 Prn2 PtxA1
B2030 2001 3 PtxP3 Prn2 PtxA1

*Ptx, pertussin toxin; Prn, pertactin; ptxP, pertussin toxin promoter; prn, gene for pertactin; ptxA, gene for the A subunit of pertussin toxin.

Main Article

TOP