C. T. P. Hopman

Variable expression of class 1 outer membrane protein in Neisseria meningitidis is caused by variation in the spacing between the -10 and -35 regions of the promoter

Arie van der Ende, C. T. P. Hopman, Sebastian A. J. Zaat et al. · Journal of Bacteriology · 1995 · 133 citations · Full text

Genetics, Bacteriology, Molecular Biology +18

In situ expression and localization of Neisseria gonorrhoeae opacity proteins in infected epithelial cells: apparent role of Opa proteins in cellular invasion.

Jan Weel, C. T. P. Hopman, Jos P. M. van Putten · The Journal of Experimental Medicine · 1991 · 111 citations · Full text

Pathogenic Microbiology, Microbial Pathogens, Immunology +17

Homogeneity of Cell Envelope Protein Subtypes, Lipopolysaccharide Serotypes, and Biotypes among Haemophilus influenzae Type b from Patients with Meningitis in The Netherlands

L van Alphen, Tineke Riemens, Jan Poolman et al. · The Journal of Infectious Diseases · 1983 · 99 citations

Multiple Mechanisms of Phase Variation of PorA in <i>Neisseria meningitidis</i>

Arie van der Ende, C. T. P. Hopman, Jacob Dankert · Infection and Immunity · 2000 · 80 citations

Immunogenicity of meningococcal antigens as detected in patient sera

Jan Poolman, C. T. P. Hopman, H. C. Zanen · Infection and Immunity · 1983 · 78 citations · Full text

Vaccination, Allergy, Medicine +13