Phagocytosis of Vibrio cholerae O139 Bengal by Human Polymorphonuclear Leukocytes

Author:

Albert M. John1,Qadri Firdausi1,Bhuiyan Nurul A.1,Ahmad Shaikh M.1,Ansaruzzaman M.1,Weintraub Andrej2

Affiliation:

1. Laboratory Sciences Division, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh,1 and

2. Department of Immunology, Microbiology, Pathology, and Infectious Diseases, Division of Clinical and Oral Bacteriology, Karolinska Institute, Huddinge Hospital, S-14186 Huddinge, Sweden2

Abstract

ABSTRACT Capsulated bacteria exhibit serum (complement) resistance and resistance to phagocytosis, which result in disseminated infections. Vibrio cholerae O139 strains possess a thin capsule and have been found to be partially serum resistant in a previous study. In the present study, compared to a standard capsulated Klebsiella pneumoniae strain, which showed total resistance to killing by phagocytosis, V. cholerae O139 strains were shown to be only partially resistant, with most strains showing <40% survival. These findings may explain the relative rarity of V. cholerae O139 bacteremia in cholera caused by this organism.

Publisher

American Society for Microbiology

Subject

Microbiology (medical),Clinical Biochemistry,Immunology,Immunology and Allergy

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