Bacterium of one thousand and one variants: genetic diversity of Neisseria gonorrhoeae pathogenicity.

Author:

Kurzyp Kacper1ORCID,Harrison Odile B.23ORCID

Affiliation:

1. Sir William Dunn School of Pathology, University of Oxford, Oxford, UK

2. Department of Biology, University of Oxford, Oxford, UK

3. Nuffield Department of Population Health, University of Oxford, Oxford, UK

Abstract

The bacterium Neisseria gonorrhoeae causes the sexually transmitted infection gonorrhoea. Although diverse clinical manifestations are associated with gonorrhoea, ranging from asymptomatic through to localized and disseminated infection, very little is known about the bacterial determinants implicated in causing such different clinical symptoms. In particular, virulence factors, although defined and investigated in particular strains, often lack comprehensive analysis of their genetic diversity and how this relates to particular disease states. This review examines the clinical manifestations of gonorrhoea and discusses them in relation to disease severity and association with expression of particular virulence factors including PorB, lipooligosaccharide (LOS) and Opa, both in terms of their mechanisms of action and inter- and intra-strain variation. Particular attention is paid to phase variation as a key mechanism of genetic variation in the gonococcus and the impact of this during infection. We describe how whole-genome-sequence-based approaches that focus on virulence factors can be employed for vaccine development and discuss whether whole-genome-sequence data can be used to predict the severity of gonococcal infection.

Funder

Wellcome Trust

University of Oxford

Publisher

Microbiology Society

Subject

General Medicine

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