Type III secretion, contact-dependent model for the intracellular development of chlamydia
2008

Understanding Chlamydia Development and Persistence

publication Evidence: moderate

Author Information

Author(s): Hoare Alexander, Timms Peter, Bavoil Patrik M, Wilson David P

Primary Institution: National Centre in HIV Epidemiology and Clinical Research, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia

Hypothesis

Spatial constraints within the chlamydial host cell inclusion predict interrupted development and persistence.

Conclusion

The study predicts that increasing the RB radius or the number of inclusions contributes to persistent infection in Chlamydia.

Supporting Evidence

  • The RB radius is the most important determinant of whether persistent infection would ensue.
  • Increasing the number of inclusions per infected cell contributes to the development of persistent infection.
  • The model predicts that persistence increases continuously with RB radius.

Takeaway

Chlamydia can grow in two ways: normally or in a persistent state. If the chlamydial particles get too big or there are too many of them, they can stop developing normally.

Methodology

A mathematical model was developed to simulate the chlamydial developmental cycle and predict outcomes based on various parameters.

Limitations

The model does not account for all biological conditions that may affect chlamydial development.

Digital Object Identifier (DOI)

10.1186/1471-2180-8-5

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