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Leptospiral extracellular matrix adhesins as mediators of pathogen-host interactions

Monica L Vieira1, Luis G Fernandes, Renan F Domingos

  • 1Centro de Biotecnologia, Instituto Butantan, São Paulo, SP, Brazil.

FEMS Microbiology Letters
|December 3, 2013
PubMed

Insights

Leptospira bacteria attach to host tissues using specific proteins that bind to extracellular matrix components. These interactions are crucial for bacterial colonization, spread, and immune evasion during leptospirosis infection.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Pathogenesis

Background:

  • Leptospirosis is a significant zoonotic disease affecting humans and animals globally.
  • Bacterial attachment to host tissues is a key step in infectious disease development.

Purpose of the Study:

  • To review current knowledge on Leptospira attachment to extracellular matrix (ECM) components.
  • To discuss the role of these interactions in leptospiral pathogenesis.

Main Methods:

  • Literature review of studies on Leptospira-ECM interactions.
  • Analysis of identified bacterial adhesins and their binding specificities.

Main Results:

  • Leptospiral proteins exhibit diverse binding specificities for ECM molecules, including laminin.
  • Some proteins bind broadly to ECM components like laminin, fibronectin, and collagen.
  • Multifunctional proteins target plasminogen/plasmin and complement regulators, aiding dissemination and immune evasion.

Conclusions:

  • Leptospiral ECM-binding proteins are critical for host tissue colonization.
  • These proteins contribute to bacterial dissemination and immune evasion mechanisms.
  • Understanding these interactions enhances knowledge of leptospiral pathogenesis.
Keywords:
bacterial diseasesinfectious diseasesleptospirosis

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