A Murine Mycobacterium marinum Infection Model for Longitudinal Analyses of Disease Development and the Inflammatory Response

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Mycobacterial infections, including tuberculosis, are a major health problem globally. Prevention and treatments of tuberculosis are challenging due to the poor efficacy of the current vaccine and the emergence of drug-resistant strains. Therefore, it is critical to increase our basic understanding of mycobacterial virulence strategies as well as the host immune response during infection in the complex in vivo setting. While existing infection models provide valuable tools for investigating mycobacterial pathogenesis, they also exhibit limitations that can be addressed by the development of complementary models. Here we describe recent advances to the murine Mycobacterium marinum infection model, in which the bacteria produce a local infection restricted to the tail tissue. The M. marinum model has the advantage of mimicking some of the key hallmarks of human tuberculosis not replicated in the conventional murine Mycobacterium tuberculosis model, such as the formation of granulomas with central caseating necrosis and the spontaneous development of a latency-like stage. Moreover, the model is non-lethal and enables longitudinal analysis of disease development in live animals. In this chapter, we report protocols to prepare infected tissue samples for detailed and quantitative analysis of the immune response by flow cytometry, immunofluorescence microscopy, RT-qPCR, ELISA, and Western blot, as well as for the analysis of bacterial load and localization.

Titel på värdpublikationBacterial Pathogenesis
Undertitel på värdpublikationMethods and Protocols
RedaktörerPontus Nordenfelt, Mattias Collin
UtgivningsortNew York, NY
FörlagHumana Press
Antal sidor14
ISBN (elektroniskt)978-1-0716-3243-7
ISBN (tryckt)978-1-0716-3245-1
StatusPublished - 2023


NamnMethods in Molecular Biology
ISSN (tryckt)1064-3745
ISSN (elektroniskt)1940-6029

Bibliografisk information

Publisher Copyright:
© 2023, The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature.

Ämnesklassifikation (UKÄ)

  • Mikrobiologi inom det medicinska området
  • Infektionsmedicin


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