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Galleria Mellonella as a Model Host to Study Gut Microbe Homeostasis and Brain Infection by the Human Pathogen Listeria Monocytogenes

  • Krishnendu Mukherjee
  • Ramya Raju
  • Rainer Fischer
  • Andreas Vilcinskas
Part of the Advances in Biochemical Engineering/Biotechnology book series (ABE, volume 135)

Abstract

The gastrointestinal tract in both mammals and insects is associated with microbes (collectively the microbiota), which are controlled by the intestinal immune system. These microbes regulate pathogens that can infect gut epithelial cells, and there is increasing evidence for a reciprocal relationship between beneficial and pathogenic bacteria in the gut and the intestinal immune system. Deciphering these complex interactions between the microbiota and intestinal immune system in mammals requires surrogate model systems, such as larvae of the greater wax moth Galleria mellonella. The exposure of G. mellonella microbiota to antibiotics induces immunity and stress-related genes in the intestine. The model can also provide insight into the virulence mechanisms of pathogens such as Listeria monocytogenes in the human gut and brain. We also discuss the current uses of G. mellonella as a model to develop therapeutic strategies against listeriosis.

Graphical Abstract

Keywords

Blood–brain barrier Galleria mellonella Gut-microbe homeostasis Listeria monocytogenes 

Abbreviations

CNS

Central nervous system

AMP

Antimicrobial peptide

Notes

Acknowledgments

The authors acknowledge financial support from the Hessian Ministry of Science and Art (HMWK) via the collaborative research projects granted under the LOEWE programs “Insect Biotechnology” (Insektenbiotechnologie) and “Translational Pharmaceutical Research” (Angewandte Arzneimittelforschung). The authors thank Dr Richard M Twyman for editing the manuscript.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Krishnendu Mukherjee
    • 1
  • Ramya Raju
    • 2
  • Rainer Fischer
    • 1
    • 3
  • Andreas Vilcinskas
    • 1
    • 2
  1. 1.Department of BioresourcesFraunhofer Institute for Molecular Biology and Applied EcologyGiessenGermany
  2. 2.Institute of Phytopathology and Applied ZoologyJustus-Liebig-University of GiessenGiessenGermany
  3. 3.Department of Molecular BiologyFraunhofer Institute for Molecular Biology and Applied EcologyAachenGermany

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