Deciphering the intracellular metabolism of Listeria monocytogenes by mutant screening and modelling
2010

Understanding Listeria monocytogenes' Growth Inside Cells

Sample size: 1491 publication 10 minutes Evidence: high

Author Information

Author(s): Kristina Schauer, Gernot Geginat, Chunguang Liang, Werner Goebel, Thomas Dandekar, Thilo M. Fuchs

Primary Institution: Zentralinstitut für Ernährungs- und Lebensmittelforschung (ZIEL), Technische Universität München

Hypothesis

What genes are required for the intracellular replication of Listeria monocytogenes?

Conclusion

The study found that various transporters and metabolic pathways are crucial for Listeria monocytogenes to thrive inside host cells.

Supporting Evidence

  • 141 genes were identified that affect cell invasion or intracellular replication.
  • The study utilized a comprehensive library of L. monocytogenes strain EGD knockout mutants.
  • Mathematical modeling was applied to understand the metabolic pathways involved.

Takeaway

This study shows that Listeria bacteria need special tools to eat and grow inside our cells, like tiny transporters that help them get nutrients.

Methodology

The researchers created a library of Listeria monocytogenes mutants and tested their ability to invade and replicate in Caco-2 cells.

Potential Biases

Potential bias in the selection of mutants and the specific conditions of the assays.

Limitations

The study may not account for all environmental factors affecting Listeria growth in vivo.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-11-573

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