Changes in Gene Expression during Adaptation of Listeria monocytogenes to the Soil Environment
2011

How Listeria monocytogenes Adapts to Soil

publication Evidence: high

Author Information

Author(s): Piveteau Pascal, Depret Géraldine, Pivato Barbara, Garmyn Dominique, Hartmann Alain

Primary Institution: Université de Bourgogne, UMR 1229, Dijon, France

Hypothesis

What are the transcriptional modifications of Listeria monocytogenes during its adaptation to soil environments?

Conclusion

Listeria monocytogenes shows significant transcriptional changes when adapting to soil, which may enhance its survival and growth in this environment.

Supporting Evidence

  • Listeria monocytogenes populations increased significantly in soil microcosms within 24 hours.
  • Transcriptional modifications were observed with over 2000 genes showing changes after 18 hours in soil extracts.
  • Key nutrient acquisition mechanisms were activated in response to soil conditions.

Takeaway

This study shows that Listeria monocytogenes can change how it behaves when it is in soil, helping it to survive and grow better there.

Methodology

Whole-genome microarrays were used to analyze transcriptome modifications at different time points after inoculation in soil extracts.

Limitations

The study primarily focuses on specific time points and may not capture all aspects of adaptation over longer periods.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024881

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