Modelling growth of two Listeria monocytogenes strains, persistent and non-persistent: Effect of temperature
2024

Growth of Listeria monocytogenes Strains at Different Temperatures

Sample size: 63 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ľubomír Valík, Jana Minarovičová, Eva Kaclíková, Adriana Véghová, Tomáš Kuchta

Primary Institution: Slovak University of Technology

Hypothesis

Can persistent and non-persistent strains of Listeria monocytogenes grow differently at various temperatures?

Conclusion

The study found that persistent strains of Listeria monocytogenes had significantly higher growth rates than non-persistent strains at temperatures above 37 °C.

Supporting Evidence

  • Persistent strains showed higher growth rates at temperatures above 37 °C.
  • Statistically significant differences were found at 40 °C and 43 °C.
  • Growth parameters were similar in suboptimal temperature ranges.

Takeaway

This study looked at how two types of Listeria bacteria grow in different temperatures, finding that one type grows better when it's really warm.

Methodology

The study used primary and secondary mathematical modeling to analyze the growth of two Listeria strains in different media and temperatures.

Potential Biases

Potential bias in strain selection and environmental conditions during experiments.

Limitations

The study primarily focused on two strains and may not represent all Listeria monocytogenes strains.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.heliyon.2024.e40936

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