Intracellular and Extracellular Metabolic Response of the Lactic Acid Bacterium Weissella confusa Under Salt Stress
2024

Metabolic Response of Weissella confusa to Salt Stress

publication 10 minutes Evidence: moderate

Author Information

Author(s): Wang Ali, Du Qinqin, Li Xiaomin, Cui Yimin, Luo Jiahua, Li Cairong, Peng Chong, Zhong Xianfeng, Huang Guidong, Eisenreich Wolfgang

Primary Institution: School of Food Science and Engineering, Foshan University, Foshan, China

Hypothesis

What are the metabolic responses and mechanisms of Weissella confusa under salt stress?

Conclusion

Weissella confusa can survive high salt concentrations and alters its metabolism in response to salt stress.

Supporting Evidence

  • W. confusa can survive in saturated saline medium for 24 hours.
  • 42 different metabolites were identified in the cells and 18 in the culture medium.
  • Salt stress caused significant changes in both intracellular and extracellular metabolites.

Takeaway

This study shows that a type of bacteria called Weissella confusa can live in salty environments and changes how it works inside when it gets too salty.

Methodology

The study compared growth performance and metabolite profiles of Weissella confusa in NaCl-free and 35% NaCl-treated groups using viable cell counts and liquid chromatography-mass spectrometry.

Limitations

The study primarily focused on one strain of Weissella confusa and specific salt concentrations, which may limit the generalizability of the findings.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/metabo14120695

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