What question did this study set out to answer?

To investigate how stress response genes influence the resistance and germination properties of Bacillus subtilis spores.

April 4, 2026MicroorganismsOpen Access

Role of Stress Response Genes in Resistance and Germination of Bacillus subtilis Spores

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Authors

PGPaula GómaraUniversidad de Zaragoza EPEmma PinillaUniversidad de Zaragoza JBJorge BellónUniversidad de Zaragoza

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Implication

Experimental evaluation of stress response genes impacting spore properties in Bacillus subtilis, suggesting new insights into bacterial survival mechanisms.

Key Points

To investigate how stress response genes influence the resistance and germination properties of Bacillus subtilis spores.
Examined mutant spores lacking key stress response regulators.
Tested spore heat resistance and germination under optimal conditions.
Utilized the deletion of RsbX to activate the SigB-mediated stress response.
Deleting RsbX reduced spore heat resistance by 2.2-fold compared to the parental strain.
Impairment in nutrient-induced and CaDPA-induced germination observed in ΔrsbX spores.
Stress response regulators affect spore properties differently than vegetative cells.

Cite This Study

Gómara et al. (2026) studied this question.

synapsesocial.com/papers/69d0aefd659487ece0fa4ec4 https://doi.org/10.3390/microorganisms14040805

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Implication

Experimental evaluation of stress response genes impacting spore properties in Bacillus subtilis, suggesting new insights into bacterial survival mechanisms.

Role of Stress Response Genes in Resistance and Germination of Bacillus subtilis Spores

Discussion

Member takes

Implication

Key Points

Cite This Study

Role of Stress Response Genes in Resistance and Germination of Bacillus subtilis Spores

Discussion

Member takes

Implication

Key Points

Cite This Study

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