Gre Factors Are Required for Biofilm Formation in Salmonella enterica Serovar Typhimurium by Targeting Transcription of the csgD Gene
Abstract
:1. Introduction
2. Materials and Methods
2.1. The Bacterial Strains and Culture Media
2.2. Genetic Manipulations
2.3. Biofilm Formation, Detection and Quantification
2.4. β-Galactosidase Assay
2.5. Cellulose Quantification
2.6. Rdar Morphotype
2.7. Immunodetection of CsgD
2.8. Expression Analysis by qPCR
2.9. Statistical Analysis
3. Results and Discussion
3.1. Rdar Biofilm Formation Is Impaired in S. Typhimurium When Deficient for the Transcription Elongation Factors GreA and GreB
3.2. The Expression of CsgD, the Master Regulator of Biofilm Formation in S. Typhimurium Is Impaired in Strains Lacking the Gre Factors
3.3. The 5′-UTR of the csgD Gene Is Required for Stimulation of csgD Expression by the Gre Factors
4. Concluding Remarks
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Gaviria-Cantin, T.; Vargas, A.F.; Mouali, Y.E.; Jiménez, C.J.; Cimdins-Ahne, A.; Madrid, C.; Römling, U.; Balsalobre, C. Gre Factors Are Required for Biofilm Formation in Salmonella enterica Serovar Typhimurium by Targeting Transcription of the csgD Gene. Microorganisms 2022, 10, 1921. https://doi.org/10.3390/microorganisms10101921
Gaviria-Cantin T, Vargas AF, Mouali YE, Jiménez CJ, Cimdins-Ahne A, Madrid C, Römling U, Balsalobre C. Gre Factors Are Required for Biofilm Formation in Salmonella enterica Serovar Typhimurium by Targeting Transcription of the csgD Gene. Microorganisms. 2022; 10(10):1921. https://doi.org/10.3390/microorganisms10101921
Chicago/Turabian StyleGaviria-Cantin, Tania, Andrés Felipe Vargas, Youssef El Mouali, Carlos Jonay Jiménez, Annika Cimdins-Ahne, Cristina Madrid, Ute Römling, and Carlos Balsalobre. 2022. "Gre Factors Are Required for Biofilm Formation in Salmonella enterica Serovar Typhimurium by Targeting Transcription of the csgD Gene" Microorganisms 10, no. 10: 1921. https://doi.org/10.3390/microorganisms10101921