ArticlePloS one2014
Expanding the RpoS/σS-network by RNA sequencing and identification of σS-controlled small RNAs in Salmonella.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
33 citing papers in PubMed, 57 citations in OpenAlex.
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- RpoS impacts global gene expression and carbon source utilization inFrontiers in microbiology · 2025Article
- Control of iron acquisition by multiple small RNAs unravels a new role for transcriptional terminator loops in gene regulation.Nucleic acids research · 2024Article
- Succinate utilisation by Salmonella is inhibited by multiple regulatory systems.PLoS genetics · 2024Article
- Loss of CorA, the primary magnesium transporter of Salmonella, is alleviated by MgtA and PhoP-dependent compensatory mechanisms.PloS one · 2023Article
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- RpoS contributes in a host-dependent manner toFrontiers in microbiology · 2022Article
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- The genetic basis of phage susceptibility, cross-resistance and host-range inMicrobiology (Reading, England) · 2021Article
- Bacterial toxin-antitoxin modules: classification, functions, and association with persistence.Current research in microbial sciences · 2021Review
- Impact of the Resistance Responses to Stress Conditions Encountered in Food and Food Processing Environments on the Virulence and Growth Fitness of Non-TyphoidalFoods (Basel, Switzerland) · 2021Review
- Structure-based analyses of Salmonella RcsB variants unravel new features of the Rcs regulon.Nucleic acids research · 2021Article
- Salmonella enterica Serovars Dublin and Enteritidis Comparative Proteomics Reveals Differential Expression of Proteins Involved in Stress Resistance, Virulence, and Anaerobic Metabolism.Infection and immunity · 2021Article
- σFrontiers in microbiology · 2021Article
- Characterization of Basal Transcriptomes Identifies Potential Metabolic and Virulence-Associated Adaptations Among Diverse NontyphoidalFrontiers in microbiology · 2021Article
- RpoS-regulatedVirulence · 2020Article
- Identification of Novel Genes Mediating Survival ofFrontiers in microbiology · 2020Article
- Characterization of novel small RNAs (sRNAs) contributing to the desiccation response ofRNA biology · 2019Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The RpoS/σS sigma subunit of RNA polymerase (RNAP) controls a global adaptive response that allows many Gram-negative bacteria to survive starvation and various stresses. σS also contributes to biofilm formation and virulence of the food-borne pathogen Salmonella enterica serovar Typhimurium (S. Typhimurium). In this study, we used directional RNA-sequencing and complementary assays to explore the σS-dependent transcriptome of S. Typhimurium during late stationary phase in rich medium. This study confirms the large regulatory scope of σS and provides insights into the physiological functions of σS in Salmonella. Extensive regulation by σS of genes involved in metabolism and membrane composition, and down-regulation of the respiratory chain functions, were important features of the σS effects on gene transcription that might confer fitness advantages to bacterial cells and/or populations under starving conditions. As an example, we show that arginine catabolism confers a competitive fitness advantage in stationary phase. This study also provides a firm basis for future studies to address molecular mechanisms of indirect regulation of gene expression by σS. Importantly, the σS-controlled downstream network includes small RNAs that might endow σS with post-transcriptional regulatory functions. Of these, four (RyhB-1/RyhB-2, SdsR, SraL) were known to be controlled by σS and deletion of the sdsR locus had a competitive fitness cost in stationary phase. The σS-dependent control of seven additional sRNAs was confirmed in Northern experiments. These findings will inspire future studies to investigate molecular mechanisms and the physiological impact of post-transcriptional regulation by σS.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.