ArticleBMC genomics2015
Transcriptomic changes of Legionella pneumophila in water.
Article in BMC genomics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
What it found
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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
26 citing papers in PubMed, 50 citations in OpenAlex.
- Regulation of ribosome hibernation controlsmBio · 2026Article
- LD-transpeptidase-mediated cell envelope remodeling enables developmental transitions and survival inJournal of bacteriology · 2025Article
- Legionella Survives and Elongates in Algal Consortia Containing Bacteria in Alkaline Oligotrophic Conditions.Microbes and environments · 2025Article
- Ecology ofBiofilm · 2024Review
- Article
- Gene expression changes throughout the life cycle allow a bacterial plant pathogen to persist in diverse environmental habitats.PLoS pathogens · 2023Article
- Development of heat-shock resistance inApplied and environmental microbiology · 2023Article
- Article
- Legionella pneumophila Cas2 Promotes the Expression of Small Heat Shock Protein C2 That Is Required for Thermal Tolerance and Optimal Intracellular Infection.Infection and immunity · 2022Article
- Investigation of Conditions for Capture of LiveBiosensors · 2022Article
- Knowledge to Predict Pathogens:Microorganisms · 2022Review
- The Tail-Specific Protease Is Important for Legionella pneumophila To Survive Thermal Stress in Water and inside Amoebae.Applied and environmental microbiology · 2021Article
- Aptamers and Aptamer-Coupled Biosensors to Detect Water-Borne Pathogens.Frontiers in microbiology · 2021Review
- Identification of two aptamers binding to Legionella pneumophila with high affinity and specificity.Scientific reports · 2020Article
- A Two-Component System That Modulates Cyclic di-GMP Metabolism Promotes Legionella pneumophila Differentiation and Viability in Low-Nutrient Conditions.Journal of bacteriology · 2019Article
- Density-dependent resistance protectseLife · 2019Article
- The LetA/S two-component system regulates transcriptomic changes that are essential for the culturability of Legionella pneumophila in water.Scientific reports · 2018Article
- The Legionella pneumophila genome evolved to accommodate multiple regulatory mechanisms controlled by the CsrA-system.PLoS genetics · 2017Article
- Review
- Phenotypic and Transcriptomic Responses ofFrontiers in microbiology · 2017Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLegionella pneumophila (Lp) is a water-borne opportunistic pathogen. In water, Lp can survive for an extended period of time until it encounters a permissive host. Therefore, identifying genes that are required for survival in water may help develop strategies to prevent Legionella outbreaks.
resultsWe compared the global transcriptomic response of Lp grown in a rich medium to that of Lp exposed to an artificial freshwater medium (Fraquil) for 2, 6 and 24 hours. We uncovered successive changes in gene expression required for the successful adaptation to a nutrient-limited water environment. The repression of major pathways involved in cell division, transcription and translation, suggests that Lp enters a quiescent state in water. The induction of flagella associated genes (flg, fli and mot), enhanced-entry genes (enh) and some Icm/Dot effector genes suggests that Lp is primed to invade a suitable host in response to water exposure. Moreover, many genes involved in resistance to antibiotic and oxidative stress were induced, suggesting that Lp may be more tolerant to these stresses in water. Indeed, Lp exposed to water is more resistant to erythromycin, gentamycin and kanamycin than Lp cultured in rich medium. In addition, the bdhA gene, involved in the degradation pathway of the intracellular energy storage compound polyhydroxybutyrate, is also highly expressed in water. Further characterization show that expression of bdhA during short-term water exposure is dependent upon RpoS, which is required for the survival of Lp in water. Deletion of bdhA reduces the survival of Lp in water at 37 °C.
conclusionsThe increase of antibiotic resistance and the importance of bdhA to the survival of Lp in water seem consistent with the observed induction of these genes when Lp is exposed to water. Other genes that are highly induced upon exposure to water could also be necessary for Lp to maintain viability in the water environment.
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Registered trials
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.