ArticleCommunications biology2023
Nitric oxide is a host cue for Salmonella Typhimurium systemic infection in mice.
Article in Communications biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 17 citations in OpenAlex.
- ProbeST: a custom probe design pipeline for dual host-pathogen Spatial Transcriptomics.BMC genomics · 2026Article
- Calpain-2 facilitates infection of the intracellular bacteria Listeria monocytogenes and invasion intestinal immune barrier by impairing nitric oxide homeostasis.Journal of advanced research · 2026Article
- Assessing the cytotoxicity and apoptosis-inducing ability of solar irradiated Salmonella Typhimurium in the RAW264.7 cell line in vitro.Scientific reports · 2026Article
- Asiatic Acid AttenuatesInternational journal of molecular sciences · 2026Article
- Differences between human and rodent nitric oxide production dictate susceptibility to tick-bornebioRxiv : the preprint server for biology · 2025Article
- Article
- Transcriptome Analysis Reveals the Effect of PdhR inInternational journal of molecular sciences · 2023Article
- Article
Corrections and comments
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nitric oxide (NO) is produced as an innate immune response against microbial infections. Salmonella Typhimurium (S. Typhimurium), the major causative pathogen of human gastroenteritis, induces more severe systemic disease in mice. However, host factors contributing to the difference in species-related virulence are unknown. Here, we report that host NO production promotes S. Typhimurium replication in mouse macrophages at the early infection stage by activating Salmonella pathogenicity island-2 (SPI-2). The NO signaling-induced SPI-2 activation is mediated by Fnr and PhoP/Q two-component system. NO significantly induced fnr transcription, while Fnr directly activated phoP/Q transcription. Mouse infection assays revealed a NO-dependent increase in bacterial burden in systemic organs during the initial days of infection, indicating an early contribution of host NO to virulence. This study reveals a host signaling-mediated virulence activation pathway in S. Typhimurium that contributes significantly to its systemic infection in mice, providing further insights into Salmonella pathogenesis and host-pathogen interaction.
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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.