ArticleMolecular microbiology2008
Type III secretion system 1 genes in Vibrio parahaemolyticus are positively regulated by ExsA and negatively regulated by ExsD.
Article in Molecular microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed, 89 citations in OpenAlex.
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- The Diverse Roles of the Histone-Like Nucleoid Structuring (H-NS) Protein inGenetics research · 2026Review
- Direct sensing of host ferric iron by an archetype histidine kinase mediates virulence of an enteric pathogen.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- ArcB initiates quorum sensing to regulate T3SS in Vibrio alginolyticus by recognizing bacterial and host-derived autoinducer-2 as a kinase.Cell communication and signaling : CCS · 2025Article
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- Sublethal Curcumin Exposure Induces Global Gene Expression and Biofilm-Related Phenotypic Changes in Vibrio parahaemolyticus.Current microbiology · 2025Article
- Pathogenic mechanisms ofZoological research · 2025Article
- BolA-like protein (IbaG) promotes biofilm formation and pathogenicity ofFrontiers in microbiology · 2024Article
- ArcB orchestrates the quorum-sensing system to regulate type III secretion system 1 inGut microbes · 2023Article
- Transcriptomic Profiles of Vibrio parahaemolyticus During Biofilm Formation.Current microbiology · 2023Article
- Attenuation of a DNA cruciform by a conserved regulator directs T3SS1 mediated virulence in Vibrio parahaemolyticus.Nucleic acids research · 2023Article
- Effect of sublethal dose of chloramphenicol on biofilm formation and virulence inFrontiers in microbiology · 2023Article
- Transcriptomic Analysis of Vibrio parahaemolyticus Underlying the Wrinkly and Smooth Phenotypes.Microbiology spectrum · 2022Article
- Gene Regulatory Network of the Noncoding RNAMicroorganisms · 2022Article
- Characterization of GefA, a GGEEF Domain-Containing Protein That Modulates Vibrio parahaemolyticus Motility, Biofilm Formation, and Virulence.Applied and environmental microbiology · 2022Article
- Functional characterization ofFrontiers in veterinary science · 2022Article
- Identification of a novel bacterial receptor that binds tail tubular proteins and mediates phage infection ofEmerging microbes & infections · 2020Article
- S-nitrosylation-mediated activation of a histidine kinase represses the type 3 secretion system and promotes virulence of an enteric pathogen.Nature communications · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Vibrio parahaemolyticus harbours two distinct type III secretion systems (T3SS1 and T3SS2). A subset of 10 T3SS1 genes are transcribed when V. parahaemolyticus is grown in tissue culture medium [Dulbecco's modified Eagle's medium (DMEM)], while transcription of these genes (except exsD) is minimal upon growth in Luria-Bertani-Salt (LB-S). Transcription of T3SS1 genes and cytotoxicity towards HeLa cells was prevented by deletion of exsA while complementation with exsA restored these traits. Overexpression of ExsA in the wild-type strain, NY-4, activated the transcription of T3SS1 genes when bacteria were grown in LB-S. Thus, ExsA is necessary and sufficient to induce the transcription of T3SS1 genes. Deletion of the exsD permitted the transcription of T3SS1 genes when bacteria were grown in the LB-S medium and complementation with the wild-type exsD gene-blocked transcription of T3SS1 genes. Overexpression of ExsD in NY-4 prevented the transcription of T3SS1 gene when bacteria were grown in DMEM. A gel mobility shift assay demonstrated that purified ExsA protein binds a novel motif in the upstream region of vp1668 and vp1687, indicating that ExsA interacts directly with the promoter sequences of T3SS1 genes. ExsA positively regulates the expression and secretion of Vp1656 while ExsD negatively regulates the expression and secretion of Vp1656.
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