ArticleJournal of bacteriology2023
NlpE Is an OmpA-Associated Outer Membrane Sensor of the Cpx Envelope Stress Response.
Article in Journal of bacteriology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 18 citations in OpenAlex.
- OmpK35/36 modulate the virulence of hypervirulent Klebsiella pneumoniae by regulating capsular polysaccharide export.BMC microbiology · 2026Article
- Lactulose-Induced Transcriptional Reprogramming and Repression of Persistence-Associated Phenotypes in Non-TyphoidalPathogens (Basel, Switzerland) · 2026Article
- Periplasmic crowding and peptidoglycan hydrolase activity as drivers of outer membrane vesiculation in Acinetobacter baumannii.Communications biology · 2026Article
- Asymmetric envelope surface disposition of secreted protein YjbI controls bimodal antibiotic susceptibilities in C. crescentus.The EMBO journal · 2026Article
- ThemBio · 2026Article
- Article
- The two-component system CpxAR controls biofilm formation by directly regulating the T3SS needle tip protein EseB inApplied and environmental microbiology · 2025Article
- The carRS-ompV-virK operon of Vibrio cholerae senses antimicrobial peptides and activates the expression of multiple resistance systems.Scientific reports · 2025Article
- Regulatory role of the Cpx ESR in bacterial behaviours.Virulence · 2024Review
- The Role of Propionate-Induced Rearrangement of Membrane Proteins in the Formation of the Virulent Phenotype of Crohn's Disease-Associated Adherent-InvasiveInternational journal of molecular sciences · 2024Article
- A genetic screen identifies a role for oprF in Pseudomonas aeruginosa biofilm stimulation by subinhibitory antibiotics.NPJ biofilms and microbiomes · 2024Article
- Article
- Molecular insights into Escherichia coli Cpx envelope stress response activation by the sensor lipoprotein NlpE.Molecular microbiology · 2023Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gram-negative bacteria utilize several envelope stress responses (ESRs) to sense and respond to diverse signals within a multilayered cell envelope. The CpxRA ESR responds to multiple stresses that perturb envelope protein homeostasis. Signaling in the Cpx response is regulated by auxiliary factors, such as the outer membrane (OM) lipoprotein NlpE, an activator of the response. NlpE communicates surface adhesion to the Cpx response; however, the mechanism by which NlpE accomplishes this remains unknown. In this study, we report a novel interaction between NlpE and the major OM protein OmpA. Both NlpE and OmpA are required to activate the Cpx response in surface-adhered cells. Furthermore, NlpE senses OmpA overexpression and the NlpE C-terminal domain transduces this signal to the Cpx response, revealing a novel signaling function for this domain. Mutation of OmpA peptidoglycan-binding residues abrogates signaling during OmpA overexpression, suggesting that NlpE signaling from the OM through the cell wall is coordinated via OmpA. Overall, these findings reveal NlpE to be a versatile envelope sensor that takes advantage of its structure, localization, and cooperation with other envelope proteins to initiate adaptation to diverse signals.
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