Evidence map›Paper›PMID 39657128›Full record

ArticleNucleic acids research2025

An sRNA overexpression library reveals AbnZ as a negative regulator of an essential translocation module in Caulobacter crescentus.

Manuel Velasco-Gomariz, Johannes Sulzer, Franziska Faber, Kathrin S Fröhlich

Abstract read
In one paragraph

Article in Nucleic acids research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Envelope destabilization by AcrABCommunications biology · 2026
    Article
  2. Review
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Manuel Velasco-GomarizInstitute of Microbiology, Friedrich Schiller University, 07743 Jena, Germany.ORCID 0000-0002-8505-191X
Johannes SulzerJulius-Maximilians-University of Würzburg, Faculty of Medicine, Institute for Hygiene and Microbiology, 97080 Würzburg, Germany.
Franziska FaberJulius-Maximilians-University of Würzburg, Faculty of Medicine, Institute for Hygiene and Microbiology, 97080 Würzburg, Germany.ORCID 0000-0002-8700-6522
Kathrin S FröhlichInstitute of Microbiology, Friedrich Schiller University, 07743 Jena, Germany.ORCID 0000-0003-2352-9751

Funding

Deutsche Forschungsgemeinschaft 390713860DFG FR 3502/2-1Thueringer Universitaets- und Landesbibliothek Jena
6 · The paper itself

Abstract

Small RNAs (sRNAs) play a crucial role in modulating target gene expression through short base-pairing interactions and serve as integral components of many stress response pathways and regulatory circuits in bacteria. Transcriptome analyses have facilitated the annotation of dozens of sRNA candidates in the ubiquitous environmental model bacterium Caulobacter crescentus, but their physiological functions have not been systematically investigated so far. To address this gap, we have established CauloSOEP, a multi-copy plasmid library of C. crescentus sRNAs, which can be studied in a chosen genetic background and under select conditions. Demonstrating the power of CauloSOEP, we identified sRNA AbnZ to impair cell viability and morphology. AbnZ is processed from the 3' end of the polycistronic abn mRNA encoding the tripartite envelope-spanning efflux pump AcrAB-NodT. A combinatorial approach revealed the essential membrane translocation module TamAB as a target of AbnZ, implying that growth inhibition by AbnZ is linked to repression of this system.

Indexed as

Bacterial ProteinsCaulobacter crescentusGene Expression Regulation, BacterialRNA, BacterialRNA, Small UntranslatedGene LibraryRNA, MessengerBacterial ProteinsRNA, BacterialRNA, MessengerRNA, Small Untranslated

Identifiers

PMID39657128
PMCPMC11724286

What Socratic holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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 Socratic graph.