Evidence map›Paper›PMID 39186812›Full record

ArticlePLoS pathogens2024

Multiple resistance factors collectively promote inoculum-dependent dynamic survival during antimicrobial peptide exposure in Enterobacter cloacae.

Andrew N Murtha, Misha I Kazi, Eileen Y Kim, Facundo V Torres, Kelly M Rosch, Tobias Dörr

Abstract read
In one paragraph

Article in PLoS pathogens, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Andrew N MurthaWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.
Misha I KaziWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.
Eileen Y KimWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.
Facundo V TorresWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.
Kelly M RoschWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.
Tobias DörrWeill Institute for Cell and Molecular Biology, Cornell University, Ithaca, New York, United States of America.ORCID 0000-0003-3283-9161

Funding

Cell envelope stress responses and the mechanism of antibiotic tolerance in Gram-negative pathogensR01AI143704 · NIAID · CORNELL UNIVERSITY · PI DOERR, TOBIAS · 2019 to 2023
$2.0M
NIAID NIH HHS R01 AI143704
6 · The paper itself

Abstract

Antimicrobial peptides (AMPs) are a promising tool with which to fight rising antibiotic resistance. However, pathogenic bacteria are equipped with several AMP defense mechanisms, whose contributions to AMP resistance are often poorly defined. Here, we evaluate the genetic determinants of resistance to an insect AMP, cecropin B, in the opportunistic pathogen Enterobacter cloacae. Single-cell analysis of E. cloacae's response to cecropin revealed marked heterogeneity in cell survival, phenotypically reminiscent of heteroresistance (the ability of a subpopulation to grow in the presence of supra-MIC concentration of antimicrobial). The magnitude of this response was highly dependent on initial E. cloacae inoculum. We identified 3 genetic factors which collectively contribute to E. cloacae resistance in response to the AMP cecropin: The PhoPQ-two-component system, OmpT-mediated proteolytic cleavage of cecropin, and Rcs-mediated membrane stress response. Altogether, our data suggest that multiple, independent mechanisms contribute to AMP resistance in E. cloacae.

Indexed as

Antimicrobial PeptidesEnterobacter cloacaeAnimalsAnti-Bacterial AgentsBacterial ProteinsDrug Resistance, BacterialEnterobacteriaceae InfectionsInsect ProteinsMicrobial Sensitivity TestsAnti-Bacterial AgentsAntimicrobial PeptidesBacterial Proteinscecropin B protein, InsectaInsect Proteins

Identifiers

PMID39186812
PMCPMC11379400

What Socratic holds

Textmetadata
LicenceCC BY
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.