Evidence map›Paper›PMID 41211792›Full record

ArticleAngewandte Chemie (International ed. in English)2026

Inactivation of the Burkholderia Toxin Malleicyprol by Enzymatic Cyclopropanol Ring Opening.

Jonas Fiedler, Ingrid Richter, Katharina Dornblut, Alicia Scharf, Christian Hertweck

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

5 authors.

Jonas FiedlerDepartment of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstraße 11a, 07745, Jena, Germany.ORCID 0000-0002-3439-5210
Ingrid RichterDepartment of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstraße 11a, 07745, Jena, Germany.ORCID 0000-0001-7700-039X
Katharina DornblutDepartment of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstraße 11a, 07745, Jena, Germany.
Alicia ScharfDepartment of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstraße 11a, 07745, Jena, Germany.
Christian HertweckDepartment of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology (HKI), Beutenbergstraße 11a, 07745, Jena, Germany.ORCID 0000-0002-0367-337X

Funding

DFG 239748522-SFB 1127Germany's Excellence Strategy-EXC 2051 390713860
6 · The paper itself

Abstract

Pathogenic bacteria of the Burkholderia pseudomallei group cause life-threatening infections in humans and animals. Their virulence factors include malleicyprols bearing a reactive cyclopropanol moiety essential for toxicity. Inactivating this reactive motif, therefore, is a promising way to neutralize these toxins. Here, we identify a heme-dependent oxidoreductase (BurK) that cleaves the cyclopropanol warhead. Mutational analyses and in vivo radical capturing show that BurK catalyzes a radical ring opening to yield a propanone fragment. Characterizing BurK orthologs across various bacterial phyla suggests broader ecological roles of these unusual enzymes. Using a nematode model, we demonstrate that BurK-producing helper bacteria neutralize malleicyprols, significantly reducing toxicity and enhancing host survival. In addition to uncovering a novel biocatalyst, this work lays the foundation for antivirulence approaches using therapeutic microbes against antibiotic-resistant pathogens.

Indexed as

Bacterial ToxinsBurkholderia pseudomalleiOxidoreductasesAnimalsFuransPolyketidesBacterial ToxinsFuransmalleicyprolOxidoreductasesPolyketidesBiosynthesisCleavage reactionsOxidoreductasesRedox chemistryVirulence factor

Identifiers

PMID41211792
PMCPMC12790350

What OpenQuestion holds

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LicenceCC BY
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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 OpenQuestion graph.