Evidence map›Paper›PMID 26805858›Full record

ArticleMarine drugs2016

Effects of Halide Ions on the Carbamidocyclophane Biosynthesis in Nostoc sp. CAVN2.

Michael Preisitsch, Stefan E Heiden, Monika Beerbaum, Timo H J Niedermeyer, Marie Schneefeld, Jennifer Herrmann, Jana Kumpfmüller, Andrea Thürmer, Inga Neidhardt, Christoph Wiesner and 6 more

Open access · goldAbstract read
In one paragraph

Article in Marine drugs, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
4.9field-weighted citation impact, top 6% of its field
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

23 citing papers in PubMed, 46 citations in OpenAlex.

  1. Review
  2. Article
  3. Mining for Halogenated Metabolites ofJournal of natural products · 2025
    Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. New Nostocyclophanes fromMarine drugs · 2023
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Review
  17. Genome Analysis ofMicroorganisms · 2018
    Article
  18. Article
  19. Article
  20. 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

16 authors at 5 institutions in 1 country.

Michael PreisitschInstitute of Pharmacy, Department of Pharmaceutical Biology, Ernst-Moritz-Arndt-University, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany. michael.preisitsch@uni-greifswald.de.
Stefan E HeidenInstitute of Pharmacy, Department of Pharmaceutical Biotechnology, Ernst-Moritz-Arndt-University, Felix-Hausdorff-Straße 3, 17489 Greifswald, Germany. stefan.heiden@uni-greifswald.de.
Monika BeerbaumLeibniz Institute for Molecular Pharmacology (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany. beerbaum@fmp-berlin.de.
Timo H J NiedermeyerInterfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls University, Auf der Morgenstelle 28, 72076 Tübingen, Germany. timo.niedermeyer@uni-tuebingen.de.
Marie SchneefeldGerman Centre for Infection Research (DZIF), Partner Site Tübingen (T.H.J.N.) and Partner Site Hannover-Braunschweig, Germany. schneefeld.marie@mh-hannover.de.
Jennifer HerrmannGerman Centre for Infection Research (DZIF), Partner Site Tübingen (T.H.J.N.) and Partner Site Hannover-Braunschweig, Germany. jennifer.herrmann@helmholtz-hzi.de.
Jana KumpfmüllerInstitute of Pharmacy, Department of Pharmaceutical Biotechnology, Ernst-Moritz-Arndt-University, Felix-Hausdorff-Straße 3, 17489 Greifswald, Germany. jana.kumpfmueller@leibniz-hki.de.
Andrea ThürmerInstitute of Microbiology and Genetics, Department of Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Georg-August University, Grisebachstraße 8, 37077 Göttingen, Germany. athuerm@gwdg.de.
Inga NeidhardtInstitute of Pharmacy, Department of Pharmaceutical Biology, Ernst-Moritz-Arndt-University, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany. i.neidhardt@tu-braunschweig.de.
Christoph WiesnerSealife PHARMA GmbH, Technopark 1/Obj.C/EG, 3430 Tulln, Austria. wiesner@sealifepharma.com.
Rolf DanielInstitute of Microbiology and Genetics, Department of Genomic and Applied Microbiology and Göttingen Genomics Laboratory, Georg-August University, Grisebachstraße 8, 37077 Göttingen, Germany. rdaniel@gwdg.de.
Rolf MüllerGerman Centre for Infection Research (DZIF), Partner Site Tübingen (T.H.J.N.) and Partner Site Hannover-Braunschweig, Germany. rolf.mueller@helmholtz-hzi.de.
Franz-Christoph BangeGerman Centre for Infection Research (DZIF), Partner Site Tübingen (T.H.J.N.) and Partner Site Hannover-Braunschweig, Germany. bange.franz@mh-hannover.de.
Peter SchmiederLeibniz Institute for Molecular Pharmacology (FMP), Robert-Rössle-Straße 10, 13125 Berlin, Germany. schmieder@fmp-berlin.de.
Thomas SchwederInstitute of Pharmacy, Department of Pharmaceutical Biotechnology, Ernst-Moritz-Arndt-University, Felix-Hausdorff-Straße 3, 17489 Greifswald, Germany. schweder@uni-greifswald.de.
Sabine MundtInstitute of Pharmacy, Department of Pharmaceutical Biology, Ernst-Moritz-Arndt-University, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany. smundt@uni-greifswald.de.
Universität Greifswald · DEGerman Center for Infection Research · DELeibniz Association · DEMedizinische Hochschule Hannover · DEUniversity of Göttingen · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, the influence of halide ions on [7.7]paracyclophane biosynthesis in the cyanobacterium Nostoc sp. CAVN2 was investigated. In contrast to KI and KF, supplementation of the culture medium with KCl or KBr resulted not only in an increase of growth but also in an up-regulation of carbamidocyclophane production. LC-MS analysis indicated the presence of chlorinated, brominated, but also non-halogenated derivatives. In addition to 22 known cylindrocyclophanes and carbamidocyclophanes, 27 putative congeners have been detected. Nine compounds, carbamidocyclophanes M-U, were isolated, and their structural elucidation by 1D and 2D NMR experiments in combination with HRMS and ECD analysis revealed that they are brominated analogues of chlorinated carbamidocyclophanes. Quantification of the carbamidocyclophanes showed that chloride is the preferably utilized halide, but incorporation is reduced in the presence of bromide. Evaluation of the antibacterial activity of 30 [7.7]paracyclophanes and related derivatives against selected pathogenic Gram-positive and Gram-negative bacteria exhibited remarkable effects especially against methicillin- and vancomycin-resistant staphylococci and Mycobacterium tuberculosis. For deeper insights into the mechanisms of biosynthesis, the carbamidocyclophane biosynthetic gene cluster in Nostoc sp. CAVN2 was studied. The gene putatively coding for the carbamoyltransferase has been identified. Based on bioinformatic analyses, a possible biosynthetic assembly is discussed.

Indexed as

Anti-Bacterial AgentsCulture MediaCyanobacteriaEthers, CyclicFluoridesHumansPotassium CompoundsPotassium IodideUp-RegulationAnti-Bacterial AgentsCulture MediaEthers, CyclicFluoridesPotassium Compoundspotassium fluoridePotassium Iodide[7.7]paracyclophanebioactivitybiosynthesisbromo-analoguecarbamidocyclophanegene clusterhalogenMRSAMycobacteriumNostoc sp.

Identifiers

PMID26805858
PMCPMC4728517
OpenAlexW2256296399

What OpenQuestion 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 OpenQuestion graph.