Evidence map›Paper›PMID 25402827›Full record

ArticleMarine drugs2014

High levels of structural diversity observed in microcystins from Microcystis CAWBG11 and characterization of six new microcystin congeners.

Jonathan Puddick, Michèle R Prinsep, Susanna A Wood, Sangata A F Kaufononga, Stephen Craig Cary, David P Hamilton

Open access · goldAbstract read
In one paragraph

Article in Marine drugs, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed
18.4field-weighted citation impact, top 1% 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

46 citing papers in PubMed, 187 citations in OpenAlex.

  1. Secondary metabolism ofApplied and environmental microbiology · 2026
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  16. Selective removal of common cyanotoxins: a review.Environmental science and pollution research international · 2021
    Review
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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

6 authors at 2 institutions in 1 country.

Jonathan PuddickCawthron Institute, Private Bag 2, Nelson 7010, New Zealand. jonathan.puddick@cawthron.org.nz.
Michèle R PrinsepChemistry Department, School of Science, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand. m.prinsep@waikato.ac.nz.
Susanna A WoodCawthron Institute, Private Bag 2, Nelson 7010, New Zealand. caryc@waikato.ac.nz.
Sangata A F KaufonongaChemistry Department, School of Science, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand. sfk1@students.waikato.ac.nz.
Stephen Craig CaryBiology Department, School of Science, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand. caryc@waikato.ac.nz.
David P HamiltonEnvironmental Research Institute, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand. d.hamilton@waikato.ac.nz.
University of Waikato · NZCawthron Institute · NZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Microcystins (MCs) are cyclic peptides produced by cyanobacteria, which can be harmful to humans and animals when ingested. Differences in the coding of the non‑ribosomal peptide synthetase/polyketide synthase enzyme complex responsible for microcystin production have resulted in more than 100 microcystin variants being reported to date. The microcystin diversity of Microcystis CAWBG11 was investigated using matrix-assisted laser desorption/ionization-time of flight mass spectrometry and liquid chromatography-mass spectrometry. This revealed that CAWBG11 simultaneously produced 21 known microcystins and six new congeners: [Asp3] MC-RA, [Asp3] MC-RAba, [Asp3] MC-FA, [Asp3] MC-WA, MC-FAba and MC-FL. The new congeners were putatively characterized by tandem mass spectrometry and chemical derivatization. A survey of the microcystin congeners produced by 49 cyanobacterial strains documented in scientific literature showed that cyanobacteria generally produce four microcystin congeners, but strains which produce up to 47 microcystin congeners have been reported. Microcystis CAWBG11 (which produces at least 27 congeners) was positioned in the top ten percentile of the strains surveyed, and showed fluidity of the amino acids incorporated into both position two and position four.

Indexed as

Amino Acid SequenceChromatography, LiquidCyanobacteriaMass SpectrometryMicrocystinsMicrocystisSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTandem Mass SpectrometryMicrocystins

Identifiers

PMID25402827
PMCPMC4245536
OpenAlexW2020660495

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.