Evidence map›Paper›PMID 28900131›Full record

ArticleScientific reports2017

Partitioning the roles of CYP6G1 and gut microbes in the metabolism of the insecticide imidacloprid in Drosophila melanogaster.

Roberto Fusetto, Shane Denecke, Trent Perry, Richard A J O'Hair, Philip Batterham

Abstract read
In one paragraph

Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

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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

5 authors.

Roberto FusettoSchool of Chemistry, Bio21 Institute of Molecular Science and Biotechnology, University of Melbourne, Melbourne, Victoria, 3010, Australia.ORCID 0000-0001-6449-8192
Shane DeneckeSchool of Bioscience, Bio21 Institute of Molecular Science and Biotechnology, University of Melbourne, Melbourne, Victoria, 3010, Australia.
Trent PerrySchool of Bioscience, Bio21 Institute of Molecular Science and Biotechnology, University of Melbourne, Melbourne, Victoria, 3010, Australia.
Richard A J O'HairSchool of Chemistry, Bio21 Institute of Molecular Science and Biotechnology, University of Melbourne, Melbourne, Victoria, 3010, Australia.
Philip BatterhamSchool of Bioscience, Bio21 Institute of Molecular Science and Biotechnology, University of Melbourne, Melbourne, Victoria, 3010, Australia. p.batterham@unimelb.edu.au.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Resistance to insecticides through enhanced metabolism is a worldwide problem. The Cyp6g1 gene of the vinegar fly, Drosophila melanogaster, is a paradigm for the study of metabolic resistance. Constitutive overexpression of this gene confers resistance to several classes of insecticides, including the neonicotinoid imidacloprid (IMI). The metabolism of IMI in this species has been previously shown to yield oxidative and nitro-reduced metabolites. While levels of the oxidative metabolites are correlated with CYP6G1 expression, nitro-reduced metabolites are not, raising the question of how these metabolites are produced. Some IMI metabolites are known to be toxic, making their fate within the insect a second question of interest. These questions have been addressed by coupling the genetic tools of gene overexpression and CRISPR gene knock-out with the mass spectrometric technique, the Twin-Ion Method (TIM). Analysing axenic larvae indicated that microbes living within D. melanogaster are largely responsible for the production of the nitro-reduced metabolites. Knock-out of Cyp6g1 revealed functional redundancy, with some metabolites produced by CYP6G1 still detected. IMI metabolism was shown to produce toxic products that are not further metabolized but readily excreted, even when produced in the Central Nervous System (CNS), highlighting the significance of transport and excretion in metabolic resistance.

Indexed as

Gastrointestinal MicrobiomeAllelesAnimalsChromatography, LiquidCytochrome P-450 Enzyme SystemDrosophila melanogasterDrosophila ProteinsGene ExpressionGene Knockout TechniquesGenotypeInactivation, MetabolicInsecticidesKineticsLarvaMass SpectrometryNeonicotinoidsCyp6g1 protein, DrosophilaCytochrome P-450 Enzyme SystemDrosophila ProteinsimidaclopridInsecticidesNeonicotinoidsNitro Compounds

Identifiers

PMID28900131
PMCPMC5595926

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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.