Evidence map›Paper›PMID 30108278›Full record

ArticleScientific reports2018

The complete methylome of an entomopathogenic bacterium reveals the existence of loci with unmethylated Adenines.

Amaury Payelleville, Ludovic Legrand, Jean-Claude Ogier, Céline Roques, Alain Roulet, Olivier Bouchez, Annabelle Mouammine, Alain Givaudan, Julien Brillard

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

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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

16 citing papers in PubMed.

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  15. The bacterial epigenome.Nature reviews. Microbiology · 2020
    Review
  16. 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

9 authors.

Amaury PayellevilleDGIMI, INRA, Univ. Montpellier, Montpellier, France.
Ludovic LegrandLIPM, Université de Toulouse, INRA, CNRS, Castanet-Tolosan, France.ORCID 0000-0001-9634-709X
Jean-Claude OgierDGIMI, INRA, Univ. Montpellier, Montpellier, France.
Céline RoquesGeT-PlaGe, INRA, US 1426, Genotoul, Castanet-Tolosan, France.
Alain RouletGeT-PlaGe, INRA, US 1426, Genotoul, Castanet-Tolosan, France.
Olivier BouchezGeT-PlaGe, INRA, US 1426, Genotoul, Castanet-Tolosan, France.
Annabelle MouammineDGIMI, INRA, Univ. Montpellier, Montpellier, France.
Alain GivaudanDGIMI, INRA, Univ. Montpellier, Montpellier, France.
Julien BrillardDGIMI, INRA, Univ. Montpellier, Montpellier, France. julien.brillard@umontpellier.fr.ORCID 0000-0001-9089-4834

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

DNA methylation can serve to control diverse phenomena in eukaryotes and prokaryotes, including gene regulation leading to cell differentiation. In bacteria, DNA methylomes (i.e., methylation state of each base of the whole genome) have been described for several species, but methylome profile variation during the lifecycle has rarely been studied, and only in a few model organisms. Moreover, major phenotypic changes have been reported in several bacterial strains with a deregulated methyltransferase, but the corresponding methylome has rarely been described. Here we report the first methylome description of an entomopathogenic bacterium, Photorhabdus luminescens. Eight motifs displaying a high rate of methylation (>94%) were identified. The methylome was strikingly stable over course of growth, but also in a subpopulation responsible for a critical step in the bacterium's lifecycle: successful survival and proliferation in insects. The rare unmethylated GATC motifs were preferentially located in putative promoter regions, and most of them were methylated after Dam methyltransferase overexpression, suggesting that DNA methylation is involved in gene regulation. Our findings bring key insight into bacterial methylomes and encourage further research to decipher the role of loci protected from DNA methylation in gene regulation.

Indexed as

DNA MethylationGene Expression Regulation, BacterialAdenineAnimalsDNA, BacterialGenetic LociGenome, BacterialInsectaNucleotide MotifsPhotorhabdusPromoter Regions, GeneticSite-Specific DNA-Methyltransferase (Adenine-Specific)Whole Genome SequencingAdenineDam methyltransferaseDNA, BacterialSite-Specific DNA-Methyltransferase (Adenine-Specific)

Identifiers

PMID30108278
PMCPMC6092372

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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.