Evidence map›Paper›PMID 22479459›Full record

ArticlePloS one2012

Fast and robust characterization of time-heterogeneous sequence evolutionary processes using substitution mapping.

Jonathan Romiguier, Emeric Figuet, Nicolas Galtier, Emmanuel J P Douzery, Bastien Boussau, Julien Y Dutheil, Vincent Ranwez

Abstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

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0cells of the map it votes in
31citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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3 · Its place in the literature

Who cites it

31 citing papers in PubMed.

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  13. Runaway GC Evolution in Gerbil Genomes.Molecular biology and evolution · 2020
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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Jonathan RomiguierInstitut des Sciences de l'Evolution de Montpellier, CNRS-Université Montpellier 2, Montpellier, France. jonathan.romiguier@univ-montp2.fr
Emeric Figuet
Nicolas Galtier
Emmanuel J P Douzery
Bastien Boussau
Julien Y Dutheil
Vincent Ranwez

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Genes and genomes do not evolve similarly in all branches of the tree of life. Detecting and characterizing the heterogeneity in time, and between lineages, of the nucleotide (or amino acid) substitution process is an important goal of current molecular evolutionary research. This task is typically achieved through the use of non-homogeneous models of sequence evolution, which being highly parametrized and computationally-demanding are not appropriate for large-scale analyses. Here we investigate an alternative methodological option based on probabilistic substitution mapping. The idea is to first reconstruct the substitutional history of each site of an alignment under a homogeneous model of sequence evolution, then to characterize variations in the substitution process across lineages based on substitution counts. Using simulated and published datasets, we demonstrate that probabilistic substitution mapping is robust in that it typically provides accurate reconstruction of sequence ancestry even when the true process is heterogeneous, but a homogeneous model is adopted. Consequently, we show that the new approach is essentially as efficient as and extremely faster than (up to 25 000 times) existing methods, thus paving the way for a systematic survey of substitution process heterogeneity across genes and lineages.

Indexed as

Evolution, MolecularGenetic HeterogeneityAmino Acid SubstitutionAnimalsBase CompositionCodonComputer SimulationDNA, MitochondrialDNA Mutational AnalysisHumansModels, GeneticRNA, Ribosomal, 18STime FactorsCodonDNA, MitochondrialRNA, Ribosomal, 18S

Identifiers

PMID22479459
PMCPMC3313935

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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.