Evidence map›Paper›PMID 27503296›Full record

ArticleGenome biology and evolution2016

Comparative Large-Scale Mitogenomics Evidences Clade-Specific Evolutionary Trends in Mitochondrial DNAs of Bivalvia.

Federico Plazzi, Guglielmo Puccio, Marco Passamonti

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Article in Genome biology and evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

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34citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

34 citing papers in PubMed.

  1. Article
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  3. A complete mitochondrial DNA genome of a mangrove clamMitochondrial DNA. Part B, Resources · 2026
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  20. Linking paternally inherited mtDNA variants and sperm performance.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020
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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Federico PlazziDepartment of Biological, Geological and Environmental Sciences, University of Bologna, via Selmi, 3 - 40126 Bologna, Italy federico.plazzi@unibo.it.
Guglielmo PuccioDepartment of Biological, Geological and Environmental Sciences, University of Bologna, via Selmi, 3 - 40126 Bologna, Italy.
Marco PassamontiDepartment of Biological, Geological and Environmental Sciences, University of Bologna, via Selmi, 3 - 40126 Bologna, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Despite the figure of complete bivalve mitochondrial genomes keeps growing, an assessment of the general features of these genomes in a phylogenetic framework is still lacking, despite the fact that bivalve mitochondrial genomes are unusual under different aspects. In this work, we constructed a dataset of one hundred mitochondrial genomes of bivalves to perform the first systematic comparative mitogenomic analysis, developing a phylogenetic background to scaffold the evolutionary history of the class' mitochondrial genomes. Highly conserved domains were identified in all protein coding genes; however, four genes (namely, atp6, nad2, nad4L, and nad6) were found to be very divergent for many respects, notwithstanding the overall purifying selection working on those genomes. Moreover, the atp8 gene was newly annotated in 20 mitochondrial genomes, where it was previously declared as lacking or only signaled. Supernumerary mitochondrial proteins were compared, but it was possible to find homologies only among strictly related species. The rearrangement rate on the molecule is too high to be used as a phylogenetic marker, but here we demonstrate for the first time in mollusks that there is correlation between rearrangement rates and evolutionary rates. We also developed a new index (HERMES) to estimate the amount of mitochondrial evolution. Many genomic features are phylogenetically congruent and this allowed us to highlight three main phases in bivalve history: the origin, the branching of palaeoheterodonts, and the second radiation leading to the present-day biodiversity.

Indexed as

Evolution, MolecularGenome, MitochondrialAnimalsBivalviaMitochondrial ProteinsPhylogenyPolymorphism, GeneticMitochondrial Proteinsbivalvescomparative mitogenomicsHERMESmitochondrial genomicsphylogeny

Identifiers

PMID27503296
PMCPMC5010914

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