Copyright: © 2015 SolÃ  et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.       The attached file is the published version of the article

A Marín

A Necşulea

AR Wey-Fabrizius

C Gissi

CM Barr

Cristina Frías-López

D Laslett

D. Timothy J. Littlewood

DC Shields

DS Lawrie

E Solà

Eduard Solà

ERM Tillier

F Abascal

F Wright

G Bernardi

H Chen

H Yamasaki

H-K Jeon

Hector Escriva

I Ruiz-Trillo

J Boore

J Zhang

Julio Rozas

JWO Ballard

L Bromham

LR Castro

M Bernt

M Dowton

M Nakao

M Riutort

M Sakai

M Stöck

M Weber

M Woolfit

M Álvarez-Presas

Marta Riutort

Marta Álvarez-Presas

MJ Telford

MP Francino

NT Perna

P Chomczynski

P Schattner

PM Sharp

R Schmieder

R Sluys

RD Page

S Breton

S Kang

S Wei

SK Wyman

SM Huse

T Huyse

T Le

TH Le

Y Bessho

Y-P Poh

PLoS ONE

English

PubMed

Solà Eduard

Álvarez-Presas Marta

Frías-López Cristina

Littlewood D. Timothy J.

Rozas Julio

Riutort Marta

Public Library of Science (PLOS)

Evolutionary Analysis of Mitogenomes from Parasitic and Free-Living Flatworms

<div><p>Mitochondrial genomes (mitogenomes) are useful and relatively accessible sources of molecular data to explore and understand the evolutionary history and relationships of eukaryotic organisms across diverse taxonomic levels. The availability of complete mitogenomes from Platyhelminthes is limited; of the 40 or so published most are from parasitic flatworms (Neodermata). Here, we present the mitogenomes of two free-living flatworms (Tricladida): the complete genome of the freshwater species <i>Crenobia alpina</i> (Planariidae) and a nearly complete genome of the land planarian <i>Obama</i> sp. (Geoplanidae). Moreover, we have reanotated the published mitogenome of the species <i>Dugesia japonica</i> (Dugesiidae). This contribution almost doubles the total number of mtDNAs published for Tricladida, a species-rich group including model organisms and economically important invasive species. We took the opportunity to conduct comparative mitogenomic analyses between available free-living and selected parasitic flatworms in order to gain insights into the putative effect of life cycle on nucleotide composition through mutation and natural selection. Unexpectedly, we did not find any molecular hallmark of a selective relaxation in mitogenomes of parasitic flatworms; on the contrary, three out of the four studied free-living triclad mitogenomes exhibit higher A+T content and selective relaxation levels. Additionally, we provide new and valuable molecular data to develop markers for future phylogenetic studies on planariids and geoplanids.</p></div

Eduard Solà (707121)

Marta Álvarez-Presas (707122)

Cristina Frías-López (707123)

D. Timothy J. Littlewood (51915)

Julio Rozas (42168)

Marta Riutort (273212)

The Francis Crick Institute

Mitochondrial genomes (mitogenomes) are useful and relatively accessible sources of molecular data to explore and understand the evolutionary history and relationships of eukaryotic organisms across diverse taxonomic levels. The availability of complete mitogenomes from Platyhelminthes is limited; of the 40 or so published most are from parasitic flatworms (Neodermata). Here, we present the mitogenomes of two free-living flatworms (Tricladida): the complete genome of the freshwater species Crenobia alpina (Planariidae) and a nearly complete genome of the land planarian Obama sp. (Geoplanidae). Moreover, we have reanotated the published mitogenome of the species Dugesia japonica (Dugesiidae). This contribution almost doubles the total number of mtDNAs published for Tricladida, a species-rich group including model organisms and economically important invasive species. We took the opportunity to conduct comparative mitogenomic analyses between available free-living and selected parasitic flatworms in order to gain insights into the putative effect of life cycle on nucleotide composition through mutation and natural selection. Unexpectedly, we did not find any molecular hallmark of a selective relaxation in mitogenomes of parasitic flatworms; on the contrary, three out of the four studied free-living triclad mitogenomes exhibit higher A+T content and selective relaxation levels. Additionally, we provide new and valuable molecular data to develop markers for future phylogenetic studies on planariids and geoplanids

D Timothy J Littlewood

Directory of Open Access Journals

Evolutionary analysis of mitogenomes from parasitic and free-living flatworms.

Solà Vàzquez, Eduard

Álvarez Presas, Marta

Frías-López, Cristina

Littlewood, Timothy J

Rozas Liras, Julio A.

Riutort León, Marta

Diposit Digital de la Universitat de Barcelona

Evolutionary analysis of mitogenomes from parasitic and free-living flatworms

Crossref

Copyright: © 2015 SolÃ  et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.       The attached file is the published version of the article.NHM Repositor

Solà, E

Álvarez-Presas, M

Frías-López, C

Littlewood, T

Rozas, J

Riutort, M

Natural History Museum Repository

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https://figshare.com/articles/_Evolutionary_Analysis_of_Mitogenomes_from_Parasitic_and_Free_Living_Flatworms_/1345694

Evolutionary Analysis of Mitogenomes from Parasitic and Free-Living Flatworms

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