Document Detail


An earthworm riddle: systematics and phylogeography of the Spanish lumbricid Postandrilus.
MedLine Citation:
PMID:  22140529     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: As currently defined, the genus Postandrilus Qui and Bouché, 1998, (Lumbricidae) includes six earthworm species, five occurring in Majorca (Baleares Islands, western Mediterranean) and another in Galicia (NW Spain). This disjunct and restricted distribution raises some interesting phylogeographic questions: (1) Is Postandrilus distribution the result of the separation of the Baleares-Kabylies (BK) microplate from the proto-Iberian Peninsula in the Late Oligocene (30-28 Mya)--vicariant hypothesis? (2) Did Postandrilus diversify in Spain and then colonize the Baleares during the Messinian salinity crisis (MSC) 5.96-5.33 Mya--dispersal hypothesis? (3) Is the distribution the result of a two-step process--vicariance with subsequent dispersal?
METHODOLOGY/PRINCIPAL FINDINGS: To answer these questions and assess Postandrilus evolutionary relationships and systematics, we collected all of the six Postandrilus species (46 specimens - 16 locations) and used Aporrectodea morenoe and three Prosellodrilus and two Cataladrilus species as the outgroup. Regions of the nuclear 28S rDNA and mitochondrial 16S rDNA, 12S rDNA, ND1, COII and tRNA genes (4,666 bp) were sequenced and analyzed using maximum likelihood and Bayesian methods of phylogenetic and divergence time estimation. The resulting trees revealed six new Postandrilus species in Majorca that clustered with the other five species already described. This Majorcan clade was sister to an Iberian clade including A. morenoe (outgroup) and Postandrilus bertae. Our phylogeny and divergence time estimates indicated that the split between the Iberian and Majorcan Postandrilus clades took place 30.1 Mya, in concordance with the break of the BK microplate from the proto-Iberian Peninsula, and that the present Majorcan clade diversified 5.7 Mya, during the MSC.
CONCLUSIONS: Postandrilus is highly diverse including multiple cryptic species in Majorca. The genus is not monophyletic and invalid as currently defined. Postandrilus is of vicariant origin and its radiation began in the Late Oligocene.
Authors:
Marcos Pérez-Losada; Jesse W Breinholt; Pablo G Porto; Manuel Aira; Jorge Domínguez
Related Documents :
22989669 - Morphological and molecular analyses of larval trematodes in the intertidal bivalve per...
23122049 - Sequencing of the needle transcriptome from norway spruce (picea abies karst l.) reveal...
23517269 - A new species of podocotyloides (digenea: opecoelidae) from the grey conger eel, conger...
7519769 - The application of a modified nucleotide in aptamer selection: novel thrombin aptamers ...
20028539 - A new measurement of sequence conservation.
11741319 - A transmembrane trap method for efficient cloning of genes encoding proteins possessing...
12773819 - Characterization of the s-rnase promoters from sweet cherry (prunus avium l.).
20483259 - Rodent monophyly deduced from the unique gastric proteinase constitution and molecular ...
1535619 - Crucial role of the third and fourth hypervariable regions of hla-dpb1 allelic sequence...
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-11-29
Journal Detail:
Title:  PloS one     Volume:  6     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2011  
Date Detail:
Created Date:  2011-12-05     Completed Date:  2012-04-09     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e28153     Citation Subset:  IM    
Affiliation:
Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal. mlosada323@gmail.com
Data Bank Information
Bank Name/Acc. No.:
GENBANK/JN871915;  JN871916;  JN871917;  JN871918;  JN871919;  JN871920;  JN871921;  JN871922;  JN871923;  JN871924;  JN871925;  JN871926;  JN871927;  JN871928;  JN871929;  JN871930;  JN871931;  JN871932;  JN871933;  JN871934;  JN871935;  JN871936;  JN871937;  JN871938;  JN871939;  JN871940;  JN871941;  JN871942;  JN871943;  JN871944;  JN871945;  JN871946;  JN871947;  JN871948;  JN871949;  JN871950;  JN871951;  JN871952;  JN871953;  JN871954;  JN871955;  JN871956;  JN871957;  JN871958;  JN871959;  JN871960;  JN871961;  JN871962;  JN871963;  JN871964;  JN871965;  JN871966;  JN871967;  JN871968;  JN871969;  JN871970;  JN871971;  JN871972;  JN871973;  JN871974;  JN871975;  JN871976;  JN871977;  JN871978;  JN871979;  JN871980;  JN871981;  JN871982;  JN871983;  JN871984;  JN871985;  JN871986;  JN871987;  JN871988;  JN871989;  JN871990;  JN871991;  JN871992;  JN871993;  JN871994;  JN871995;  JN871996;  JN871997;  JN871998;  JN871999;  JN872000;  JN872001;  JN872002;  JN872003;  JN872004;  JN872005;  JN872006;  JN872007;  JN872008;  JN872009;  JN872010;  JN872011;  JN872012;  JN872013;  JN872014;  JN872015;  JN872016;  JN872017;  JN872018;  JN872019;  JN872020;  JN872021;  JN872022;  JN872023;  JN872024;  JN872025;  JN872026;  JN872027;  JN872028;  JN872029;  JN872030;  JN872031;  JN872032;  JN872033;  JN872034;  JN872035;  JN872036;  JN872037;  JN872038;  JN872039;  JN872040;  JN872041;  JN872042;  JN872043;  JN872044;  JN872045;  JN872046;  JN872047;  JN872048;  JN872049;  JN872050;  JN872051;  JN872052;  JN872053;  JN872054;  JN872055;  JN872056;  JN872057;  JN872058;  JN872059;  JN872060;  JN872061;  JN872062;  JN872063;  JN872064;  JN872065;  JN872066;  JN872067;  JN872068;  JN872069;  JN872070;  JN872071;  JN872072;  JN872073;  JN872074;  JN872075;  JN872076;  JN872077;  JN872078;  JN872079;  JN872080;  JN872081;  JN872082;  JN872083;  JN872084;  JN872085;  JN872086;  JN872087;  JN872088;  JN872089;  JN872090;  JN872091;  JN872092;  JN872093;  JN872094;  JN872095;  JN872096;  JN872097;  JN872098;  JN872099;  JN872100;  JN872101;  JN872102;  JN872103;  JN872104;  JN872105;  JN872106;  JN872107;  JN872108;  JN872109;  JN872110;  JN872111;  JN872112;  JN872113;  JN872114;  JN872115;  JN872116;  JN872117;  JN872118;  JN872119;  JN872120;  JN872121;  JN872122;  JN872123;  JN872124;  JN872125;  JN872126;  JN872127;  JN872128;  JN872129;  JN872130;  JN872131;  JN872132;  JN872133;  JN872134;  JN872135;  JN872136;  JN872137;  JN872138;  JN872139
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Animals
Likelihood Functions
Mediterranean Region
Molecular Sequence Data
Oligochaeta / classification*,  genetics*
Paleontology
Phylogeny*
Phylogeography
Spain
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Diverse roles of Eph/ephrin signaling in the mouse lens.
Next Document:  Atmospheric-pressure plasma jet induces apoptosis involving mitochondria via generation of free radi...