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Volumen 46 - Número 1 - 2011

Nota científica

 


Identificación genética de poliquetos bentónicos en un hotspot

de biodiversidad del Pacífico suroriental

Cristian B. Canales-Aguirre1, 2, Nicolás Rozbaczylo3 and Cristián E. Hernández1


1Laboratorio de Diversidad Molecular y Filoinformática, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción, Chile
2Laboratorio de Genética y Acuicultura, Departamento de Oceanografía, Facultad de Ciencias Naturales y Oceanográficas,
Universidad de Concepción, Casilla 160-C, Concepción, Chile
3Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile

 

E-mail: cristiancanales@udec.cl

 

The aim of this study was to evaluate the utility of COI, of the mitochondrial DNA, for the taxonomic determination of soft-bottom benthic polychaetes in the Chiloé Inner Sea as a particularly important zone for polychaete fauna of the southeast Pacific. The results show high genetic differentiation between morphological species of polychaetes (posterior probabilities upper 0.9), and Onuphis pseudoiridescens showed the greatest divergence (3.08 ± 0.08 S.D.). The results support the role of the COI gene as a useful molecular marker for fast and accurate taxonomic determination of benthic polychaetes. This study leads the way for research on the biodiversity and systematics of polychaetes off the Chilean coast using molecular phylogenetic criteria.

 

Palabras clave: Genetic barcode, biodiversity, molecular taxonomy, phylogenetic systematic

 

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