Artículos de revistas
Morphology and DNA barcodes reveal the presence of the non-native land planarian Obama marmorata (Platyhelminthes : Geoplanidae) in Europe
Fecha
2015-03Registro en:
Lago Barcia, Domingo; Fernández Álvarez, Fernando Ángel; Negrete, Lisandro Hector Luis; Brusa, Francisco; Damborenea, Maria Cristina; et al.; Morphology and DNA barcodes reveal the presence of the non-native land planarian Obama marmorata (Platyhelminthes : Geoplanidae) in Europe; Csiro Publishing; Invertebrate Systematics; 29; 1; 3-2015; 12-22
1445-5226
CONICET Digital
CONICET
Autor
Lago Barcia, Domingo
Fernández Álvarez, Fernando Ángel
Negrete, Lisandro Hector Luis
Brusa, Francisco
Damborenea, Maria Cristina
Grande, Cristina
Noreña, Carolina
Resumen
We report for the first time the occurrence of Obama marmorata in the Iberian Peninsula as an introduced species from the Neotropical Region. The species is also reported for the first time in Argentina. The identification was made on the basis of morphological evidence. The divergence levels of a fragment of the mitochondrial cytochrome c oxidase I gene from Argentinean and Iberian samples were studied. The morphology of samples from the two regions was the same and matched the original description of the species. A DNA barcoding matrix was constructed using new sequences from O. marmorata and sequences of related species taken from GenBank. Among the family Geoplanidae, interspecific divergence ranged between 3.3 and 14.4 %, while intraspecific divergence percentages were 0-1.2 %, signaling the presence of a DNA barcoding gap. All O. marmorata sequences, irrespective of their geographic origin, form a well-supported clade with an intraspecific divergence of 0-0.9 (average = 0.4 %). These results indicate the utility of DNA barcoding to discover allochthonous species in this group of organisms