Mitochondrial sequence data expose the putative cosmopolitan polychaete Scoloplos armiger (Annelida, Orbiniidae) as a species complex |
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| Authors: | Christoph Bleidorn Inken Kruse Sylvia Albrecht and Thomas Bartolomaeus |
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| Institution: | (1) Animal Systematics and Evolution, Institute for Biology, Zoology, Free University Berlin, Koenigin-Luise-Str. 1-3, D-14195, Berlin, Germany;(2) Unit of Evolutionary Biology/Systematic Zoology, Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Strasse 24-25 Haus 26, D-14476 Potsdam-Golm, Germany;(3) Smithsonian Marine Station at Fort Pierce, 701 Seaway Drive, Fort Pierce, Florida, USA;(4) Institute for Zoo and Wildlife Research, 10252, Berlin, Germany |
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| Abstract: | Background Polychaetes assigned as Scoloplos armiger (Orbiniidae) show a cosmopolitan distribution and have been encountered in all zoogeographic regions. Sibling S. armiger -like species have been revealed by recent studies using RAPDs and AFLP genetic data. We sequenced a ~12 kb fragment of the
Scoloplos cf. armiger mitochondrial genome and developed primers for variable regions including the 3' end of the cox3 gene, trnQ, and most of nad6. A phylogenetic analysis of this 528-nucleotide fragment was carried out for S. armiger -like individuals from the Eastern North Atlantic as well as Pacific regions. The aim of this study is to test the cosmopolitan
status, as well as to clarify the systematics of this species complex in the Eastern North Atlantic, while using a few specimens
from the Pacific Ocean for comparision. |
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