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Phylogeography of the coronulid barnacle, Chelonibia testudinaria, from loggerhead sea turtles, Caretta caretta by P. D. Rawson; R. Macnamee; M. G. Frick; K. L. Williams is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract The barnacle, __Chelonibia testudinaria__, is a common inhabitant of the marine turtle epibiont community and plays a key role in the development of this community. Phylogeographic analysis of 79 cytochrome __c__ oxidase I (COX1) sequences for barnacles collected from five populations found contrasting patterns of divergence for populations in the Atlantic vs. the Pacific Ocean. Our analysis indicates that the two Pacific populations, Senri Beach, Japan and Bahia Magdalena, Mexico, were not only highly divergent from the Atlantic populations but are highly divergent from one another. We suggest that barnacles from these populations may represent cryptic species. In contrast, sequence divergence was greatly reduced among barnacles collected from Wassaw Island, GA, USA, Keewaydin, FL, USA, and Kyparissia, Pèloponnésus Island, Greece. A reduction in sequence diversity at the latter site was attributed to a recent range expansion into the Mediterranean Sea. We examined historical patterns of migration among the three Atlantic and Mediterranean populations using the program **migrate**. This analysis indicates a high rate of migration from Keewaydin to Wassaw Island, contras

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Author

P. D. Rawson; R. Macnamee; M. G. Frick; K. L. Williams

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Research Square (ISSN 0962-1083)

Published

2003

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)