Laurenzano, Claudia and Mantelatto, Fernando L. M. and Schubart, Christoph D. (2013) South American homogeneity versus Caribbean heterogeneity: population genetic structure of the western Atlantic fiddler crab Uca rapax (Brachyura, Ocypodidae). JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY, 449. pp. 22-27. ISSN 0022-0981, 1879-1697
Full text not available from this repository. (Request a copy)Abstract
The majority of marine species, including fiddler crabs, are thought to be genetically homogeneous due to their planktonic larval stages. However, recent studies have uncovered genetically structured populations in other littoral crabs thriving in mangroves. To determine the population genetic structure of the widespread mudflat fiddler crab Uca rapax, Smith, 1870 along the western Atlantic and the Caribbean Sea, mitochondria( Cox 1 sequence data of seven populations were compared and analyzed. We computed a haplotype network, nucleotide and haplotype diversities and conducted an AMOVA. While the three mainland populations examined (Brazilian states of sao Paulo and Para; Suriname) are genetically indiscernible as expected, populations from four Caribbean islands (St. Martin, Hispaniola, Jamaica, Cuba) showed significantly restricted gene flow among each other as well as compared to the mainland populations. Our data suggest the absence of possible barriers to gene flow between mainland sites, whereas a hindrance to genetic exchange seems to be present between mainland and Caribbean islands as well as among the islands. (C) 2013 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SEABREAM DIPLODUS-SARGUS; LARVAL DISPERSAL; ADAPTIVE SIGNIFICANCE; MOLECULAR PHYLOGENY; ENZYME VARIATION; LOCAL RETENTION; GENUS UCA; EVOLUTION; PATTERNS; FLOW; Cox1 mtDNA; Planktonic larvae; Gene flow |
| Subjects: | 500 Science > 590 Zoological sciences |
| Divisions: | Biology, Preclinical Medicine > Institut für Zoologie > Zoologie/Evolutionsbiologie (Prof. Dr. Jürgen Heinze) |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 25 Mar 2020 12:24 |
| Last Modified: | 25 Mar 2020 12:24 |
| URI: | https://pred.uni-regensburg.de/id/eprint/15690 |
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