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New insights into the genetic diversity of zooxanthellae in Mediterranean anthozoans
Casado-Amezúa, P.; Machordom, A.; Bernardo, J.; González-Wangüemert, M. (2014). New insights into the genetic diversity of zooxanthellae in Mediterranean anthozoans. Symbiosis 63(1): 41-46. https://dx.doi.org/10.1007/s13199-014-0286-y
In: Symbiosis. Springer: Philadelphia, Pa.. ISSN 0334-5114; e-ISSN 1878-7665
|  |
| Trefwoorden |
Marine Sciences
Marine Sciences > Biodiversity
Marine Sciences > Marine Genomics
Scientific Community
Scientific Publication
Marien/Kust |
| Author keywords |
Symbiodinium sp.; Genetic characterization; Phylotypes "Temperate A" andB; Western Mediterranean |
| Project | Top | Auteurs |
- Association of European marine biological laboratories
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| Auteurs | | Top |
- Casado-Amezúa, P.
- Machordom, A.
- Bernardo, J.
- González-Wangüemert, M.
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| Abstract |
Symbiotic dinoflagellates of the genus Symbiodinium, also called zooxanthellae, are found in association with a wide diversity of shallow-water anthozoans. The Symbiodinium genus includes numerous lineages, also referred to as clades or phylotypes, as well as a wide diversity of genetic sub-clades and sub-phylotypes. There are few studies characterizing the genetic diversity of zooxanthellae in Mediterranean anthozoans. In this study, we included anthozoans from the Western Mediterranean Sea and by means of internal transcriber (ITS) and large sub-unit (LSU) rRNA markers we corroborate what has been previously identified, demonstrating that phylotype “Temperate A” is very common among host Cnidaria in this basin. Our finding of fixed differences in ITS and LSU markers that correspond to different host taxa, indicate that this clade may comprise several closely-related species. Previous studies have reported the occurrence of Symbiodinium psygmophilum (formerly sub-clade B2) associated with Oculina patagonica and Cladocora caespitosa in the Eastern Mediterranean. Here, we identify this association in O. patagonica from the Western Mediterranean but not in C. caespitosa, suggesting some differences in symbiotic combinations between the Western and Eastern Mediterranean Basins. |
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