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- Title
Molecular identification of symbiotic dinoflagellates (Symbiodinium spp.) from Palythoa spp. (Anthozoa: Hexacorallia) in Japan.
- Authors
Reimer, James D.; Takishita, Kiyotaka; Maruyama, Tadashi
- Abstract
In Japan, zooxanthellate Palythoa tuberculosa Klunzinger and Palythoa mutuki Verrill (Anthozoa: Hexacorallia: Zoantharia) are found over a 1,000 + km latitudinal range, often in environments where most other zooxanthellate anthozoans are not found (i.e. tidal lagoon pools, around shallow water hydrothermal vents, subtropical rocky shorelines). Sequences of internal transcribed spacer of ribosomal DNA (ITS-rDNA) of the symbiotic dinoflagellate genus Symbiodinium (zooxanthellae) Freudenthal (Order Suessiales) from P. tuberculosa and P. mutuki from several locations in Japan (34° 11'N-24° 16'N) were analysed. Unexpectedly, despite the ability of the genus Palythoa to be flexible in association with different Symbiodinium subclades, most (35 of 36) Palythoa investigated here specifically associate with subclade Cl and closely related types. Symbiodinium subclade Cl has been characterized as a "generalist" in terms of the ability to associate with a range of hosts, but present results suggest that subclade Cl may also be a "generalist" in terms of being able to live in a variety of environments over a latitudinal range.
- Subjects
JAPAN; ZOOXANTHELLA; ZOANTHARIA; CHLORINE; RECOMBINANT DNA; SUBMARINE topography; CORAL reef organisms; RIBOSOMES; RESEARCH
- Publication
Coral Reefs, 2006, Vol 25, Issue 4, p521
- ISSN
0722-4028
- Publication type
Article
- DOI
10.1007/s00338-006-0151-4