The acquisition of exogenous, algal symbionts by an octocorat after bleaching

Science

Volumn 304, Issue 5676, 2004, Pages 1490-1492

  Lewis, Cynthia L ^a   Coffroth, Mary Alice ^a  

^a UNIVERSITY AT BUFFALO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIODIVERSITY; BLEACHING; MARINE BIOLOGY;

CORAL BLEACHING; RESILIENCE; SYMBIOSIS;

ALGAE;

COMMUNITY STRUCTURE; CORAL BLEACHING; DINOFLAGELLATE; ENVIRONMENTAL STRESS; SYMBIOSIS;

ALGA; ARTICLE; BLEACHING; CARIBBEAN ISLANDS; CORAL; CORAL REEF; DINOFLAGELLATE; MARINE ENVIRONMENT; NONHUMAN; PHOTOSYNTHESIS; PRIORITY JOURNAL; SYMBIONT; SYMBIOSIS;

ALGAE; ANIMALS; ANTHOZOA; DINOFLAGELLIDA; ECOSYSTEM; GENOTYPE; SYMBIOSIS;

ALGAE; ANIMALIA; ANTHOZOA; BRIAREUM; DINOPHYCEAE; SYMBIODINIUM; SYMBIODINIUM SP.;

EID: 2642522045     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1097323     Document Type: Article

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22. Although it is possible that symbionts containing the marker cp235-genotypes were initially present as cryptic populations [detection threshold ∼ 1000 cells (21)1, in many cases the B178 and/or B184 cp235-rDNA genotypes were detected after bleaching, whereas the marker cp23S-rDNA genotypes were not detected until the host colony was exposed to the isoclonal cultures. The symbionts with the marker genotypes subsequently appeared, replacing these initial genotypes. Furthermore, with one exception (see legend to Fig. 1), a given marker cp235-rDNA genotype was only detected in colonies exposed to that culture.
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26. This research was supported by NFS grant OCE-95-07319 (M.A.C.). We thank the Keys Marine Laboratory, Florida Keys National Marine Sanctuary, Sherwood SCUBA, Niagara Falls Aquarium, and J. Stamos for materials, equipment, facilities, and/or assistance. We thank S. R. Santos and A. R. Hannes for additional cp23S-genotype data on field-collected Briareum sp. We appreciate the suggestions on experimental design, data analysis, and/or comments from M. J. Hollingsworth, H. R. Lasker, A. Monteiro, S. R. Santos, T. L. Shearer, D. J. Taylor, and two anonymous reviewers.