Comparison of Endosymbiotic and Free-Living Symbiodinium (Dinophyceae) Diversity a Hawaiian Reef Environment. J Phycol

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dc.contributor.authorPochon, Xavier
dc.contributor.authorStat, Michael
dc.contributor.authorTakabayashi, Misaki
dc.contributor.authorChasqui, Luis
dc.contributor.authorChauka, Leonard J.
dc.contributor.authorLogan, Daniel D. K.
dc.contributor.authorGates, Ruth D.
dc.date.accessioned2016-06-03T14:08:46Z
dc.date.available2016-06-03T14:08:46Z
dc.date.issued2010
dc.description.abstractMany scleractinian corals must acquire their endosymbiotic dinoflagellates (genus Symbiodinium) anew each generation from environmental pools, and exchange between endosymbiotic and environmental pools of Symbiodinium (reef waters and sediments) has been proposed as a mechanism for optimizing coral physiology in the face of environmental change. Our understanding of the diversity of Symbiodinium spp. in environmental pools is poor by comparison to that engaged in endosymbiosis, which reflects the challenges of visualizing the genus against the backdrop of the complex and diverse micro-eukaryotic communities found free-living in the environment. Here, the molecular diversity of Symbiodinium living in the waters and sediments of a reef near Coconut Island, O‘ahu, Hawai‘i, sampled at four hourly intervals over a period of 5 d was characterized using a Symbiodinium-specific hypervariable region of the chloroplast 23S. A comparison of Symbiodinium spp. diversity recovered from environmental samples with the endosymbiotic diversity in coral species that dominate the adjacent reef revealed limited overlap between these communities. These data suggest that the potential for infection, exchange, and ⁄ or repopulation of corals with Symbiodinium derived from the environment is limited at this location, a finding that is perhaps consistent with the high proportion of coral species in this geographic region that transmit endosymbionts from generation to generation.en_US
dc.identifier.citationPochon, X., Stat, M., Takabayashi, M., Chasqui, L., Chauka, L.J., Logan, D.D. and Gates, R.D., 2010. COMPARISON OF ENDOSYMBIOTIC AND FREE‐LIVING SYMBIODINIUM (DINOPHYCEAE) DIVERSITY IN A HAWAIIAN REEF ENVIRONMENT1. Journal of Phycology, 46(1), pp.53-65.en_US
dc.identifier.doi10.1111/j.1529-8817.2009.00797.x
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2393
dc.language.isoenen_US
dc.subjectCoralen_US
dc.subjectCp23Sen_US
dc.subjectDinoflagellateen_US
dc.subjectITS-2en_US
dc.subjectSymbiodiniumen_US
dc.titleComparison of Endosymbiotic and Free-Living Symbiodinium (Dinophyceae) Diversity a Hawaiian Reef Environment. J Phycolen_US
dc.typeJournal Article, Peer Revieweden_US
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