Widespread prevalence of cryptic Symbiodinium D in the key Caribbean reef builder, Orbicella annularis

Symbiodinium D, a relatively rare clade of algal endosymbiont with a global distribution, has attracted interest as some of its sub-cladal types induce increased thermal tolerance and associated trade-offs, including reduced growth rate in its coral hosts. Members of Symbiodinium D are increasingly...

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Bibliographic Details
Published in:Coral reefs 2015-06, Vol.34 (2), p.519-531
Main Authors: Kennedy, Emma V., Foster, Nicola L., Mumby, Peter J., Stevens, Jamie R.
Format: Article
Language:English
Subjects:
Algae
Biomedical and Life Sciences
Coral reefs
Ecological function
Freshwater & Marine Ecology
Life Sciences
Marine biology
Marine ecology
Oceanography
Symbiodinium
Symbiosis
Thermal stress
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Summary:Symbiodinium D, a relatively rare clade of algal endosymbiont with a global distribution, has attracted interest as some of its sub-cladal types induce increased thermal tolerance and associated trade-offs, including reduced growth rate in its coral hosts. Members of Symbiodinium D are increasingly reported to comprise low-abundance ‘cryptic’ (30 % of corals per site found to harbour the symbiont. When the same samples were analysed using the conventional screening technique, denaturing gradient gel electrophoresis, Symbiodinium D1 was only detected in 12 populations and appeared to be hosted by
ISSN:0722-4028
1432-0975
DOI:10.1007/s00338-015-1264-4