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    The genome of Aiptasia, a sea anemone model for coral symbiosis

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    Type
    Article
    Authors
    Baumgarten, Sebastian cc
    Simakov, Oleg
    Esherick, Lisl Y.
    Liew, Yi Jin cc
    Lehnert, Erik M.
    Michell, Craig
    Li, Yong cc
    Hambleton, Elizabeth A.
    Guse, Annika
    Oates, Matt E.
    Gough, Julian
    Weis, Virginia M.
    Aranda, Manuel cc
    Pringle, John R.
    Voolstra, Christian R. cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Red Sea Research Center (RSRC)
    Date
    2015-08-31
    Online Publication Date
    2015-08-31
    Print Publication Date
    2015-09-22
    Permanent link to this record
    http://hdl.handle.net/10754/576855
    
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    Abstract
    The most diverse marine ecosystems, coral reefs, depend upon a functional symbiosis between a cnidarian animal host (the coral) and intracellular photosynthetic dinoflagellate algae. The molecular and cellular mechanisms underlying this endosymbiosis are not well understood, in part because of the difficulties of experimental work with corals. The small sea anemone Aiptasia provides a tractable laboratory model for investigating these mechanisms. Here we report on the assembly and analysis of the Aiptasia genome, which will provide a foundation for future studies and has revealed several features that may be key to understanding the evolution and function of the endosymbiosis. These features include genomic rearrangements and taxonomically restricted genes that may be functionally related to the symbiosis, aspects of host dependence on alga-derived nutrients, a novel and expanded cnidarian-specific family of putative pattern-recognition receptors that might be involved in the animal–algal interactions, and extensive lineage-specific horizontal gene transfer. Extensive integration of genes of prokaryotic origin, including genes for antimicrobial peptides, presumably reflects an intimate association of the animal–algal pair also with its prokaryotic microbiome.
    Citation
    The genome of Aiptasia, a sea anemone model for coral symbiosis 2015:201513318 Proceedings of the National Academy of Sciences
    Publisher
    Proceedings of the National Academy of Sciences
    Journal
    Proceedings of the National Academy of Sciences
    DOI
    10.1073/pnas.1513318112
    PubMed ID
    26324906
    Additional Links
    http://www.pnas.org/lookup/doi/10.1073/pnas.1513318112
    Relations
    Is Supplemented By:
    • [Bioproject]
      Title: Exaiptasia diaphana isolate:CC7 Genome sequencing and assemblyPublication Date: 2015-10-28. bioproject: PRJNA261862 Handle: 10754/666435
    ae974a485f413a2113503eed53cd6c53
    10.1073/pnas.1513318112
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program; Reef Genomics, part of the Global Ocean Genome Project

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