Sibling species of mutualistic Symbiodinium clade G from bioeroding sponges in the western Pacific and western Atlantic oceans

Blake D. Ramsby, Malcolm S. Hill, Daniel J. Thornhill, Sieuwkje F. Steenhuizen, Michelle Achlatis, Allison M. Lewis, Todd C. Lajeunesse

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Dinoflagellates in the genus Symbiodinium associate with a broad array of metazoan and protistian hosts. Symbiodinium-based symbioses involving bioeroding sponge hosts have received less attention than those involving popular scleractinian hosts. Certain species of common Cliona harbor high densities of an ecologically restricted group of Symbiodinium, referred to as Clade G. Clade G Symbiodinium are also known to form stable and functionally important associations with Foraminifera and black corals (Antipatharia) Analyses of genetic evidence indicate that Clade G likely comprises several distinct species. Here, we use nucleotide sequence data in combination with ecological and geographic attributes to formally describe Symbiodinium endoclionum sp. nov. obtained from the Pacific boring sponge Cliona orientalis and Symbiodinium spongiolum sp. nov. from the congeneric western Atlantic sponge Cliona varians. These species appear to be part of an adaptive radiation comprising lineages of Clade G specialized to the metazoan phyla Porifera and Cnidaria, which began prior to the separation of the Pacific and Atlantic Oceans.

Original languageEnglish (US)
Pages (from-to)951-960
Number of pages10
JournalJournal of Phycology
Volume53
Issue number5
DOIs
StatePublished - Oct 1 2017

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Symbiodinium
sibling species
Porifera
Atlantic Ocean
sponge
metazoan
ocean
adaptive radiation
boring
symbiosis
dinoflagellate
foraminifera
coral
harbor
new species
Cnidaria
Pacific Ocean
nucleotide sequences

All Science Journal Classification (ASJC) codes

  • Aquatic Science
  • Plant Science

Cite this

Ramsby, Blake D. ; Hill, Malcolm S. ; Thornhill, Daniel J. ; Steenhuizen, Sieuwkje F. ; Achlatis, Michelle ; Lewis, Allison M. ; Lajeunesse, Todd C. / Sibling species of mutualistic Symbiodinium clade G from bioeroding sponges in the western Pacific and western Atlantic oceans. In: Journal of Phycology. 2017 ; Vol. 53, No. 5. pp. 951-960.
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Sibling species of mutualistic Symbiodinium clade G from bioeroding sponges in the western Pacific and western Atlantic oceans. / Ramsby, Blake D.; Hill, Malcolm S.; Thornhill, Daniel J.; Steenhuizen, Sieuwkje F.; Achlatis, Michelle; Lewis, Allison M.; Lajeunesse, Todd C.

In: Journal of Phycology, Vol. 53, No. 5, 01.10.2017, p. 951-960.

Research output: Contribution to journalArticle

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AU - Ramsby, Blake D.

AU - Hill, Malcolm S.

AU - Thornhill, Daniel J.

AU - Steenhuizen, Sieuwkje F.

AU - Achlatis, Michelle

AU - Lewis, Allison M.

AU - Lajeunesse, Todd C.

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