Speciation and biosynthetic variation in four dictyoceratid sponges and their cyanobacterial symbiont, Oscillatoria spongeliae

Christian P. Ridley, Patricia R. Bergquist, Mary Kay Harper, D. John Faulkner, John N A Hooper, Margo Haygood

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Four species of marine sponges (Phylum Porifera, Order Dictyoceratida), which contain the filamentous cyanobacterial symbiont Oscillatoria spongeliae, were collected from four locations in Palau. The halogenated natural products associated with the symbiont were characterized from each sample, revealing that each species contained either chlorinated peptides, brominated diphenyl ethers, or no halogenated compounds. Analysis of the host sponges and the symbionts indicated that each species of sponge contained a distinct strain of morphologically similar cyanobacteria. Although cospeciation may be present in this group, we have identified that at least one host switching event has occurred in this symbiosis. Only the strain of O. spongeliae in the sponge containing the chlorinated compounds possessed genes involved in the biosynthesis of chlorinated leucine precursors, indicating that the chemical variation observed in these animals has a genetic foundation.

Original languageEnglish (US)
Pages (from-to)397-406
Number of pages10
JournalChemistry and Biology
Volume12
Issue number3
DOIs
StatePublished - Mar 2005
Externally publishedYes

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Oscillatoria
Halogenated Diphenyl Ethers
Biosynthesis
Porifera
Biological Products
Leucine
Animals
Genes
Peptides
Palau
Symbiosis
Cyanobacteria

ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Speciation and biosynthetic variation in four dictyoceratid sponges and their cyanobacterial symbiont, Oscillatoria spongeliae. / Ridley, Christian P.; Bergquist, Patricia R.; Harper, Mary Kay; Faulkner, D. John; Hooper, John N A; Haygood, Margo.

In: Chemistry and Biology, Vol. 12, No. 3, 03.2005, p. 397-406.

Research output: Contribution to journalArticle

Ridley, Christian P. ; Bergquist, Patricia R. ; Harper, Mary Kay ; Faulkner, D. John ; Hooper, John N A ; Haygood, Margo. / Speciation and biosynthetic variation in four dictyoceratid sponges and their cyanobacterial symbiont, Oscillatoria spongeliae. In: Chemistry and Biology. 2005 ; Vol. 12, No. 3. pp. 397-406.
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