Subcuticular bacteria from the brittle star Ophiactis balli (Echinodermata: Ophiuroidea) represent a new lineage of extracellular marine symbionts in the alpha subdivision of the class Proteobacteria

W J Burnett, J Douglas McKenzie

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Many species of echinoderms, in all five extant classes, contain subcuticular bacterial symbionts (SCB). The role of these extracellular symbionts and the nature of the relationship remain unclear. We have sequenced 168 rRNA genes from symbionts to determine their phylogenetic affinities. Symbionts of an ophiuroid, Ophiactis balli, appear closely related to bacteria within the alpha group of the class Proteobacteria, including intracellular endosymbionts and pathogens. SCB are clearly of separate origin from other documented major groups of marine symbiotic bacteria.
Original languageEnglish
Pages (from-to)1721-1724
Number of pages4
JournalAPPL ENVIRON MICROB
Volume63
Issue number5
Publication statusPublished - 1997

Keywords

  • MORPHOLOGY
  • HYBRIDIZATION
  • SEA STAR
  • SUB-CUTICULAR BACTERIA
  • Biotechnology & Applied Microbiology
  • SEQUENCE-ANALYSIS
  • Microbiology
  • ENDOSYMBIOTIC BACTERIA
  • AMPHIPHOLIS-SQUAMATA
  • HOSTS
  • ATLANTIC-OCEAN

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