Genomic organization of Hox and ParaHox clusters in the echinoderm, Acanthaster planci

Kenneth W Baughman, Carmel McDougall, Scott F Cummins, Mike Hall, Bernard M Degnan, Nori Satoh, Eiichi Shoguchi

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The organization of echinoderm Hox clusters is of interest due to the role that Hox genes play in deuterostome development and body plan organization, and the unique gene order of the Hox complex in the sea urchin Strongylocentrotus purpuratus, which has been linked to the unique development of the axial region. Here, it has been reported that the Hox and ParaHox clusters of Acanthaster planci, a corallivorous starfish found in the Pacific and Indian oceans, generally resembles the chordate and hemichordate clusters. The A. planci Hox cluster shared with sea urchins the loss of one of the medial Hox genes, even-skipped (Evx) at the anterior of the cluster, as well as organization of the posterior Hox genes.

Original languageEnglish
Pages (from-to)952-8
Number of pages7
JournalGenesis (New York, N.Y. : 2000)
Volume52
Issue number12
DOIs
Publication statusPublished - Dec 2014

Keywords

  • Animals
  • Evolution, Molecular
  • Gene Deletion
  • Genes, Homeobox
  • Multigene Family
  • Phylogeny
  • Sea Urchins/classification
  • Starfish/classification

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