Estimates of biochemical genetic diversity within and between the nudibranch molluscs Adalaria proxima (Alder & Hancock) and Onchidoris muricata (Muller) (Doridacea: Onchidorididae)

J. N. Havenhand*, J. P. Thorpe, C. D. Todd

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A total of 13 enzymes, coded by 14 loci, were successfully examined by horizontal starch gel electrophoresis in the intertidal dorid nudibranchs Adalaria proxima (Alder & Hancock) and Onchidoris muricata (Muller). The derived genetic identity and similarity values provided estimates more typical of congeneric, than only confamilial, species. The suggestion is that these two species hold a recent common ancestry, and that Adalaria proxima (with its more advanced, pelagic lecithotrophic larva) is an evolutionary derivative of the Onchidoris muricata stock. At least three loci (Pgm and Fum, A. proxima; Pep-2, O. muricata) are all highly polymorphic.

Original languageEnglish
Pages (from-to)105-111
Number of pages7
JournalJournal of Experimental Marine Biology and Ecology
Volume95
Issue number2
DOIs
Publication statusPublished - 20 Feb 1986

Keywords

  • Adalaria proxima
  • genetic diversity
  • larval types
  • nudibranchs
  • Onchidoris muricata

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