An embryological study of ventralization of dorsal structures in the tail of medaka (Oryzias latipes) Da mutants

Gen Tamiya, Yuko Wakamatsu, Kenjiro Ozato

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In adult Da (double anal fin) mutants of medaka (Oryzias latipes), structures such as the dorsal fin one the dorsal half of the caudal tin are ventralized in adult fish. However, there have been few embryological studies of the development of mutant phenotypes except those of the caudal fin. In this study, development of mutant phenotypes of the tail where they typically develop was examined morphologically at various stages of embryo-genesis. The arrangement of melanocytes along the dorsal midline, the shape of the dorsal fin fold, and the shape of the dorsal myotome exhibited a ventral pattern in the tail at various embryonic stages in Da mutants.

Original languageEnglish
Pages (from-to)531-538
Number of pages8
JournalDevelopment Growth and Differentiation
Volume39
Issue number4
DOIs
Publication statusPublished - 1997

Keywords

  • Dorsal-ventral patterning
  • Fin folds
  • Medaka mutant melanocytes
  • Myotomes

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

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