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Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio.

Publication ,  Journal Article
Parichy, DM; Mellgren, EM; Rawls, JF; Lopes, SS; Kelsh, RN; Johnson, SL
Published in: Dev Biol
November 15, 2000

Pigment patterns of fishes are a tractable system for studying the genetic and cellular bases for postembryonic phenotypes. In the zebrafish Danio rerio, neural crest-derived pigment cells generate different pigment patterns during different phases of the life cycle. Whereas early larvae exhibit simple stripes of melanocytes and silver iridophores in a background of yellow xanthophores, this pigment pattern is transformed at metamorphosis into that of the adult, comprising a series of dark melanocyte and iridophore stripes, alternating with light stripes of iridophores and xanthophores. Although several genes have been identified in D. rerio that contribute to the development of both early larval and adult pigment patterns, comparatively little is known about genes that are essential for pattern formation during just one or the other life cycle phase. In this study, we identify the gene responsible for the rose mutant phenotype in D. rerio. rose mutants have wild-type early larval pigment patterns, but fail to develop normal numbers of melanocytes and iridophores during pigment pattern metamorphosis and exhibit a disrupted pattern of these cells. We show that rose corresponds to endothelin receptor b1 (ednrb1), an orthologue of amniote Ednrb genes that have long been studied for their roles in neural crest and pigment cell development. Furthermore, we demonstrate that D. rerio ednrb1 is expressed both during pigment pattern metamorphosis and during embryogenesis, and cells of melanocyte, iridophore, and xanthophore lineages all express this gene. These analyses suggest a phylogenetic conservation of roles for Ednrb signaling in the development of amniote and teleost pigment cell precursors. As murine Ednrb is essential for the development of all neural crest derived melanocytes, and D. rerio ednrb1 is required only by a subset of adult melanocytes and iridophores, these analyses also reveal variation among vertebrates in the cellular requirements for Ednrb signaling, and suggest alternative models for the cellular and genetic bases of pigment pattern metamorphosis in D. rerio.

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Published In

Dev Biol

DOI

ISSN

0012-1606

Publication Date

November 15, 2000

Volume

227

Issue

2

Start / End Page

294 / 306

Location

United States

Related Subject Headings

  • Zebrafish
  • Receptors, Endothelin
  • Receptor, Endothelin B
  • Pigmentation
  • Phenotype
  • Neural Crest
  • Mutation
  • Metamorphosis, Biological
  • Melanocytes
  • In Situ Hybridization
 

Citation

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Parichy, D. M., Mellgren, E. M., Rawls, J. F., Lopes, S. S., Kelsh, R. N., & Johnson, S. L. (2000). Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio. Dev Biol, 227(2), 294–306. https://doi.org/10.1006/dbio.2000.9899
Parichy, D. M., E. M. Mellgren, J. F. Rawls, S. S. Lopes, R. N. Kelsh, and S. L. Johnson. “Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio.Dev Biol 227, no. 2 (November 15, 2000): 294–306. https://doi.org/10.1006/dbio.2000.9899.
Parichy DM, Mellgren EM, Rawls JF, Lopes SS, Kelsh RN, Johnson SL. Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio. Dev Biol. 2000 Nov 15;227(2):294–306.
Parichy, D. M., et al. “Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio.Dev Biol, vol. 227, no. 2, Nov. 2000, pp. 294–306. Pubmed, doi:10.1006/dbio.2000.9899.
Parichy DM, Mellgren EM, Rawls JF, Lopes SS, Kelsh RN, Johnson SL. Mutational analysis of endothelin receptor b1 (rose) during neural crest and pigment pattern development in the zebrafish Danio rerio. Dev Biol. 2000 Nov 15;227(2):294–306.
Journal cover image

Published In

Dev Biol

DOI

ISSN

0012-1606

Publication Date

November 15, 2000

Volume

227

Issue

2

Start / End Page

294 / 306

Location

United States

Related Subject Headings

  • Zebrafish
  • Receptors, Endothelin
  • Receptor, Endothelin B
  • Pigmentation
  • Phenotype
  • Neural Crest
  • Mutation
  • Metamorphosis, Biological
  • Melanocytes
  • In Situ Hybridization