PUBLICATION

Development of diverse lateral line patterns on the teleost caudal fin

Authors
Wada, H., Hamaguchi, S., and Sakaizumi, M.
ID
ZDB-PUB-081001-8
Date
2008
Source
Developmental Dynamics : an official publication of the American Association of Anatomists   237(10): 2889-2902 (Journal)
Registered Authors
Wada, Hironori
Keywords
lateral line, neuromast, patterning, caudal fin, medaka, zebrafish
MeSH Terms
  • Oryzias/anatomy & histology
  • Oryzias/growth & development*
  • Neurons/cytology
  • Cell Movement
  • Animals
  • Body Patterning*
  • Lateral Line System/cytology
  • Lateral Line System/growth & development*
  • Zebrafish/anatomy & histology
  • Zebrafish/growth & development*
(all 10)
PubMed
18816847 Full text @ Dev. Dyn.
Abstract
The lateral line is composed of mechanoreceptors, the neuromasts, which are distributed over the body surfaces of fish. We examine the development of neuromast patterns on the caudal fins of medaka and zebrafish. In medaka, the terminal neuromast is established just prior to the caudal fin formation. The terminal neuromast subsequently gives rise to a cluster of accessory neuromasts. In zebrafish, the terminal neuromasts vary in terms of both number and position, and they achieve their final positions relative to the caudal fin structures through migration. Subsequently, they give rise to four lines of accessory neuromasts that extend along the caudal fin. We show that developmental processes similar to those observed in medaka and zebrafish may account for a large variety of patterns in other teleost species. These results establish terminal neuromast patterning as a new model for the study of the developmental mechanisms underlying diverse lateral line patterns.
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    Citation
    Wada, H., Hamaguchi, S., and Sakaizumi, M. (2008) Development of diverse lateral line patterns on the teleost caudal fin. Developmental Dynamics : an official publication of the American Association of Anatomists. 237(10):2889-2902.