PUBLICATION

Expression of connexin48.5, connexin44.1, and connexin43 during zebrafish (Danio rerio) lens development

Authors
Cheng, S., Christie, T., and Valdimarsson, G.
ID
ZDB-PUB-031204-6
Date
2003
Source
Developmental dynamics : an official publication of the American Association of Anatomists   228(4): 709-715 (Journal)
Registered Authors
Cheng, Simon, Christie, Tara, Valdimarsson, Gunnar
Keywords
gap junction, connexin, Cx48.5, Cx44.1, Cx43, lens, lens development, zebrafish, embryo
MeSH Terms
  • Animals
  • Chickens
  • Connexin 43/biosynthesis*
  • Connexins/biosynthesis*
  • DNA Primers/pharmacology
  • Gap Junctions
  • Gene Expression Regulation, Developmental*
  • In Situ Hybridization
  • Lens, Crystalline/metabolism*
  • Mice
  • Phylogeny
  • RNA, Messenger/metabolism
  • Reverse Transcriptase Polymerase Chain Reaction
  • Time Factors
  • Tissue Distribution
  • Zebrafish
  • Zebrafish Proteins/biosynthesis*
PubMed
14648847 Full text @ Dev. Dyn.
Abstract
Connexins (Cx), the protein units of gap junctions, play important roles in lens development and homeostasis. Here, we report the mRNA expression patterns of zebrafish Cx48.5, Cx44.1, Cx43 during lens development. The expression of all three connexins in the adult lens was first confirmed by reverse transcriptase-polymerase chain reaction. By whole-mount in situ hybridization, we detected Cx48.5 expression throughout the lens, except the lateral lens epithelium, at 36 hours postfertilization (hpf). The pattern remained the same at 2 days postfertilization (dpf). By 3 and 4 dpf, Cx48.5 expression was restricted to the differentiating lens fibers in the equatorial and medial regions. Cx44.1 was expressed in a similar manner as Cx48.5 from 36 hpf to 4 dpf. However, Cx44.1 expression was also detected in the lens at 24 hpf. Cx43 expression was detected throughout the lens at 24 and 36 hpf but became restricted to the lateral epithelium at later stages.
Genes / Markers
Figures
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Expression
Phenotype
Mutation and Transgenics
Human Disease / Model Data
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping
Errata and Notes