PUBLICATION
Eph signaling is required for segmentation and differentiation of the somites
- Authors
- Durbin, L., Brennan, C., Shiomi, K., Cooke, J., Barrios, A., Shanmugalingam, S., Guthrie, B., Lindberg, R., and Holder, N.
- ID
- ZDB-PUB-981105-1
- Date
- 1998
- Source
- Genes & Development 12: 3096-3109 (Journal)
- Registered Authors
- Barrios, Arantza, Brennan, Caroline, Cooke, Julie E., Durbin, Lindsey, Holder, Nigel, Shanmugalingam, Shantha, Shiomi, Kensuke
- Keywords
- somitogenesis; Eph/ephrin signaling; zebrafish
- MeSH Terms
-
- Cleavage Stage, Ovum/physiology*
- Amino Acid Sequence
- Basic Helix-Loop-Helix Transcription Factors
- Signal Transduction*
- Fetal Proteins/genetics
- Fetal Proteins/physiology*
- Cloning, Molecular
- Ligands
- Nuclear Proteins
- Helix-Loop-Helix Motifs
- Somites/physiology*
- Receptor, EphB4
- Humans
- Transcription Factors
- Mice
- DNA-Binding Proteins/genetics
- Ephrin-A5
- Animals
- Receptor, EphA4
- Molecular Sequence Data
- Ephrin-B2
- Membrane Proteins/genetics
- Membrane Proteins/physiology*
- Zebrafish Proteins
- Receptor Protein-Tyrosine Kinases/genetics
- Receptor Protein-Tyrosine Kinases/physiology*
- Receptors, Eph Family
- Receptor, EphA3
- Zebrafish
- Protein Binding
- Cell Differentiation
- PubMed
- 9765210 Full text @ Genes & Dev.
Citation
Durbin, L., Brennan, C., Shiomi, K., Cooke, J., Barrios, A., Shanmugalingam, S., Guthrie, B., Lindberg, R., and Holder, N. (1998) Eph signaling is required for segmentation and differentiation of the somites. Genes & Development. 12:3096-3109.
Abstract
Somitogenesis involves the segmentation of the paraxial mesoderm into units along the anteroposterior axis. Here we show a role for Eph and ephrin signaling in the patterning of presomitic mesoderm and formation of the somites. Ephrin-A-L1 and ephrin-B2 are expressed in an iterative manner in the developing somites and presomitic mesoderm, as is the Eph receptor EphA4. We have examined the role of these proteins by injection of RNA, encoding dominant negative forms of Eph receptors and ephrins. Interruption of Eph signaling leads to abnormal somite boundary formation and reduced or disturbed myoD expression in the myotome. Disruption of Eph family signaling delays the normal down-regulation of her1 and Delta D expression in the anterior presomitic mesoderm and disrupts myogenic differentiation. We suggest that Eph signaling has a key role in the translation of the patterning of presomitic mesoderm into somites.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping