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Expression of Msgn1 in the presomitic mesoderm is controlled by synergism of WNT signalling and Tbx6.

MPG-Autoren
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Wittler,  Lars
Transgene Unit (Head: Lars Wittler), Scientific Service (Head: Manuela B. Urban), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Shin,  Eun-ha
Dept. of Developmental Genetics (Head: Bernhard G. Herrmann), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Grote,  Phillip
Dept. of Developmental Genetics (Head: Bernhard G. Herrmann), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Werber,  Martin
Dept. of Developmental Genetics (Head: Bernhard G. Herrmann), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Herrmann,  Bernhard G.
Dept. of Developmental Genetics (Head: Bernhard G. Herrmann), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Zitation

Wittler, L., Shin, E.-h., Grote, P., Kispert, A., Beckers, A., Gossler, A., et al. (2007). Expression of Msgn1 in the presomitic mesoderm is controlled by synergism of WNT signalling and Tbx6. EMBO Reports, 8(8), 784-789. doi:10.1038/sj.embor.7401030.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-819B-7
Zusammenfassung
The vertebral column and skeletal muscles of vertebrates are derived from the paraxial mesoderm, which is laid down initially as two stripes of mesenchymal cells alongside the neural tube and subsequently segmented. Previous work has shown that the wingless-type MMTV integration site family (WNT), fibroblast growth factor- and Delta–Notch signalling pathways control presomitic mesoderm (psm) formation and segmentation. Here, we show that the expression of mesogenin 1, a basic helix–loop–helix transcription factor, which is essential for psm maturation, is regulated by synergism between WNT signalling and the T-box 6 transcription factor, involving a feed-forward control mechanism. These findings emphasize the crucial role of WNT signalling in the control of psm formation, maturation and segmentation.