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Expression pattern of the winged helix factor XFD-11 during Xenopus embryogenesis
M Köster1, K Dillinger, W Knöchel
1Abteilung Biochemie, Universität Ulm, Albert Einstein Allee 11, D-89081, Ulm, Germany.
Mechanisms of Development
|October 10, 1998
Summary
Researchers identified a novel Xenopus winged helix transcription factor, XFD-11. Its expression patterns suggest roles in early embryonic development, particularly in mesoderm and neuroectoderm.
Area of Science:
- Developmental Biology
- Molecular Biology
- Genetics
Background:
- Winged helix transcription factors play crucial roles in embryonic development.
- Understanding novel transcription factors aids in deciphering gene regulatory networks.
Purpose of the Study:
- To identify and characterize a novel Xenopus winged helix transcription factor.
- To investigate the expression pattern of the XFD-11 gene during Xenopus embryogenesis.
Main Methods:
- cDNA cloning to identify the novel transcription factor.
- Whole-mount in situ hybridization to determine gene expression patterns.
Main Results:
- A novel Xenopus fork head domain (XFD-11) gene was identified.
- XFD-11 expression begins at late blastula/early gastrula stages and continues throughout embryogenesis.
- Specific expression domains include ventral/lateral mesoderm, posterior mesoderm, neural plate borders, anterior neuroectoderm, pronephros, heart, neural crest cells, and pharyngeal arches.
Conclusions:
- XFD-11 is a novel transcription factor with dynamic expression during Xenopus development.
- Its expression patterns suggest involvement in the development of various embryonic tissues, including mesoderm, neuroectoderm, and craniofacial structures.