Related Experiment Videos
Expression pattern of Siaz gene during the zebrafish embryonic development
Hyunju Ro1, Kyoon E Kim, Tae L Huh
1Department of Biology, College of Natural Sciences Chungnam National University, Daejeon 305-764, South Korea.
Gene Expression Patterns : GEP
|August 14, 2003
Summary
Researchers identified a new zebrafish gene, Siaz, a homolog of Drosophila seven in absentia (SINA). Siaz shows maternal inheritance and specific expression patterns in developing zebrafish tissues, including the brain and eye.
Area of Science:
- Developmental Biology
- Genetics
- Molecular Biology
Background:
- Siah proteins are mammalian homologs of Drosophila seven in absentia (SINA).
- The SINA/Siah gene family plays roles in various biological processes.
- Understanding novel gene family members is crucial for evolutionary and functional studies.
Purpose of the Study:
- To identify and characterize a new member of the SINA/Siah gene family in zebrafish.
- To investigate the expression pattern of the newly identified gene during zebrafish development.
Main Methods:
- Bioinformatic analysis to identify homologous genes.
- Sequence analysis to predict protein homology.
- Whole-mount in situ hybridization to determine gene expression patterns in zebrafish embryos.
Main Results:
- Identification of a novel zebrafish gene, designated Siaz.
- Siaz product predicted to share extensive amino acid homology with Drosophila SINA.
- Siaz exhibits maternal inheritance and zygotic expression starting at the mid-blastula transition.
- Stage-specific expression of Siaz observed in the brain, eye, cranial cavity, otic vesicle, optic chiasm, and gut after the 20-somite stage.
Conclusions:
- Siaz represents a new member of the SINA/Siah gene family in zebrafish.
- The expression pattern suggests Siaz plays a role in the development of specific tissues and organs in zebrafish.
- Further studies are warranted to elucidate the precise function of Siaz in zebrafish development.