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Zebrafish cyclin D1 is differentially expressed during early embryogenesis
A Yarden1, D Salomon, B Geiger
1Department of Chemical Immunology, Weizmann Institute of Science, Rehovot, Israel.
Biochimica Et Biophysica Acta
|December 27, 1995
Summary
Researchers identified the cyclin D1 gene in zebrafish embryos, finding it
Area of Science:
- Developmental Biology
- Molecular Genetics
- Gene Expression
Background:
- Cyclin D1 is a key regulator of the cell cycle.
- Understanding its role in early development is crucial.
Purpose of the Study:
- To isolate and sequence the zebrafish cyclin D1 gene.
- To investigate its expression patterns during embryonic development.
Main Methods:
- cDNA library screening
- Nucleotide sequencing
- Gene expression analysis
Main Results:
- Isolated and sequenced the complete coding region of zebrafish cyclin D1.
- Confirmed cyclin D1 as a single-copy gene in zebrafish.
- Observed alternative polyadenylation of the cyclin D1 gene.
- Detected initial cyclin D1 transcript expression at the G1 phase onset in developing embryos.
Conclusions:
- The zebrafish cyclin D1 gene is regulated by alternative polyadenylation.
- Cyclin D1 expression is initiated early in zebrafish embryogenesis, coinciding with the G1 phase.