Related Experiment Videos
Identification and expression of the amphioxus Cks1 gene
Hui Yang1, Zhong-Ke Chen, Xiao-Hui Zhang
1School of life science, Shandong University, Jinan 250100, China.
Cell Biology International
|June 28, 2005
Summary
Researchers identified the AmphiCks1 gene in amphioxus, revealing its conserved nature and expression during early development. This suggests a crucial role for this cell division gene in embryonic and larval stages.
Area of Science:
- Developmental Biology
- Evolutionary Biology
- Molecular Biology
Background:
- The Cks1 gene is essential for cell cycle regulation in eukaryotes.
- Understanding Cks1 homologues in diverse species provides insights into conserved biological mechanisms.
Purpose of the Study:
- To identify and characterize the Cks1 homologue in amphioxus (Branchiostoma belcheri tsingtauense).
- To investigate the evolutionary conservation and developmental expression patterns of AmphiCks1.
Main Methods:
- Gene identification and sequencing.
- Bioinformatic analysis for protein characteristics and phylogeny.
- Northern blotting and whole-mount in situ hybridization for expression analysis.
Main Results:
- A full-length Cks1 homologue, AmphiCks1, was successfully identified in amphioxus.
- AmphiCks1 protein shares high sequence identity with known Cks1 homologues.
- Phylogenetic analysis confirms the evolutionary conservation of Cks homologues.
- AmphiCks1 transcripts are widely detected during early embryonic and larval development.
Conclusions:
- AmphiCks1 is a conserved Cks1 homologue in amphioxus.
- The expression patterns suggest AmphiCks1 plays a significant role in cell division during development.