Identifying Genes with Different Expression in Male and Female Zebrafish
Author Information
Author(s): Sreenivasan Rajini, Cai Minnie, Bartfai Richard, Wang Xingang, Christoffels Alan, Orban Laszlo
Primary Institution: Temasek Life Sciences Laboratory, Singapore
Hypothesis
What are the genes that show sexually dimorphic expression in zebrafish gonads and brains?
Conclusion
The study identified numerous genes with sexually dimorphic expression in the gonads and brains of zebrafish, providing insights into their roles in reproduction.
Supporting Evidence
- Identified 116638 gonad-derived zebrafish expressed sequence tags (ESTs).
- Constructed a gonad-derived microarray comprising 6370 unique, full-length cDNAs.
- Revealed 1366, 881, and 656 differentially expressed transcripts in ovary, testis, and both gonads respectively.
Takeaway
The researchers looked at zebrafish to find out which genes are different in males and females, helping us understand how they reproduce.
Methodology
The study used a gonad-derived cDNA microarray to analyze gene expression in adult zebrafish gonads and other organs.
Limitations
The inability of cDNA microarrays to distinguish between splice isoforms may have affected the results.
Participant Demographics
Adult zebrafish from the AB strain and a local strain called Toh.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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