High divergence in primate-specific duplicated regions: Human and chimpanzee Chorionic Gonadotropin Beta genes
2008
High Divergence in Primate-Specific Duplicated Regions: Human and Chimpanzee Chorionic Gonadotropin Beta Genes
publication
Evidence: moderate
Author Information
Author(s): Hallast Pille, Saarela Janna, Palotie Aarno, Laan Maris
Primary Institution: University of Tartu
Hypothesis
Comparative studies of human and chimpanzee duplicated genes may assist in understanding the mechanisms behind primate evolution.
Conclusion
The study suggests that parallel duplication events may have contributed to genetic differences separating humans from chimpanzees.
Supporting Evidence
- Human LHB/CGB region is 5,289 bp longer than the chimpanzee region.
- Six CGB genes are present in humans compared to five in chimpanzees.
- High sequence identity among LHB/CGB genes suggests functional differentiation.
Takeaway
Humans and chimpanzees have different numbers of certain genes because of duplications that happened in their evolutionary history.
Methodology
Shotgun sequencing and comparison of the human and chimpanzee LHB/CGB regions.
Limitations
The study is limited to the LHB/CGB gene cluster and may not represent other genomic regions.
Statistical Information
P-Value
0.049
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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