Identification of a novel Leucine-rich repeat protein and candidate PP1 regulatory subunit expressed in developing spermatids
2008
Discovery of a New Protein in Developing Sperm Cells
publication
Evidence: moderate
Author Information
Author(s): Wang Rong, Sperry Ann O
Primary Institution: Brody School of Medicine at East Carolina University
Hypothesis
The study aims to identify proteins in the testis that interact with the KIFC1 molecular motor.
Conclusion
The study identified a novel leucine-rich repeat protein, TLRR, that is expressed in the testis and associates with the manchette of developing spermatids.
Supporting Evidence
- TLRR is expressed primarily in the testis and associates with the manchette of developing spermatids.
- TLRR contains a consensus-binding site for protein phosphatase-1 (PP1).
- Immunocytochemistry shows TLRR localization near the spermatid nucleus.
Takeaway
Scientists found a new protein in testis that helps in the development of sperm by working with another protein to shape the sperm cell.
Methodology
The researchers used a yeast 2-hybrid screen of a testis cDNA library to identify proteins that interact with KIFC1.
Digital Object Identifier (DOI)
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