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| Content Provider | Springer Nature Link |
|---|---|
| Author | Phoungpetchara, Ittipon Tinikul, Yotsawan Poljaroen, Jaruwan Changklungmoa, Narin Siangcham, Tanapan Sroyraya, Morakot Chotwiwatthanakun, Charoonroj Vanichviriyakit, Rapeepun Hanna, Peter J. Sobhon, Prasert |
| Copyright Year | 2012 |
| Abstract | Phosphorylated sperm proteins are crucial for sperm maturation and capacitation as a priori to their fertilization with eggs. In the freshwater prawn, Macrobrachium rosenbergii, a male reproduction-related protein (Mar-Mrr) was known to be expressed only in the spermatic ducts as a protein with putative phosphorylation and may be involved in sperm capacitation in this species. We investigated further the temporal and spatial expression of the Mar-Mrr gene using RT-PCR and in situ hybridization and the characteristics and fate of the protein using immunblotting and immunocytochemistry. The Mar-Mrr gene was first expressed in 4-week-old post larvae and the protein was produced in epithelial cells lining the spermatic ducts, at the highest level in the proximal region and decreased in the middle and distal parts. The native protein had a MW of 17 kDa and a high degree of serine/threonine phosphorylation. It was transferred from the epithelial cells to become a major protein at the anterior region of the sperm. We suggest that it is involved in sperm capacitation and fertilization in this open thelycal species and this is being investigated. |
| Starting Page | 609 |
| Ending Page | 623 |
| Page Count | 15 |
| File Format | |
| ISSN | 0302766X |
| Journal | Cell and Tissue Research |
| Volume Number | 348 |
| Issue Number | 3 |
| e-ISSN | 14320878 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-03-18 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Macrobrachium rosenbergii Spermatic duct Histology Sperm Phosphorylated proteins Capacitation Human Genetics Molecular Medicine Proteomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Histology Pathology and Forensic Medicine |
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