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| Citation | Manheim, E.A., Jang, J.K., Dominic, D., McKim, K.S. (2002). Cytoplasmic localization and evolutionary conservation of MEI-218, a protein required for meiotic crossing-over in Drosophila. Mol. Biol. Cell 13(1): 84--95. (Export to RIS) | ||
| FlyBase ID | FBrf0145112 | ||
| Publication Type | Research paper | ||
| PubMed ID | 11809824 | ||
| PubMed Abstract | During Drosophila oogenesis, the oocyte is formed within a 16-cell cyst immediately after four incomplete cell divisions. One of the primary events in oocyte development is meiotic recombination. Here, we report the intracellular localization of the MEI-218 protein that is specifically required for meiotic crossing-over. To understand the role of mei-218 in meiosis and to study the regulation of genes required for meiotic recombination, we characterized the expression pattern of its RNA and protein. Furthermore, we cloned and sequenced mei-218 from two other Drosophila species. The mei-218 RNA and protein have a similar expression pattern, appearing first in early meiotic prophase and then rapidly disappearing as prophase is completed. This pattern corresponds to a specific appearance of the mei-218 gene product in the region of the ovary where meiotic prophase occurs. Although mei-218 is required for 95% of all crossovers, the protein is found exclusively in the cytoplasm. Based on these results, we suggest that mei-218 does not have a direct role in recombination but rather regulates other factors required for the production of crossovers. We propose that mei-218 is a molecular link between oocyte differentiation and meiosis. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Mol. Biol. Cell | ||
| Title | Molecular Biology of the Cell | ||
| Publication Year | 1992- | ||
| ISBN/ISSN | 1059-1524 | ||
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Data from Reference
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| Alleles (21)
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| Constructs (3)
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| Genes (13)
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| Insertions (13)
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