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| Citation | Collier, S., Chan, H.Y., Toda, T., McKimmie, C., Johnson, G., Adler, P.N., O'Kane, C., Ashburner, M. (2000). The Drosophila embargoed gene is required for larval progression and encodes the functional homolog of Schizosaccharomyces Crm1. Genetics 155(4): 1799--1807. (Export to RIS) | ||
| FlyBase ID | FBrf0129773 | ||
| Publication Type | Research paper | ||
| PubMed ID | 10924475 | ||
| PubMed Abstract | The CRM1 (Exportin 1) protein is a receptor for leucine-rich nuclear export signal sequences. We have molecularly characterized the Drosophila melanogaster embargoed (emb) gene and find that it encodes a product with 49 and 71% sequence identity to the fission yeast Schizosaccharomyces pombe and human CRM1 proteins, respectively. We show that expression of the emb cDNA is sufficient to suppress the growth phenotype of both conditional-lethal and null S. pombe crm1(-) mutant strains, suggesting that emb encodes the functional homologue of the S. pombe Crm1 protein. Through mutagenesis screens we have recovered a series of recessive lethal emb mutations. There is a substantial maternal contribution of emb mRNA and animals hemizygous for our emb alleles can develop to second instar larvae but persist at this stage and consistently fail to undergo the molt to the third instar stage. We see a nuclear accumulation of endogenous actin in the intestinal epithelial cells of the emb mutant larvae, consistent with a role for the emb gene product in nuclear export of actin protein. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Genetics | ||
| Title | Genetics | ||
| Publication Year | 1916- | ||
| ISBN/ISSN | 0016-6731 | ||
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Data from Reference
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| Aberrations (2)
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| Alleles (8)
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| Genes (5)
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| Insertions (3)
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