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Reference Report
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| Citation | Li, X., Noll, M. (1994). Evolution of distinct developmental functions of three Drosophila genes by acquisition of different cis-regulatory regions. Nature 367(6458): 83--87. (Export to RIS) | ||
| FlyBase ID | FBrf0068576 | ||
| Publication Type | Research paper | ||
| PubMed ID | 7906390 | ||
| PubMed Abstract | It is generally accepted that the specific function of a gene depends on its coding sequence. The three paired-box and homeobox genes paired (prd), gooseberry (gsb) and gooseberry neuro (gsbn) have distinct developmental functions in Drosophila embryogenesis. During the syncytial blastoderm stage, the pair-rule gene prd activates segment-polarity genes, such as gsb, wingless (wg), and engrailed (en), in segmentally repeated stripes. After germ-band extension, gsb maintains the expression of wg, which in turn specifies the denticle pattern by repressing a default state of ubiquitous denticle formation in the ventral epidermis. In addition, gsb activates gsbn, which is expressed mainly in the central nervous system, suggesting that gsbn is involved in neural development. Here we show that, despite the functional difference and the considerably diverged coding sequence of these genes, their proteins have conserved the same function. The finding that the essential difference between genes may reside in their cis-regulatory regions exemplifies an important evolutionary mechanism of how function diversifies after gene duplication. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Nature | ||
| Title | Nature | ||
| Publication Year | 1869- | ||
| ISBN/ISSN | 0028-0836 | ||
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Data from Reference
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| Aberrations (1)
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| Alleles (4)
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| Constructs (4)
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| Genes (3)
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| Sequence features (2)
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