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  1. ...-sex chromosomes. These fusions increase the number of sex-linked genes, which can thus evolve faster than genes on other chromosomes—a phenomenon known as the Faster-X/Z effect (Coyne 2018). Theory predicts that sex chromosome–autosome (SA) fusions should be rare when the diploid autosome count is greater than 15...
  2. ...of Drosophila miranda, where TE accumulation has increased the level of silencing histone modifications (H3K9me3) and thus induced gene down-regulation (Zhou et al. 2013). Although the TE content of emu WS1 is comparable to that of the PAR and autosomes (9.3% vs. 7.3% and 9.8%), it has become 1.6-fold higher...
  3. ...repetitive DNA to evolve, such as sex-chromosome meiotic drive. Such conflicts have driven the proliferation of sex-linked gene families in mammals and Drosophila (Cocquet et al. 2012; Kruger et al. 2019; for review, see Jaenike 2001). These conflicts may also impose selection pressures that trigger...
  4. ...a whole- shotgun: release 3 of the Drosophila melanogaster euchromatic sequence. Genome Biol 3: RESEARCH0079. doi:10.1186/gb-2002-3-12-research0079 ↵Charlesworth B. 1996. The evolution of chromosomal sex determination and dosage compensation. Curr Biol 6: 149–162. doi:10.1016/S0960...
  5. ...-biased autosomal genes may show a high degree of expression variability.Rates of sex-bias turnover are high and chromosome specificThese observations prompted us to look at the evolution of sex-biased genes at the expression level. First, we looked at the turnover of sex-biased genes between the three Drosophila...
  6. ...across mammals. Nature 508: 488–493. Deng X, Hiatt JB, Nguyen DK, Ercan S, Sturgill D, Hillier LW, Schlesinger F, Davis CA, Reinke VJ, Gingeras TR, et al. 2011. Evidence for compensatory upregulation of expressed X-linked genes in mammals, Caenorhabditis elegans and Drosophila melanogaster. Nat Genet 43...
  7. ...on Drosophila autosomes and X chromosomes and suggests that the pattern is shaped by natural selection acting on male functions. Our results contribute to a global picture of sex chromosome evolution in the Drosophila .MethodsData sourcesGenome sequence and annotations were obtained from the UCSC Genome Browser...
  8. ...Age-dependent chromosomal distribution of male-biased genes in Drosophila Yong E. Zhang 1 , Maria D. Vibranovski 1 , Benjamin H. Krinsky 2 and Manyuan Long 1 , 2 , 3 1 Department of Ecology and Evolution, University of Chicago...
  9. ...). Compensation of gene expression by autosomal X-retrotransposed geneswas also found in a variety of organisms includingDrosophila (Vibranovski et al. 2009), suggesting that compensation by the retrotransposed copies is a common strategy among species. Of note, these classes of genes are housekeeping genes...
  10. ...reported. Specifically, we find that Drosophila melanogaster evolves faster than D. simulans at all annotated classes of sites, including putatively neutrally evolving sites found in minimal introns. While this may be partly explained by a higher mutation rate in D. melanogaster , we also find...
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