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  1. ...on this analysis because the pairs are not phylogenetically independent.We observed more variation between kidney transcriptomes of arid species compared with mesic species. This is explained if adaptation to aridity drives kidney diversification and/or drives faster genomic evolution, but mesic species tend...
  2. ...different preferences. Transposable elements are a source of genetic novelty between populations and species, driving rapid adaptive evolution. However, the extent of TEs’ contribution to host shift remains unexplored. Here, we perform genomic and transcriptomic analyses in six s of cactophilic species...
  3. ...6BT, United Kingdom; 2Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London NW1 1AT, United Kingdom; 3Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London WC1E 6DD, United Kingdom; 4University College London Cancer...
  4. ...-seq peaks detected in treated fish (53,102 ± 6,142) 154 compared to PBS controls (39,869 ± 11,858). These accessible regions were distributed 155 across promoter-TSS (10%), exonic (13%), intronic (45%), and intergenic (26%) features of 156 the (Supplementary Figure 2A). To illustrate the data quality...
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  5. .... briggsae strains and nine C. nigoni strains, including both reference strains. Through comparative pan-genomic analyses of both nematode species, we aim to identify the critical structural and genetic variations that drive intra- and interspecific evolution, ultimately leading to speciation...
  6. ...that these arrays are embedded in conserved genomic regions, with >90% similarity in the 10-kb flanking regions (Supplemental Fig. S15). However, the PCA showed species-specific clustering of repeats (Fig. 6A), suggesting that the ∼40-kb array was present in the common ancestor but diverged through gene conversion...
  7. ...-C heatmap based on the strong inter-chromosomal contact peaks (“bowtie” shapes) caused by Rabl centromere clustering (Fig. 1B; Varoquaux et al. 2015; Muller et al. 2019). These interaction sites were enriched for TEs and overlapped with gene-sparse regions spanning hundreds of kilobases (Figs. 1A, 2A...
  8. ...). These observations imply that a simple model of purifying selection alone is insufficient to explain the effect of pleiotropy on CRE evolution and suggest a role for compensatory evolution.Zooming into tissue effects, in line with previous investigations on brain evolution (Kuma et al. 1995; Wang et al. 2007...
  9. ...been most effective at evading silencing during salmonid evolution are likely the CRE superspreaders, yet these TE-CREs do not have a “younger” age profile compared with TE-CREs from nonsuperspreaders (Fig. 4A). Additionally, our results show that TE insertions from historically highly active DTT...
  10. ...transposable element (TE) activity in the animal germline via a specialized class of small RNAs called piwi-interacting RNAs (piRNAs). piRNAs are produced from discrete genomic regions called piRNA clusters (piCs). Although the molecular processes by which piCs function are relatively well understood...
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