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2 results for “plumage structure”
Duck pan-genome reveals two transposon-derived structural variations caused bodyweight enlarging and white plumage phenotype formation during evolution
<p><span>Structural variations (SVs) are a major source of domestication and improvement traits. We present the first duck pan-genome constructed using five genome assemblies capturing ~40.98 Mb new sequences. This pan-genome together with high-depth sequencing data (>46.5X) identified 101,041 SVs, of which substantial proportions were derived from transposable element (TE) activity. Many TE-derived SVs anchored in a gene body or regulatory region are linked to domestication and improvement. By combining quantitative genetics with molecular experiments, we dissect how TE-derived SVs change gene expression of <em>IGF2BP1</em> and generate novel transcripts of <em>MITF</em>, shaping body weight and plumage color. In the <em>IGF2BP1</em> locus, the TE-derived SV explains the largest effect on body weight among avian species (27.61% of phenotypic variation). Our findings highlight the </span><span>importance of using a pan-genome as a reference in genomics studies</span><span> and explore the roles of TE-derived SVs in trait formation and in livestock breeding.</span></p>
Duck pan-genome reveals two transposon-derived structural variations caused bodyweight enlarging and white plumage phenotype formation during evolution
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