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CNVs into the wild: screening the genomes of conifer trees (Picea spp.) reveals fewer gene copy number variations in hybrids and links to adaptation

机译:CNV进入野外:对针叶树(Picea spp。)的基因组进行筛选后发现杂种中较少的基因拷贝数变异并且与适应相关

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摘要

BackgroundCopy number variations (CNVs) have been linked to different phenotypes in human, including many diseases. A genome-scale understanding of CNVs is available in a few plants but none are wild species, leaving a knowledge gap regarding their genome biology and evolutionary role. We developed a reliable CNV detection method for species lacking contiguous reference genome. We selected multiple probes within 14,078 gene sequences and developed comparative genome hybridization on arrays. Gene CNVs were assessed in three full-sib families from species with 20 Gb genomes, i.e., white and black spruce, and interior spruce - a natural hybrid.
机译:背景拷贝数变异(CNV)已与人类的不同表型相关联,包括许多疾病。在少数植物中可获得对CNV的基因组规模的了解,但都不是野生物种,因此在有关其基因组生物学和进化作用方面存在知识空白。我们为缺少连续参考基因组的物种开发了一种可靠的CNV检测方法。我们在14,078个基因序列中选择了多个探针,并在阵列上开发了比较基因组杂交。在具有20 Gb基因组的物种的三个全同胞家族中评估了基因CNV,即白云杉和黑云杉以及内部云杉-自然杂种。

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