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Genome-scale transcriptional study of hybrid effects and regulatory divergence in an F1 hybrid Ruellia (Wild Petunias: Acanthaceae) and its parents

机译:F1杂种Ruellia(野生矮牵牛:棘皮科)及其亲本的杂种效应和调控差异的基因组规模转录研究

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摘要

BackgroundNew combinations of divergent genomes can give rise to novel genetic functions in resulting hybrid progeny. Such functions may yield opportunities for ecological divergence, contributing ultimately to reproductive isolation and evolutionary longevity of nascent hybrid lineages. In plants, the degree to which transgressive genotypes contribute to floral novelty remains a question of key interest. Here, we generated an F1 hybrid plant between the red-flowered Ruellia elegans and yellow flowered R. speciosa. RNA-seq technology was used to explore differential gene expression between the hybrid and its two parents, with emphasis on genetic elements involved in the production of floral anthocyanin pigments.
机译:背景不同基因组的新组合可以在产生的杂交后代中产生新的遗传功能。这些功能可能会产生生态差异的机会,最终有助于新生杂交世系的生殖隔离和进化寿命。在植物中,海侵基因型对花卉新颖性的贡献程度仍然是关键问题。在这里,我们生成了在红色花朵的秀丽线虫和黄色花朵的R. speciosa之间的F1杂种植物。 RNA-seq技术用于探索杂种及其两个亲本之间的差异基因表达,重点是涉及花色花色素苷色素生产的遗传因素。

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