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首页> 外文期刊>Trends in Plant Science >Plastid endosymbiosis, genome evolution and the origin of green plants
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Plastid endosymbiosis, genome evolution and the origin of green plants

机译：质体内共生，基因组进化和绿色植物的起源

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Evolutionary relationships among complex, multicellular eukaryotes are generally interpreted within the framework of molecular sequence-based phylogenies that suggest green plants and animals are only distantly related on the eukaryotic tree. However, important anomalies have been reported in phylogenomic analyses, including several that relate specifically to green plant evolution. In addition, plants and animals share molecular, biochemical and genome-level features that suggest a relatively close relationship between the two groups. This article explores the impacts of plastid endosymbioses on nuclear genomes, how they can explain incongruent phylogenetic signals in molecular data sets and reconcile conflicts among different sources of comparative data. Specifically, I argue that the large influx of plastid DNA into plant and algal nuclear genomes has resulted in tree-building artifacts that obscure a relatively close evolutionary relationship between green plants and animals.
机译：复杂的多细胞真核生物之间的进化关系通常在基于分子序列的系统进化论框架内进行解释，这表明绿色植物和动物在真核生物树上仅相距遥远。但是，在系统生物学分析中已经报告了重要的异常现象，包括一些与绿色植物进化特别相关的异常现象。此外，动植物具有分子，生化和基因组水平的特征，这表明两组之间的关系相对密切。本文探讨了质体内共生酶对核基因组的影响，它们如何解释分子数据集中不一致的系统发育信号，以及如何调和不同比较数据源之间的冲突。具体而言，我认为质体DNA大量流入植物和藻类核基因组已导致造树伪影，掩盖了绿色动植物之间相对较近的进化关系。

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