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首页> 外文期刊>Trends in Plant Science >Mitochondrial tuning fork in nuclear homeotic functions [Review]
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Mitochondrial tuning fork in nuclear homeotic functions [Review]

机译:线粒体音叉在核同源功能中的作用[综述]

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摘要

Homeotic-like flower morphologies in plants with cytoplasmic male sterility (CMS) are maternally inherited and associated with rearrangements in mitochondrial DNA. Recent studies allow an interpretation of dramatic CMS morphologies in the light of the floral ABC model. They uncover new nuclear targets for interactions with mitochondrial genes. GLOBOSA-, DEFICIENS- and APETALA3-like genes were transcriptionally down-regulated in carpelloid CMS flowers of tobacco, carrot and wheat. These results allow cooperation between nuclear and cytoplasmic genetic compartments to be considered as a developmental function and an evolutionary mechanism of speciation.
机译:具有细胞质雄性不育(CMS)的植物中的同源等位花形态是母系遗传的,并与线粒体DNA的重排有关。最近的研究允许根据花卉ABC模型解释剧烈的CMS形态。他们发现了与线粒体基因相互作用的新核靶标。在烟草,胡萝卜和小麦的类胡萝卜素CMS花中,类似GLOBOSA,DEFICIENS和APETALA3的基因转录下调。这些结果使核和细胞质遗传区室之间的合作被视为物种形成的发展功能和进化机制。

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