Hox genes and regional patterning of the vertebrate body plan.

Hox genes and regional patterning of the vertebrate body plan.
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DOI:
10.1016/j.ydbio.2010.04.024
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发表时间:
2010-08-01
影响因子:
2.7
通讯作者:
Deschamps, Jacqueline
Deschamps, Jacqueline
中科院分区:
生物学3区
文献类型:
--
作者:
Mallo, Moises;Wellik, Deneen M.;Deschamps, Jacqueline

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自从果蝇果蝇中发现Hox基因以来,已经过去了几十年。它们独特的沿前后(AP)轴形态学的能力为它们赢得了当之无愧的关注,这是胚胎发育的重要调节剂。小鼠HOX基因中由于损失和功能获得突变引起的表型表明,这些基因的时空控制表达对于胚胎轴向结构的正确形态发生至关重要。在这里,我们回顾了对HOX蛋白功能的模式的最新新见解,该方法将特定的身份赋予椎骨的解剖区域,以及控制这些组织的出现与为它们提供轴向身份同时控制这些组织的出现。这些功能的控制必须与进化过程中的身体计划的塑造密切相关。
Several decades have passed since the discovery of Hox genes in the fruit fly Drosophila melanogaster. Their unique ability to regulate morphologies along the anteroposterior (AP) axis earned them well-deserved attention as important regulators of embryonic development. Phenotypes due to loss- and gain-of-function mutations in mouse Hox genes have revealed that the spatiotemporally controlled expression of these genes is critical for the correct morphogenesis of embryonic axial structures. Here, we review recent novel insight into the modalities of Hox protein function in imparting specific identity to anatomical regions of the vertebral column, and in controlling the emergence of these tissues concomitantly with providing them with axial identity. The control of these functions must have been intimately linked to the shaping of the body plan during evolution.
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