A genetic screen for mutations affecting gonad formation in Drosophila reveals a role for the slit/robo pathway.

A genetic screen for mutations affecting gonad formation in Drosophila reveals a role for the slit/robo pathway.
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DOI:
10.1016/j.ydbio.2011.02.023
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发表时间:
2011-05-15
影响因子:
2.7
通讯作者:
Van Doren M
Van Doren M
中科院分区:
生物学3区
文献类型:
--
作者:
Weyers JJ;Milutinovich AB;Takeda Y;Jemc JC;Van Doren M

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器官发生是一个复杂的过程,需要多种类型的细胞通过正确的细胞接触和正确的位置相互联系,以实现适当的器官形态和功能。为了更好地了解性腺形成的机制,我们对果蝇进行了突变筛选,并确定了性腺发生所需的24个基因。这些基因影响性腺形成的所有不同方面,并为理解控制这些过程的分子机制提供了一个框架。我们发现性腺的形成受到多个独立的途径的调控;其中一些途径调节关键细胞黏附分子DE-钙粘附素,而另一些途径则通过不同的机制发挥作用。此外,我们发现缝隙/回旋通路对正常的性腺形成是必不可少的,该通路以调节轴突引导而闻名。我们的发现揭示了性腺发生的复杂性以及正常器官形成所需的基因调控。
Organogenesis is a complex process requiring multiple cell types to associate with one another through correct cell contacts and in the correct location to achieve proper organ morphology and function. To better understand the mechanisms underlying gonad formation, we performed a mutagenesis screen in Drosophila and identified twenty-four genes required for gonadogenesis. These genes affect all different aspects of gonad formation and provide a framework for understanding the molecular mechanisms that control these processes. We find that gonad formation is regulated by multiple, independent pathways; some of these regulate the key cell adhesion molecule DE-cadherin, while others act through distinct mechanisms. In addition, we discover that the Slit/Roundabout pathway, best known for its role in regulating axonal guidance, is essential for proper gonad formation. Our findings shed light on the complexities of gonadogenesis and the genetic regulation required for proper organ formation.
DOI: 10.1016/s0092-8674(00)80590-5
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