Application for the Drosophila ventral nerve cord standard in neuronal circuit reconstruction and in-depth analysis of mutant morphology.

Application for the Drosophila ventral nerve cord standard in neuronal circuit reconstruction and in-depth analysis of mutant morphology.
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DOI:
10.3109/01677063.2010.489624
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发表时间:
2010-09
影响因子:
1.9
通讯作者:
Godenschwege TA
Godenschwege TA
中科院分区:
医学4区
文献类型:
--
作者:
Boerner J;Godenschwege TA

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果蝇标准大脑是一种有用的工具,它提供了有关野生型大脑内不同大脑结构的位置和大小的信息,并允许比较从各个制剂中收集的成像数据。因此,该标准可用于揭示和可视化野生型和突变型大脑之间大脑区域的差异,并可以提供神经系统内单个神经元的空间描述。最近,腹神经索(VNC)标准的产生对标准大脑进行了补充。在这里,作者将简单神经元回路——巨型纤维系统(GFS)——的主要组件注册到了这个标准中。作者表明,当他们将来自不同制剂的单个神经元注册到 VNC 标准中时,他们还可以虚拟地重建巨型纤维与其运动神经元目标的良好突触接触。除了标准胸部在神经元回路重建中的潜在应用之外,作者还表明它是深入分析单个神经元突变形态的有用工具。作者使用标准 VNC 中的平均野生型 GFS 作为参考,比较两种不同神经胶质细胞等位基因 nrg849 和 nrgG00305 的巨纤维,发现了定量和定性差异。
The Drosophila standard brain has been a useful tool that provides information about position and size of different brain structures within a wild-type brain and allows the comparison of imaging data that were collected from individual preparations. Therefore the standard can be used to reveal and visualize differences of brain regions between wild-type and mutant brains and can provide spatial description of single neurons within the nervous system. Recently the standard brain was complemented by the generation of a ventral nerve cord (VNC) standard. Here the authors have registered the major components of a simple neuronal circuit, the Giant Fiber System (GFS), into this standard. The authors show that they can also virtually reconstruct the well-characterized synaptic contact of the Giant Fiber with its motorneuronal target when they register the individual neurons from different preparations into the VNC standard. In addition to the potential application for the standard thorax in neuronal circuit reconstruction, the authors show that it is a useful tool for in-depth analysis of mutant morphology of single neurons. The authors find quantitative and qualitative differences when they compared the Giant Fibers of two different neuroglian alleles, nrg849 and nrgG00305, using the averaged wild-type GFS in the standard VNC as a reference.
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