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用于 Drosophila 重组转基因和神经遗传学分析的模块化工具集。

A modular toolset for recombination transgenesis and neurogenetic analysis of Drosophila.

机构信息

Center for Motor Neuron Biology and Disease, Department of Pathology and Cell Biology, Columbia University, New York, New York, United States of America.

出版信息

PLoS One. 2012;7(7):e42102. doi: 10.1371/journal.pone.0042102. Epub 2012 Jul 25.

Abstract

Transgenic Drosophila have contributed extensively to our understanding of nervous system development, physiology and behavior in addition to being valuable models of human neurological disease. Here, we have generated a novel series of modular transgenic vectors designed to optimize and accelerate the production and analysis of transgenes in Drosophila. We constructed a novel vector backbone, pBID, that allows both phiC31 targeted transgene integration and incorporates insulator sequences to ensure specific and uniform transgene expression. Upon this framework, we have built a series of constructs that are either backwards compatible with existing restriction enzyme based vectors or utilize Gateway recombination technology for high-throughput cloning. These vectors allow for endogenous promoter or Gal4 targeted expression of transgenic proteins with or without fluorescent protein or epitope tags. In addition, we have generated constructs that facilitate transgenic splice isoform specific RNA inhibition of gene expression. We demonstrate the utility of these constructs to analyze proteins involved in nervous system development, physiology and neurodegenerative disease. We expect that these reagents will facilitate the proficiency and sophistication of Drosophila genetic analysis in both the nervous system and other tissues.

摘要

转基因果蝇除了是人类神经疾病的有价值模型外,还广泛有助于我们理解神经系统的发育、生理学和行为。在这里,我们生成了一系列新型的模块化转基因载体,旨在优化和加速果蝇中转基因的产生和分析。我们构建了一个新型的载体骨架 pBID,它允许 phiC31 靶向的转基因整合,并包含绝缘子序列以确保特定且均匀的转基因表达。在此框架上,我们构建了一系列构建体,要么与现有的基于限制酶的载体向后兼容,要么利用 Gateway 重组技术进行高通量克隆。这些载体允许内源性启动子或 Gal4 靶向表达转基因蛋白,带有或不带有荧光蛋白或表位标签。此外,我们还生成了构建体,以促进转基因剪接异构体特异性 RNA 抑制基因表达。我们证明了这些构建体在分析参与神经系统发育、生理学和神经退行性疾病的蛋白质中的效用。我们期望这些试剂将促进果蝇遗传分析在神经系统和其他组织中的熟练程度和复杂性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d868/3405054/b3d0159ea6a3/pone.0042102.g001.jpg

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