A modular toolset of phiC31-based fluorescent protein tagging vectors for Drosophila

A modular toolset of phiC31-based fluorescent protein tagging vectors for Drosophila
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用于果蝇的基于 phiC31 的荧光蛋白标记载体的模块化工具集

DOI:
10.1080/19336934.2019.1595999
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发表时间:
2019-03
期刊:
Fly
影响因子:
1.2
通讯作者:
Chen Jiong
Chen Jiong
中科院分区:
生物学4区
文献类型:
--
作者:
Luo Jun;Shen Pingping;Chen Jiong

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摘要 果蝇转基因技术和荧光蛋白融合是分析蛋白质表达模式、亚细胞定位和蛋白质动力学的强大工具。最近,高效的phiC31位点特异性整合系统改进了果蝇转基因技术。已经开发出许多具有理想优点的新的和改进的荧光蛋白。然而,phiC31系统和新开发的荧光蛋白尚未在果蝇转基因载体中系统应用。在这里,我们构建了基于 phiC31 位点特异性整合系统的 C 端荧光蛋白融合载体的模块化工具集,用于生成转基因果蝇系。这些克隆载体含有多种荧光标签,包括蓝色、青色、绿色或红色荧光蛋白、光激活或光可切换荧光蛋白、荧光计时器、光敏剂和双分子荧光互补标签。这些载体提供了一系列转录调控选项,包括 UAST、UASP、UASC、LexAop、QUAS、Ubi、αTub67C 和 αTub84B 启动子,以及两种筛选标记选项,包括白色和朱红色基因。这些载体已经过体内测试,可以产生有功能的荧光嵌合蛋白。
ABSTRACT The Drosophila transgenic technology and fluorescent protein fusions are powerful tools to analyze protein expression patterns, subcellular localization and protein dynamics. Recently, the Drosophila transgenic technology has been improved by the highly efficient phiC31 site-specific integration system. Many new and improved fluorescent proteins with desirable advantages have been developed. However, the phiC31 system and the newly developed fluorescent proteins have not been systematically applied in Drosophila transgenic vectors. Here, we have constructed a modular toolset of C-terminal fluorescent protein fusion vectors based on phiC31 site-specific integration system for the generation of transgenic Drosophila lines. These cloning vectors contain a variety of fluorescent tags, including blue, cyan, green or red fluorescent proteins, photoactivatable or photoswitchable fluorescent proteins, fluorescent timers, photosensitizers and bimolecular fluorescence complementation tags. These vectors provide a range of transcriptional regulation options including UAST, UASP, UASC, LexAop, QUAS, Ubi, αTub67C and αTub84B promoters, and two screening marker options including white and vermilion gene. The vectors have been tested in vivo and can produce fluorescent chimeric proteins that are functional.
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