Analysis of Gal4 Expression Patterns in Adult Drosophila Females.

Analysis of Gal4 Expression Patterns in Adult Drosophila Females.
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Gal 4在果蝇雌性成虫中的表达模式分析

DOI:
10.1534/g3.120.401676
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发表时间:
2020-11-05
期刊:
G3 (Bethesda, Md.)
影响因子:
--
通讯作者:
Drummond-Barbosa D
Drummond-Barbosa D
中科院分区:
其他
文献类型:
--
作者:
Weaver LN;Ma T;Drummond-Barbosa D

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对特定细胞类型或组织进行精确的基因操作以查明基因功能需求是旨在揭示有机体生理学复杂性的研究中的关键一步。果蝇研究人员严重依赖 UAS/Gal4/Gal80 系统进行组织特异性操作;然而,通常不清楚报道的 Gal4 表达模式是否确实特定于感兴趣的组织,因此实验结果不会因 Gal4 表达的次要位点而混淆。在这里,我们调查了在最佳条件下成年果蝇雌性组织中常用 Gal4 驱动程序的表达模式,发现多个驱动程序在其已发表的细胞类型/组织表达模式之外具有未报告的二级表达位点。这些结果强调了彻底表征 Gal4 工具作为严格实验设计的一部分的重要性,当我们努力了解一个组织中特定基因/通路的功能如何促进全身生理学时,可以避免对结果的潜在误解。
Precise genetic manipulation of specific cell types or tissues to pinpoint gene function requirement is a critical step in studies aimed at unraveling the intricacies of organismal physiology. Drosophila researchers heavily rely on the UAS/Gal4/Gal80 system for tissue-specific manipulations; however, it is often unclear whether the reported Gal4 expression patterns are indeed specific to the tissue of interest such that experimental results are not confounded by secondary sites of Gal4 expression. Here, we surveyed the expression patterns of commonly used Gal4 drivers in adult Drosophila female tissues under optimal conditions and found that multiple drivers have unreported secondary sites of expression beyond their published cell type/tissue expression pattern. These results underscore the importance of thoroughly characterizing Gal4 tools as part of a rigorous experimental design that avoids potential misinterpretation of results as we strive for understanding how the function of a specific gene/pathway in one tissue contributes to whole-body physiology.
DOI: 10.1534/g3.118.200569
发表时间: 2018-11-01
影响因子: 2.6
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