A method for the permeabilization of live Drosophila melanogaster larvae to small molecules and cryoprotectants.

IF 2.4 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
Fly Pub Date : 2020-03-01 Epub Date: 2020-02-09 DOI:10.1080/19336934.2020.1724051
Alex Murray, Daniel Palmer, Daimark Bennett, Venkata Dwarampudi, João Pedro de Magalhães
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引用次数: 0

Abstract

The larvae of Drosophila melanogaster is a model organism widely used to study the muscular and nervous systems. Drosophila larvae are surrounded by a waxy cuticle that prevents permeation by most substances. Here we develop a method to remove this layer, rendering the larvae permeable to small molecules without causing death, allowing the larvae to develop to adulthood and reproduce. Permeability was assessed using fluorescein diacetate dye uptake, and mortality upon exposure to toxic levels of ethylene glycol (EG) and Dimethyl sulfoxide (DMSO). Potential uses for this method include drug delivery, toxicity assays, cryopreservation, staining, and fixation.

Abstract Image

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Abstract Image

黑腹果蝇活体幼虫对小分子和低温保护剂渗透的方法。
黑腹果蝇(Drosophila melanogaster)的幼虫是一种被广泛用于肌肉和神经系统研究的模式生物。果蝇幼虫被一层蜡质角质层包围,防止大多数物质渗透。在这里,我们开发了一种去除这一层的方法,使幼虫可以穿透小分子而不造成死亡,使幼虫发育到成年并繁殖。通过双醋酸荧光素染料摄取和暴露于有毒水平的乙二醇(EG)和二甲基亚砜(DMSO)后的死亡率来评估渗透性。该方法的潜在用途包括药物递送、毒性测定、冷冻保存、染色和固定。
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来源期刊
Fly
Fly 生物-生化与分子生物学
CiteScore
2.90
自引率
0.00%
发文量
17
审稿时长
>12 weeks
期刊介绍: Fly is the first international peer-reviewed journal to focus on Drosophila research. Fly covers a broad range of biological sub-disciplines, ranging from developmental biology and organogenesis to sensory neurobiology, circadian rhythm and learning and memory, to sex determination, evolutionary biology and speciation. We strive to become the “to go” resource for every researcher working with Drosophila by providing a forum where the specific interests of the Drosophila community can be discussed. With the advance of molecular technologies that enable researchers to manipulate genes and their functions in many other organisms, Fly is now also publishing papers that use other insect model systems used to investigate important biological questions. Fly offers a variety of papers, including Original Research Articles, Methods and Technical Advances, Brief Communications, Reviews and Meeting Reports. In addition, Fly also features two unconventional types of contributions, Counterpoints and Extra View articles. Counterpoints are opinion pieces that critically discuss controversial papers questioning current paradigms, whether justified or not. Extra View articles, which generally are solicited by Fly editors, provide authors of important forthcoming papers published elsewhere an opportunity to expand on their original findings and discuss the broader impact of their discovery. Extra View authors are strongly encouraged to complement their published observations with additional data not included in the original paper or acquired subsequently.
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