Applications of Immobilization of Drosophila Tissues with Fibrin Clots for Live Imaging

Jens Januschke (Lead / Corresponding author), Nicolas Loyer (Lead / Corresponding author)

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    2 Citations (Scopus)
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    Drosophila is an important model system to study a vast range of biological questions. Various organs and tissues from different developmental stages of the fly such as imaginal discs, the larval brain or egg chambers of adult females or the adult intestine can be extracted and kept in culture for imaging with time-lapse microscopy, providing valuable insights into cell and developmental biology. Here, we describe in detail our current protocol for the dissection of Drosophila larval brains, and then present our current approach for immobilizing and orienting larval brains and other tissues on a glass coverslip using Fibrin clots. This immobilization method only requires the addition of Fibrinogen and Thrombin to the culture medium. It is suitable for high-resolution time lapse imaging on inverted microscopes of multiple samples in the same culture dish, minimizes the lateral drifting frequently caused by movements of the microscope stage in multi-point visiting microscopy and allows for the addition and removal of reagents during the course of imaging. We also present custom-made macros that we routinely use to correct for drifting and to extract and process specific quantitative information from time-lapse analysis.
    Original languageEnglish
    Article numbere61954
    Number of pages21
    JournalJoVE: Journal of Visualized Experiments
    Publication statusPublished - 22 Dec 2020


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