期刊
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS
卷 -, 期 160, 页码 -出版社
JOURNAL OF VISUALIZED EXPERIMENTS
DOI: 10.3791/60282
关键词
Developmental Biology; Issue 160; Drosophila pupa; abdomen; histoblasts; epithelia; live imaging; orientation; confocal microscopy; clonal analysis
资金
- JAE-CSIC predoctoral fellowship
- Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia [BFU2014-57019-P, BFU2017-82876-P]
- Fundacion Ramon Areces
Within multicellular organisms, mature tissues and organs display high degrees of order in the spatial arrangements of their constituent cells. A remarkable example is given by sensory epithelia, where cells of the same or distinct identities are brought together via cell-cell adhesion showing highly organized planar patterns. Cells align to one another in the same direction and display equivalent polarity over large distances. This organization of the mature epithelia is established over the course of morphogenesis. To understand how the planar arrangement of the mature epithelia is achieved, it is crucial to track cell orientation and growth dynamics with high spatiotemporal fidelity during development in vivo. Robust analytical tools are also essential to identify and characterize local-to-global transitions. The Drosophila pupa is an ideal system to evaluate oriented cell shape changes underlying epithelial morphogenesis. The pupal developing epithelium constitutes the external surface of the immobile body, allowing long-term imaging of intact animals. The protocol described here is designed to image and analyze cell behaviors at both global and local levels in the pupal abdominal epidermis as it grows. The methodology described can be easily adapted to the imaging of cell behaviors at other developmental stages, tissues, subcellular structures, or model organisms.
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