Antennal Disc Dissection
Antennal Disc Dissection - Related Videos
07:38
Small Scale Dissection and Antibody Staining of Eye-Antennal and Wing Imaginal Discs from Drosophila melanogaster
0 Views •
2026
This article describes an efficient imaginal disc dissection and antibody staining protocol that is economical with reagents and facilitates handling of imaginal discs in small numbers.
03:12
Drosophila Larva Imaginal Disc Dissection: A Method to Observe Developing Epithelia
0 Views •
2023
When staining Drosophila imaginal discs, often a rough dissection is performed where the discs are exposed but remain attached to the body. Once stained, the discs of interest are isolated and mounted. The example protocol demonstrates a procedure for wing imaginal disc dissection and mounting.
09:00
Calcium Imaging of Odor-evoked Responses in the Drosophila Antennal Lobe
0 Views •
Cited by 37 •
2012
We describe an established technique to measure and analyze odor-evoked calcium responses in the antennal lobe of living Drosophila melanogaster.
14:33
Generation, Purification, and Characterization of Cell-invasive DISC1 Protein Species
0 Views •
Cited by 13 •
2012
The generation, purification and cell invasion of intracellular, cytoplasmic full length DISC1 protein aggresomes from cell cultures and of a labeled, multimeric recombinant DISC1 protein fragment in E. coli are described. Cell invasiveness is shown for recipient cells in cell culture and for neurons in vivo after stereotactical brain inoculation.
10:13
Dissection and Immunofluorescent Staining of Mushroom Body and Photoreceptor Neurons in Adult Drosophila melanogaster Brains
0 Views •
Cited by 29 •
2017
This protocol describes the dissection and immunostaining of adult Drosophila melanogaster brain tissues. Specifically, this protocol highlights the use of Drosophila mushroom body and photoreceptor neurons as example neuronal subsets that can be accurately used to uncover general principles underlying many aspects of neuronal development.
FAQs
Its defined tissue context lets researchers examine how cellular organization changes as an appendage develops. Within the isolated disc, analyses can focus on pattern formation, cell proliferation, differentiation, and morphogenesis rather than treating the entire larva as a single sample. This makes developmental relationships easier to examine.
Preserving or staining the dissected tissue allows investigators to inspect gene expression and cellular organization in the same developmental preparation. These readouts connect visible tissue patterns with underlying developmental activity, helping researchers evaluate how signaling pathways may influence proliferation, differentiation, and the shaping of the future appendage.
Researchers can examine dissected discs from genetic contexts associated with altered organ development and assess changes in tissue organization, gene expression, proliferation, differentiation, or morphogenesis. Because the preparation focuses on the developing antennal tissue, it supports a direct examination of how genetic effects relate to the formation of a complex appendage.
The dissected disc provides a tissue-level setting for examining how hormone and signaling pathways relate to developmental outcomes. Researchers can connect pathway activity with pattern formation, cellular proliferation, differentiation, and morphogenesis. This helps place molecular or genetic influences within the broader process of shaping the adult antenna.
Researchers first work with larvae and locate the developing antennal imaginal disc under a microscope. They then isolate the disc, remove surrounding tissues, and preserve or stain the preparation for examination. This sequence produces a focused tissue sample suitable for analyzing cellular organization, gene expression, and developmental signaling.
Removing surrounding tissues concentrates the analysis on the developing antennal disc rather than on unrelated larval structures. The cleaner preparation makes the disc easier to examine under a microscope and supports clearer assessment of its cellular organization, gene expression, and developmental signaling. This is especially useful when interpreting tissue-specific patterns.
Developmental biologists use the preparation when they need to investigate how a defined tissue forms a complex appendage. It supports studies of pattern formation, cell proliferation, differentiation, morphogenesis, hormone and signaling pathways, and genetic effects on organ development. Preserved or stained samples can provide structural and molecular information for these analyses.