Large quantities of developmentally synchronized pupal intestines are required for biochemistry experiments. Here, we present a protocol for the mass isolation of staged pupal intestines during Drosophila melanogaster development based on buoyancy in sucrose for biochemical evaluation of protein ubiquitylation. We describe steps for crossing flies, preparation of samples, immunoprecipitation of proteins from staged isolated tissues, and analysis of samples by western blot. This protocol can be extended to investigate biochemical changes in other tissues. For complete details on the use and execution of this protocol, please refer to Wang et al. (2023)..
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| http://dx.doi.org/10.1016/j.xpro.2023.102713 | DOI Listing |
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