| Abstract |
Proteins are typically not expressed homogeneously in all cells of a complex organism. Within cells, proteins can dynamically change locations, be transported to their destinations, or be degraded upon external signals. Thus, revealing the cellular and subcellular localizations as well as the temporal dynamics of a protein provides important insights into the possible function of the studied protein. Tagging a protein of interest with a genetically encoded fluorophore enables us to follow its expression dynamics in the living organism. Here, we summarize the genetic resources available for tagged Drosophila proteins that assist in studying protein expression and dynamics. We also review the various techniques used in the past and at present to tag a protein of interest with a genetically encoded fluorophore. Comparing the pros and cons of the various techniques guides the reader to judge the suitable applications possible with these tagged proteins in Drosophila.
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