Developing Drosophila egg chamber immunostained for GFP-tagged Makorin 1 (green) and endogenous Staufen (red). The yellow signal shows extensive co-localization of these two RNA binding proteins during their movement to the posterior pole plasm of the oocyte. From Dold et al. (2020) PLoS Genetics 16(1): e1008581. Image taken by Hong Han.