Table 1.

Fly lines used in this study

Genotype	Origin/Gift	Reference
w; +; Jupiter::mCherry	Daniel St Johnston, Gurdon Institute, Cambridge, UK	Lowe et al., 2014
w; +; Jupiter::GFP	Bloomington Drosophila Stock Center	#6836
w; UASp>GFP::Par-1(N1S)/CyO;+	Daniel St Johnston, Gurdon Institute, Cambridge, UK	Huynh et al., 2001
w; UASp>Baz::mGFP/CyO;+	Daniel St Johnston, Gurdon Institute, Cambridge, UK	Benton and St Johnston, 2003b
w; UASp>Baz::mCherry/CyO;+	Bloomington Drosophila Stock Center	#65844
w; EGFP::aPKC; +	Eurico Morais-de-Sá, I3S, Porto, Portugal	Chen et al., 2018
w; mat-α4>Gal4; +	Bloomington Drosophila Stock Center	#7062
w; +; mat-α4>Gal4	Bloomington Drosophila Stock Center	#7063
w; +; osk>osk::MS2(10×)/TM3, Sb	Anne Ephrussi, EMBL, Heidelberg, Germany	Zimyanin et al., 2008
w; hsp83>MCP::mCherry/CyO; +	Anne Ephrussi, EMBL, Heidelberg, Germany	Gáspár et al., 2017; Weil et al., 2006