The following information accompanied stocks donated to the Bloomington Stock Center by Kristen White, Massachusetts General Hospital.
P{NBRR-dsRed.nls} consists of the Neuroblast Regulatory Region ( 3L:18358741..18363741 )—which control expression of hid, grim and skl in neuroblasts—cloned into the pP{RedH-Stinger} vector. The same regulatory fragment is present in P{Enh1-GFP}.
P{NBRR-dsRed.nls}1 is an X chromosome insertion.