Summary of the expression analyses used to define the inhibitory or excitatory phneotype of postnatal neurons that express Pax2, Gbx1, Lmx1b, RORβ, RORα, Lbx1, MafA, MafB and c-Maf.

Pax2 and Gbx1 are inhibitory markers, whereas Lmx1b and MafA are excitatory markers. Lbx1 and RORα predominantly label excitatory neurons, as well as a small number of inhibitory neurons. MafB and c-Maf are expressed by mixed populations of inhibitory and excitatory neurons. Data is expressed as mean±s.d. RORα expression was analyzed using a RORαCre; R26floxstop-Tomato reporter. Asterisk indicates 100% by definition.