Figure 1

In vivo lineage tracing of Bhlhb5+ SGNs in the postnatal cochlea: (A) Bhlhb5-cre knock-in mice were crossed with the Rosa26-tdTomato reporter strain. The resulting littermates were genotyped, and the cochleae of Bhlhb5-tdTomato+ mice were examined at P3. (B and C) Traced tdTomato/NeuN+ and tdTomato/Tuj1+ SGNs were observed in cryosections and whole mounts of the modiolus.