Olfactory sensory neurons expressing class I odorant receptors converge their axons on an antero-dorsal domain of the olfactory bulb in the mouse.
Tsuboi A, Miyazaki T, Imai T, Sakano H.
Eur J Neurosci. 2006 Mar;23(6):1436-44. 
- Developmental elimination of ectopic projection sites for the transgenic OR gene that has lost zone specificity in the olfactory epithelium.
- Odorant receptor-derived cAMP signals direct axonal targeting.