Comment on

• Genetic ablation reveals that the roof plate is essential for dorsal interneuron specification.

  Lee KJ, Dietrich P, Jessell TM. Lee KJ, et al. Nature. 2000 Feb 17;403(6771):734-40. doi: 10.1038/35001507. Nature. 2000. PMID: 10693795
• The mouse Dreher gene Lmx1a controls formation of the roof plate in the vertebrate CNS.

  Millonig JH, Millen KJ, Hatten ME. Millonig JH, et al. Nature. 2000 Feb 17;403(6771):764-9. doi: 10.1038/35001573. Nature. 2000. PMID: 10693804