The External Granule Layer of the Developing Chick Cerebellum Generates Granule Cells and Cells of the Isthmus and Rostral Hindbrain

This work was supported by the Howard Hughes Medical Institute. We thank J.-F. Brunet for providing the anti-Phox2a antibody, Julie Zitz for participating in the viral injection, and Jeff Golden and Francis Szele for general discussion.

Correspondence should be addressed to Constance L. Cepko, Department of Genetics, Howard Hughes Medical Institute, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115. E-mail:cepko{at}genetics.med.harvard.edu.

Dr. Lin's present address: Genentech Inc., 1 DNA Way, MS72, South San Francisco, CA 94080.