FP V3 MN V2 V1 V0

Leve

l of G

LI a

ctiv

ity

SHH protein concentration

DorsalVentralNeural subtype

GLI3RGLI2AGLI1A

a b

FPV3

V0

V1

V2

MN

GLI3R

GLI2A

GLI1A

CORRIGENDUM

Morphogen to mitogen: the multiple roles of hedgehog signalling in vertebrate neural developmentMarc Fuccillo, Alexandra L. Joyner and Gord FishellNature Rev. Neurosci. 7, 772–783 (2006)

In Fig. 2a, dorsal and ventral were incorrectly positioned. The corrected figure is shown below.

© 2006 Nature Publishing Group