An error was published in Development137, 3763-3774.
On p. 3764, the Id2a morpholino sequences were incorrect. The correct sequences are:
Id2a-MO, 5′-GCCTTCATGTTGACAGCAGGATTTC3′; and Id2a-MM, 5′-GCGTTGATGTTCACAGCACGAATTC-3′.
The nucleotides in bold differ from the published ones.
The authors apologise to readers for this mistake.
© 2011.