KEY RESOURCES TABLE

Reagent or resource	Source	Identifier
Antibodies
Mouse anti-quail cell antibody	DHSB Hybridoma Bank, Iowa City, IA.	QCPN
Rat anti-N-cadherin antibody	DHSB Hybridoma Bank, Iowa City, IA.	MNCD2
Chemicals, Peptides, and Recombinant Proteins
Dispase	Worthington	LS02104
Dubecco’s modified eagle medium	Corning	10-013-CV
Penicillin-Streptomycin	Gibco	15140122
Fetal bovine serum	Gibco	26140079
Recombinant human TGFβ2	Abcam	Ab84070
Oligonucleotides
Primers for qRT-PCR, see Table 1	This paper; Shiau and Bronner-Fraser, 2010; Carré et al., 2011.
Primers for generating riboprobes for in situ hybridization, see Table 2	This paper; Bi and Lwigale, 2019.