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Melanoblasts are positively stimulated to migrate in the dorsolateral pathway of the avian embryo by ephrins, but are inhibited by PNA-binding glycoconjugates. We analyzed the potential role of these molecules in the Japanese Silky fowl, which displays intense internal pigmentation. The distribution of ephrin ligands was analyzed using Eph receptor-human Fc fusion proteins. Glycoconjugates were labeled...