Hwang, S.-P. L., Partin, J. S. and Lennarz, W. J. (1994). Characterization of a homolog of human bone morphogenetic protein 1 in the embryo of the sea urchin, Strongylocentrotus purpuratus. Development 120: 559-568
Kozlowski, D. J., Gagnon, M. L., Marchant, J. K., Reynolds, S. D., Angerer, L. M. and Angerer, R. C. (1996). Characterization of a SpAN promoter sufficient to mediate correct spatial regulation along the animal-vegetal axis of the sea urchin embryo. Dev. Biol. 176: 95-107
Reynolds, S. D., Angerer, L. M., Palis, J., Nasir, A. and Angerer, R. C. (1992). Early mRNAs, spatially restricted along the animal-vegetal axis of sea urchin embryos, include one encoding a protein related to tolloid and BMP-1. Development 114: 769-786
Wei, Z., Angerer, L. M., Gagnon, M. L. and Angerer, R. C. (1995). Characterization of the SpHE promoter that is spatially regulated along the animal-vegetal axis of the sea urchin embryo. Dev. Biol. 171 (1): 195-211
Wei, Z., Kenny, A. P., Angerer, L. M. and Angerer, R. C. (1997). The SpHE gene is downregulated in sea urchin late blastulae despite persistence of multiple positive factors sufficient to activate its promoter. Mech. Dev. 67 (2): 171-178 Medline abstract