- An ankyrin-related gene (unc-44) is necessary for proper axonal guidance in Caenorhabditis elegans. Otsuka, A.J., Franco, R., Yang, B., Shim, K.H., Tang, L.Z., Zhang, Y.Y., Boontrakulpoontawee, P., Jeyaprakash, A., Hedgecock, E., Wheaton, V.I. J. Cell Biol. (1995)