REFERENCES
- Aroian, R. V., M. Koga, J. E. Mendel, Y. Ohshima, and P. W. Sternberg. 1990. The let-23 gene necessary for Caenorhabditis elegans vulval induction encodes a tyrosine kinase of the EGF receptor subfamily. Nature 348:693–699.
- Barbacid, M. 1987. ras genes. Annu. Rev. Biochem. 56:779–827.
- Beitel, G. J., S. G. Clark, and H. R. Horvitz. 1990. Caenorhabditis elegans ras gene let-60 acts as a switch in the pathway of vulval induction. Nature 348:503–509.
- Chamberlin, H. M., and P. W. Sternberg. 1994. The lin-3/let-23 pathway mediates inductive signalling during male spicule development in Caeno-rhabditis elegans. Development 120:2713–2721.
- Church, D. L., K.-L. Guan, and E. J. Lambie. 1995. Three genes of the MAP kinase cascade, mek-2, mpk-1/sur-1 and let-60 ras are required for meiotic cell cycle progression in Caenorhabditis elegans. Development 121:2525–2535.
- DeVore, D. L., H. R. Horvitz, and M. J. Stern. 1995. An FGF receptor signaling pathway is required for the normal cell migrations of the sex myoblasts in C. elegans hermaphrodites. Cell 83:611–620.
- Durkin, J. P., and J. F. Whitfield. 1987. The viral Ki-ras gene must be expressed in the G2 phase if ts Kirsten sarcoma virus-infected NRK cells are to proliferate in serum-free medium. Mol. Cell. Biol. 7:444–449.
- Han, M., and P. W. Sternberg. 1990. let-60, a gene that specifies cell fates during C. elegans vulval induction, encodes a ras protein. Cell 63:921–931.
- Han, M., R. V. Aroian, and P. W. Sternberg. 1990. The let-60 locus controls the switch between vulval and nonvulval cell fates in Caenorhabditis elegans. Genetics 126:899–913.
- Han, M., and P. W. Sternberg. 1991. Analysis of dominant-negative mutations of the Caenorhabditis elegans let-60 ras gene. Genes Dev. 5:2188–2198.
- Hedgecock, E. M., and R. K. Herman. 1995. The ncl-1 gene and genetic mosaics of Caenorhabditis elegans. Genetics 141:989–1006.
- Herman, M. A., L. L. Vassilieva, H. R. Horvitz, J. E. Shaw, and R. K. Herman. 1995. The C. elegans gene lin-44, which controls the polarity of certain asymmetric cell divisions, encodes a Wnt protein and acts cell non-autonomously. Cell 83:101–110.
- Hou, X. S., T.-B. Chou, M. B. Melnick, and N. Perrimon. 1995. The torso receptor tyrosine kinase can activate Raf in a Ras-independent pathway. Cell 81:63–71.
- Jones, S. Personal communication.
- Kimble, J., and D. Hirsh. 1979. The post-embryonic cell lineages of the hermaphrodite and male gonads in Caenorhabditis elegans. Dev. Biol. 70:396–417.
- Koga, M., and Y. Ohshima. 1995. Mosaic analysis of the let-23 gene function in vulval induction of Caenorhabditis elegans. Development 121:2655–2666.
- Kohara, Y. Personal communication.
- Lackner, M. R., K. Kornfeld, L. M. Miller, H. R. Horvitz, and S. K. Kim. 1994. A MAP kinase homolog, mpk-1, is involved in ras-mediated induction of the vulval cell fates in Caenorhabditis elegans. Genes Dev. 8:160–173.
- Maruta, H., and A. W. Burges. 1994. Regulation of the Ras signalling network. Bioessays 16:489–496.
- Mello, C. C., J. M. Kramer, D. Stinchcomb, and V. Ambros. 1991. Efficient gene transfer in C. elegans: extrachromosomal maintenance and integration of transforming sequences. EMBO J. 10:3959–3970.
- Miller, L. M., D. A. Waring, and S. K. Kim. 1996. Mosaic analysis using a ncl-1 (+) extrachromosomal array reveals that lin-31 acts in the Pn.p cells during Caenorhabditis elegans vulval development. Genetics 143:1181–1191.
- Mulcahy, L. S., M. R. Smith, and D. W. Stacey. 1985. Requirement for ras proto-oncogene function during serum-stimulated growth of NIH 3T3 cells. Nature 313:241–243.
- Nelson, F. K., and D. L. Riddle. 1984. Functional study of the Caenorhabditis elegans secretory-excretory system using laser microsurgery. J. Exp. Zool. 231:45–56.
- Simske, J. S., and S. K. Kim. 1995. Sequential signalling during Caenorhabditis elegans vulval induction. Nature 375:142–146.
- Sulston, J., and H. R. Horvitz. 1977. Post-embryonic cell lineages of the nematode, Caenorhabditis elegans. Dev. Biol. 56:110–156.
- Sulston, J. E., E. Schierenberg, J. G. White, and J. N. Thomson. 1983. The embryonic cell lineage of the nematode Caenorhabditis elegans. Dev. Biol. 100:64–119.
- Sundaram, M., and M. Han. 1996. Control and integration of cell signaling pathways during C elegans vulval development. Bioessays 18:473–480.
- Sundaram, M., J. Yochem, and M. Han. 1996. A Ras-mediated signal transduction pathway is involved in the control of sex myoblast migration in Caenorhabditis elegans. Development 122:2823–2833.
- Wojtaszek, P., and M. Han. Unpublished data.
- Yochem, J., M. Sundaram, and M. Han. Unpublished data.