REFERENCES
- Anderegg, R. J., R. Betz, S. A. Carr, J. W. Crabb, and W. Duntze. 1988. Structure of Saccharomyces Cerevisiae mating hormone a-factor. J. Biol. Chem. 263:18236–18240.
- Beach, D., Μ. Piper, and P. Nurse. 1982. Construction of a Schizosaccharomyces pombe gene bank in a yeast bacterial shuttle vector and its use to isolate genes by complementation. Mol. Gen. Genet. 187:326–329.
- Bender, A., and G. F. Sprague, Jr. 1986. Yeast peptide pheromones, a-factor and a-factor, activate a common response mechanism in their target cells. Cell 47:929–937.
- Bölker, M., M. Urban, and R. Kahmann. 1992. The a mating type locus of U. maydis specifies cell signaling components. Cell 68:441–450.
- Burkholder, A. C., and L. H. Hartwell. 1985. The yeast a-factor receptor: structural properties deduced from the sequence of the STE2 gene. Nucleic Acids Res. 13:8463–8475.
- Davey, J. 1991. Isolation and quantitation of M-factor, a diffusible mating factor from the fission yeast Schizosaccharomyces pombe. Yeast 7:357–366.
- Davey, J. 1992. Mating pheromones of the fission yeast Schizosaccharomyces pombe: purification and structural characterization of M-factor and isolation and analysis of two genes encoding the pheromone. EMBO J. 11:951–960.
- Dietzel, C., and J. Kuijan. 1987. The yeast SCGl gene: a Gα-like protein implicated in the a- and α-factor response pathway. Cell 50:1001–1010.
- Dohlman, H. G., J. Thorner, Μ. G. Caron, and R. J. Lefkowitz. 1991. Model systems for the study of seven-transmembrane- segment receptors. Annu. Rev. Biochem. 60:653–688.
- Durkacz, B., A. Carr, and P. Nurse. 1986. Transcription of the cdc2 cell cycle control gene of the fission yeast Schizosaccha- romyces pombe. EMBO J. 5:369–373.
- Egel, R. 1973. Genes involved in mating type expression of fission yeast. Mol. Gen. Genet. 122:339–343.
- Egel, R., and Μ. Egel-Mitani. 1974. Premeiotic DNA synthesis in fission yeast. Exp. Cell Res. 88:127–134.
- Elder, R. T., E. Y. Loh, and R. W. Davis. 1983. RNA from the yeast transposable element Tyl has both ends in the direct repeats, a structure similar to retrovirus RNA. Proc. Natl. Acad. Sci. USA 80:2432–2436.
- Fukui, Y., Y. Kaziro, and Μ. Yamamoto. 1986. Mating pheromone-like diffusible factor released by Schizosaccharomyces pombe. EMBO J. 5:1991–1993.
- Fukui, Y., T. Kozasa, Y. Kaziro, T. Takeda, and Μ. Yamamoto. 1986. Role of a ras homolog in the life cycle of Schizosaccha- romyces pombe. Cell 44:329–336.
- Grimm, C., J. Kohli, J. Murray, and K. Maundrell. 1988. Genetic engineering of Schizosaccharomyces pombe: a system for gene disruption and replacement using the ura4 gene as a selectable marker. Mol. Gen. Genet. 215:81–86.
- Gutz, H., H. Heslot, U. Leupold, and N. Loprieno. 1974. Schizosaccharomyces pombe, p. 395–446. In R. D. King (ed.), Handbook of genetics, vol. 1. Plenum Press, New York.
- Hagen, D. C., G. McCaffrey, and G. F. Sprague, Jr. 1986. Evidence the yeast STE3 gene encodes a receptor for the peptide pheromone a factor: gene sequence and implications for the structure of the presumed receptor. Proc. Natl. Acad. Sci. USA 83:1418–1422.
- Henikoff, S. 1984. Unidirectional digestion with exonuclease III creates targeted breakpoints for DNA sequencing. Gene 28:351–359.
- Hori, H., T. Itoh, and S. Osawa. 1982. The phylogenic structure of the metabacteria. Zentralbl. Bakteriol. Mikrobiol. Hyg. I Abt. Orig. C 3:18–30.
- Iino, Y., and Μ. Yamamoto. 1985. Mutants of Schizosaccharo- myces pombe which Sporulate in the haploid state. Mol. Gen. Genet. 198:416–421.
- Imai, Y., and Μ. Yamamoto. 1992. Schizosaccharomyces pombe sxa1+ and sxa2+ encode putative proteases involved in the mating response. Mol. Cell. Biol. 12:1827–1834.
- Kelly, Μ., J. Burke, Μ. Smith, A. Klar, and D. Beach. 1988. Four mating-type genes control sexual differentiation in the fission yeast. EMBO J. 7:1537–1547.
- Kitamura, K., and C. Shimoda. 1991. The Schizosaccharomyces pombe mam2 gene encodes a putative pheromone receptor which has a significant homology with the Saccharomyces cerevisiae Ste2 protein. EMBO J. 10:3743–3751.
- Kyte, J., and R. F. Doolittle. 1982. A simple method for displaying the hydropathic character of a protein. J. Mol. Biol. 157:105–132.
- Leupold, U. 1987. Sex appeal in fission yeast. Curr. Genet. 12:543–545.
- Leupold, U., O. Nielsen, and R. Egel. 1989. Pheromone-induced meiosis in P-specific mutants of fission yeast. Curr. Genet. 15:403–405.
- Leupold, U., Μ. Sipiczki, and R. Egel. 1991. Pheromone production and response in sterile mutants of fission yeast. Curr. Genet. 20:79–85.
- Marsh, L., A. Μ. Neiman, and I. Herskowitz. 1991. Signal transduction during pheromone response in yeast. Annu. Rev. Cell Biol. 7:699–728.
- Moreno, S., A. Klar, and P. Nurse. 1990. Molecular genetic analysis of fission yeast Schizosaccharomyces pombe. Methods Enzymol. 194:795–826.
- Mullis, K. B., and F. A. Faloona. 1987. Specific synthesis of DNA in vitro via a polymerase-catalyzed chain reaction. Methods Enzymol. 155:335–350.
- Nadin-Davis, S. A., A. Nasim, and D. Beach. 1986. Involvement of ras in sexual differentiation but not in growth control in fission yeast. EMBO J. 5:2963–2971.
- Nakafuku, Μ., H. Itoh, S. Nakamura, and Y. Kaziro. 1987. Occurrence in Saccharomyces cerevisiae of a gene homologous to the cDNA coding for the α subunit of mammalian G proteins. Proc. Natl. Acad. Sci. USA 84:2140–2144.
- Nakayama, N., A. Miyajima, and K. Arai. 1985. Nucleotide sequences of STE2 and STE3, cell type-specific sterile genes from Saccharomyces cerevisiae. EMBO J. 4:2643–2648.
- Nakayama, N., A. Miyajima, and K. Arai. 1987. Common signal transduction system shared by STE2 and STE3 in haploid cells of Saccharomyces cerevisiae: autocrine cell-cycle arrest results from forced expression of STE2. EMBO J. 6:249–254.
- Nielsen, O., J. Davey, and R. Egel. 1992. The rasi function of Schizosaccharomyces pombe mediates pheromone-induced transcription. EMBO J. 11:1391–1395.
- Obara, T., Μ. Nakafuku, Μ. Yamamoto, and Y. Kaziro. 1991. Isolation and characterization of a gene encoding a G-protein α subunit from Schizosaccharomyces pombe: involvement in mating and sporulation pathways. Proc. Natl. Acad. Sci. USA 88:5877–5881.
- Okazaki, K., N. Okazaki, K. Kume, S. Jinno, K. Tanaka, and H. Okayama. 1990. High-frequency transformation method and library transducing vectors for cloning mammalian cDNAs by trans-complementation of Schizosaccharomyces pombe. Nucleic Acids Res. 18:6485–6489.
- Rothstein, R. 1983. One step gene disruption in yeast. Methods Enzymol. 101:202–211.
- Sanger, F., S. Nicklen, and A. R. Coulson. 1977. DNA sequencing with chain-terminating inhibitors. Proc. Natl. Acad. Sci. USA 74:5463–5467.
- Sipiczki, M., and L. Ferenczy. 1977. Protoplast fusion of Schizosaccharomyces pombe auxotrophic mutants of identical mating-type. Mol. Gen. Genet. 151:77–81.
- Southern, E. 1979. Gel electrophoresis of restriction fragments. Methods Enzymol. 68:152–176.
- Sugimoto, A., Y. Iino, T. Maeda, Y. Watanabe, and Μ. Yamamoto. 1991. Schizosaccharomyces pombe ste11+ encodes a transcription factor with an HMG motif that is a critical regulator of sexual development. Genes Dev. 5:1990–1999.
- Thomas, P. 1980. Hybridization of denatured RNA and small DNA fragments transferred to nitrocellulose. Proc. Natl. Acad. Sci. USA 77:5201–5205.
- Watanabe, Y., Y. Iino, K. Furuhata, C. Shimoda, and Μ. Yamamoto. 1988. The S. pombe mei2 gene encoding a crucial molecule for commitment to meiosis is under the regulation of cAMP. EMBO J. 7:761–767.