Gene Families Independently Duplicated in S. cerevisiae andS. pombe Encoding Proteins With Known Roles in Processes Important to the Cell Cycle (Excluding Ribosomal Proteins)
| S. cerevisiae duplicates | Cellular processes | References |
| TOR1-TOR2 | Cell cycle progression | Powers and Walter 1999 |
| TRK1-TRK2 | Cell cycle progression, cell wall maintenance | Yenush et al. 2002 |
| PKH1-PKH2-YDR466W | Actin cytoskeleton organization, cell wall maintenance | Schmelze et al. 2002 |
| ITR1-ITR2 | Lipid metabolism, mating and sporulation | Niederberger et al. 1998 |
| PRK1-ARK1-AKL1 | Actin cytoskeleton organization | Watson et al. 2001 |
| ROM1-ROM2 | Bud formation | Ozaki et al. 1996; Ni and Snyder 2001 |
| SKN1-KRE6 | Cell wall biosynthesis, bud site selection | Montijn et al. 1999; Ni and Snyder 2001 |
| SPO1-PLB1-PLB2-PLB3 | Lipid metabolism, meiosis | Fyrst et al. 1999 |
| HES1-KES1 | Posttranslational modification (Golgi) | Li et al. 2002 |
| SUR1-YBR161W | Cell cycle progression | Helliwell et al. 1998 |
| FEN1-ELO1 | Lipid metabolism, bud site selection | Baudry et al. 2001; Ni and Snyder 2001 |
| ANB1-HYP2 | Protein synthesis | Mehta et al. 1990 |
| LAC1-LAG1 | Posttranslational modification (Golgi) | Schorling et al. 2001 |
| GGA1-GGA2 | Posttranslational modification (Golgi) | Black and Pelham 2000 |
| KTR5-KTR6 | Posttranslational modification (Golgi) | Lussier et al. 1999 |
| SIM1-SUN4 | Cell septation | Mouassite et al. 2000 |
| PTC2-PTC3 | Cell division (DNA checkpoint) | Marsolier et al. 2000 |
| RCK1-RCK2 | Inhibition of meiosis | Ramne et al. 2000 |