tinctive transcriptional oscillation in synchronized tobacco BY-2 cells. Proc Natl Acad Sci U S A
93:4868–4872, 1996.
- J-P Reichheld, N Chaubet, WH Shen, J-P Renaudin, C Gigot. Multiple A-type cyclins express sequentially dur-
ing cell cycle in Nicotiana tabacumBY2 cells. Proc Natl Acad Sci U S A 93:13819–13824, 1996. - C Trehin, I-O Ahn, C Perennes, F Couteau, E Lalanne, C Bergounioux. Cloning of upstream sequences re-
sponsible for cell cycle regulation of the Nicotiana sylvetris CycB1;1gene. Plant Mol Biol 35:667–672,
- L-X Qin, C Perennes, L Richard, M Bouvier-Durand, C Trehin, D Inze, C Bergounioux. G2- and early-M-spe-
cific expression of the Ntcyc1cyclin gene in Nicotiana tabacumcells. Plant Mol Biol 32:1093–1101, 1996. - M Ito, M Iwase, H Kodama, P Lavisse, A Komamine, R Nishihama, Y Machida, A Watanabe. A novel cis-act-
ing element in promoters of plant B-type cyclin genes activates M phase–specific transcription. Plant Cell
10:331–341, 1998. - A Hershko, D Ganoth, V Sudakin, A Dahan, LH Cohen, FC Luca, JV Ruderman, E Eytan. Components of a
system that ligates cyclin to ubiquitin and their regulation by the protein kinase cdc2. J Biol Chem
269:4940–4946, 1994. - P Genschik, MC Criqui, Y Parmentier, A Derevier, J Fleck. Cell cycle–dependent proteolysis in plants: iden-
tification of the destruction box pathway and metaphase arrest produced by the proteasome inhibitor MG132.
Plant Cell 10:2063–2075, 1998. - J Hush, L Wu, PC John, LH Hepler, PK Hepler. Plant mitosis promoting factor disassembles the microtubule
preprophase band and accelerates prophase progression in Tradescantia. Cell Biol Int 20:275–287, 1996. - L De Veylder, G Segers, N Glab, G Casteels, M Montagu, D Inze. The ArabidopsisCks1At protein binds the
cyclin-dependent kinases Cdc2aAt and Cdc2bAt. FEBS Lett 412:446–452, 1997. - Y Bourne, MH Watson, MJ Hickey, W Holmes, W Rocque, SI Reed, JA Tainer. Crystal structure and muta-
tional analysis of the human CDK2 kinase complex with cell cycle–regulatory protein CksHs1. Cell
84:863–874, 1996. - R Porat, P Lu, SD O’Neill. ArabidopsisSKP1, a homologue of a cell cycle regulator gene, is predominantly
expressed in meristematic cells. Planta 204:345–351, 1998. - Y Sun, BP Dilkes, C Zhang, RA Dante, NP Carneiro, KS Lowe, R Jung, WJ Gordon-Kamm, B Larkins. Char-
acterization of maize (Zea maysL.) Wee1 and its activity in developing endosperm. Proc Natl Acad Sci U S A
96:4189–4185, 1999. - CJ Sherr. Mammalian G1 cyclins. Cell 73:1059–1065, 1993.
- SJ Elledge, MR Spottswood. A new human p34 protein kinase, CDK2, identified by complementation of a
cdd28mutation in Saccharomyces cerevisiae, is a homolog of XenopusEG1. EMBO J 10:2653–2659, 1991. - SJ Elledge, R Richman, FL Hall, RT Williams, N Lodgson, JW Harper. CDK2encodes a 33-kDa cyclin A–as-
sociated protein kinase and is expressed before CDC2in the cell cycle. Proc Natl Acad Sci U S A
89:2907–2911, 1992. - H Matsushime, DE Quelle, SA Shurtleff, M Shibuya, CJ Sherr, JY Kato. D-type cyclin–dependent kinase ac-
tivity in mammalian cells. Mol Cell Biol 14:2066–2076, 1994. - M Meyerson, E Harlow. Identification of G1 kinase activity for cdk6, a novel cyclin D partner. Mol Cell Biol
14:2077–2086, 1994. - CJ Sherr. The ins and outs of RB: coupling gene expression to the cell cycle clock. Trends Cell Biol 4:15–18,
- CJ Sherr. G1 phase progression: Cycling on cue. Cell 79:551–555, 1994.
- H Muller, J Lukas, A Schneider, P Warthoe, J Bartek, M Eilers. Cyclin D1 expression is regulated by the
retinoblastoma protein. Proc Natl Acad Sci U S A 91:2945–2949, 1994. - P Lavia, P Jansen-Durr. E2F target genes and cell-cycle checkpoint control. Bioessays 21:221–230, 1999.
- G Prelich, C Tan, M Kostura, MB Mathews, AG So, KM Downey, B Stillman. Functional identity of prolifer-
ating cell nuclear antigen and a DNA polymerase-delta auxiliary protein. Nature 326:517–520., 1987. - F Fang, J Newport. Evidence that the G1-S and G2-M transitions are controlled by different Cdc2 proteins in
higher eukaryotes. Cell 66:731–742, 1991. - UP Strausfeld, M Howell, P Descombes, S Chevalier, RE Rempel, J Adamczewski, JL Maller, T Hunt, JJ
Blow. Both cyclin A and cyclin E have S-phase promoting (SPF) activity in Xenopusegg extracts. J Cell Sci
109:1555–1563, 1996. - F Fang, G Orend, N Watanabe, T Hunter, E Ruoslahti. Dependence of cyclin E-CDK2 kinase activity on cell
anchorage. Science 271:499–502, 1996. - M Ohtsubo, JM Roberts. Cyclin-dependent regulation of G 1 in mammalian fibrobalsts. Science
259:1908–1912, 1993. - KA Heichman, Roberts JM. Rules to replicate by. Cell 79:557–562, 1994.
- T Hunter, J Pines. Cyclins and cancer II: cyclin D and Cdk inhibitors come of age. Cell 79:573–582, 1994.
- A Kramer, C-P Carstens, WE Fahl. A novel CCAAT-binding protein necessary for adhesion-dependent cyclin
A transcription at the G1/S boundary is sequestered by a retinoblastoma-like protein in G0. J Biol Chem
271:6579–6585, 1996. - K Hamada, N Takuwa, W Zhou, M Kumada, Y Takuwa. Protein kinase C inhibits the CAK-CDK2 cyclin-de-
CELL CYCLE REGULATION IN PLANTS 259