Coordination of Cell Division and Differentiation 389
Desvoyes B, Ramirez-Parra E, Xie Q, Chua N-H, Gutierrez C (2006) Cell type-specific role
of the retinoblastoma/E2F pathway duringArabidopsisleaf development. Plant Phys
140:67–80
Dewitte W, Riou-Khamlichi C, Scofield S, Healy JM, Jacqmard A, Kilby NJ, Murray JA
(2003) Altered cell cycle distribution, hyperplasia, and inhibited differentiation inAra-
bidopsiscaused by the D-type cyclinCYCD3. Plant Cell 15:79–92
Diaz-Trivino S, Castellano MM, Sanchez MP, Ramirez-Parra E, Desvoyes B, Gutierrez C
(2005) The genes encodingArabidopsisORC subunits are E2F targets and the two
ORC1 genes are differently expressed in proliferating and endoreplicating cells. Nu-
cleic Acids Res 33:5404–5414
Ebel C, Mariconti L, Gruissem W (2004) Plant retinoblastoma homologues control nu-
clear proliferation in the female gametophyte. Nature 429:776–780
Edgar BA, Orr-Weaver TL (2002) Endoreplication cell cycles: more or less. Cell 105:297–
306
Feiler HS, Jacobs TW (1990) Cell division in higher plants: a cdc2 gene, its 34-kDa prod-
uct, and histone H1 kinase activity in pea. Proc Natl Acad Sci USA 87:5397–5401
Ferreira PC, Hemerly AS, Villarroel R, Van Montagu M, Inze D (1991) TheArabidopsis
functional homolog of the p34cdc2 protein kinase. Plant Cell 3:531–540
Gaudin V, Lunness PA, Fobert PR, Towers M, Riou-Khamlichi C, Murray JA, Coen E, Doo-
nan JH (2000) The expression of D-cyclin genes defines distinct developmental zones
in snapdragon apical meristems and is locally regulated by the Cycloidea gene. Plant
Physiol 122:1137–1148
Grafi G, Burnett RJ, Heleutjaris T, Larkins BA, DeCaprio JA, Sellers WR, Kaelin WG (1996)
A maize cDNA encoding a member of the retinoblastoma protein family: involvement
in endoreduplication. Proc Natl Acad Sci USA 93:8962–8967
Gutierrez R, Quiroz-Figueroa F, Vazquez-Ramos JM (2005) Mazie cyclin D2 expression,
associated kinase activity and effect of phytohormones during germination. Plant Cell
Physiol 46:166–173
Gutierrez C (2005) Coupling cell proliferation and development in plants. Nat Cell Biol
7:535–541
Hartung F, Angelis KJ, Meister A, Schubert I, Melzer M, Puchta H (2002) An archaebac-
terial topoisomerase homolog not present in other eukaryotes is indispensable for cell
proliferation of plants. Curr Biol 12:1787–1791
Hata S, Kouchi H, Suzuka I, Ishii T (1991) Isolation and characterization of cDNA clones
for plant cyclins. EMBO J 10:2681–2688
He SS, Liu J, Xie Z, O’Neill D, Dotson S (2004)ArabidopsisE2Fa plays a bimodal role in
regulating cell division and cell growth. Plant Mol Biol 56:171–184
Helin K, Lees JA, Vidal M, Dyson N, Harlow E, Fattaey A (1992) A cDNA encoding
a pRBbinding protein with properties of the transcription factor E2F. Cell 70:337–350
Helin K, Wu CL, Fattaey AR, Lees JA, Dynlacht BD, Ngwu C, Harlow E (1993) Het-
erodimerization of the transcription factors E2F-1 and DP-1 leads to cooperative
trans-activation. Genes Dev 7:1850–1861
Hemerly A, Engler Jde A, Bergounioux C, Van Montagu M, Engler G, Inze D, Ferreira P
iterative plant development. EMBO J 14:3925–3936
Himanen K, Boucheron E, Vanneste S, de Almeida Engler J, Inze D, Beeckman T (2002)
Auxin-mediated cell cycle activation during early lateral root initiation. Plant Cell
14:2339–2351
HimanenK,VuylstekeM,VannesteS,VercruysseS,BoucheronE,AlardP,ChriquiD,
Van Montagu M, Inze D, Beeckman T (2004) Transcript profiling of early lateral root
initiation. Proc Natl Acad Sci USA 101:5146–51