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VOL. 67, (1) 2001  NUCLEOGÉNESIS

(117) NEVES, N.; HESLOP-HARRISON, J.S.; VIEGAS, W. (1995) rRNA gene activity
        and control of expression mediated by methylation and imprinting during
        embryo development in wheat x rye hybrids. Theor. Appl. Genet. 91: 529-
        533.

(118) CABELLO, P.; GONZÁLEZ-FERNÁNDEZ, A.; LEYTON, C.; SANS, J.; DE LA
        TORRE, C. (1986) Stimulated nucleologenesis in meristematic cells with
        hypomethylated DNA. Biol. Cell 58: 91-94.

(119) DE LA TORRE, C.; GIMÉNEZ-ALBIÁN, J.F.; GONZÁLEZ-FERNÁNDEZ, A. (1991)
        Dominance of a NOR (nucleolar organizer region) over its allele and over its
        sister NOR after asymmetric 5-azacytidine substition in plant chromosomes
        J. Cell Sci 100: 667-674.

(120) MATZKE, M.; MATZKE, A.J.M.(1993) Genomic imprinting in plants:
      parental effect and trans-inactivation phenomena. Ann. Rev.
      Plant. Physiol. Plant Mol. Biol. 44: 53-76.

(121) COOK, P.R. (1989) The nucleoskeleton and the topology of transcription. Eur.
        J. Biochem. 185: 487-501.

(122) GARCÍA-BLANCO, M.; MILLER, D.D.; SHEETZ, M.P. (1995) Nuclear spreads:
        I. Visualization of bipartite ribosomal RNA domains. J. Cell Biol. 128: 15-27.

(123) KAPLAN, F.S.; O’CONNOR, J.P. (1995) Topographic changes in a
        heterochromatic chromosome block in humans (15p) during formation of the
        nucleolus. Chrom. Res. 3: 309-314.

(124) FERRARO, M.; LAVIA, P. (1985) Differential gene activity visualized on sister
        chromatids after replication in the presence of 5-azacytidine. Chromosoma
        91: 307-312.

(125) HUBBEL, H.R. (1985) Silver staining as an indicator of active ribosomal
        genes. Stain Techn. 60: 285-294.

(126) MARTINI, G.; FLAVELL, R.B. (1985) The control of nucleolus volume in
        wheat, a genetic study at three developmental stages. Heredity 54: 11-120.

(127) ZATSEPINA, O.V.; VOIT, R.; GRUMMT, I.; SPRING, H.; SEMENOW, M.V.;
        TRENDELENBURG, M.F. (1993) The RNA polymerase I-specific transcription
        initiation factor UBF is associated with transcriptionally active and inactive
        ribosomal genes. Chromosoma 102: 599-611.

(128) BESTOR, T.H.; CHANDLER, V.L.; FEINBERG, A.P. (1994) Epigenetic effects in
        eukaryotic gene expression. Dev. Genet. 15: 458-462.

(129) HOLLIDAY, R. (1994) Epigenetics: an overview. Dev. Genet. 15: 453-457.
(130) PASZKOWISKI, I.; MITTELSEN-SCHNEID, O. (1998) Plant genes. The genetics

        of epigenetics. Current Biol. 6: 200-208.
(131) WALLACE, J.; BIRNSTIEL, M.L. (1966) Ribosomal cistrons and the nucleolar

        organizer. Biochem. Biophys. Acta. 114: 296-310.
(132) PARDUE, M.L.; GERBI, S.A.; ECKHARDT, R.A.; GALL, J.C. (1970) Cytological

        localization of DNA complementig of ribosomal RNA in polytene
        chromosomes of Diptera. Chromosoma 29: 268-290.

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