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VOL. 67, (1) 2001 NUCLEOGÉNESIS

activity in mouse-human somatic cell hybrids. Prod. Natl. Acad. Sci. 73:
4531-4535.
(151) ONISHI, T.; BERGLUND, C.; REEDER, R.H. (1984) On the mechanism of
nucleolar dominance in mouse-human somatic cell hybrids. Proc. Natl. Acad.
Sci. 81: 484-487.
(152) CEDAR, H.; (1988) DNA methylation and gene activity. Cell 53: 3-4.
(153) FLAVELL, R.B.; O’DELL, M.; THOMPSON, W.F. (1988) Regulation of cytosine
methylation in ribosomal DNA and nucleolus organizer expression in wheat.
J. Mol. Biol. 204: 523-534.
(154) PETERSON, K.; SAPIENZA, C. (1993) Imprinting the genome: imprinted genes,
imprinting genes and hypothesis fot their interaction. Ann. Re. Genet. 27:7-
31.
(155) LACADENA, J.R.; CERMEÑO, M.C.; ORELLANA, J.; SANTOS, J.L. (1984 a)
Evidence for wheat-rye nucleolar competition (amphyplasty in triticales by
silver staining procedure. Theor. Appl. Genet. 67: 207-213.
(156) CERMEÑO, M.C.; ORELLANA, J.; SANTOS, J.L.; LACADENA, J.R. (1984)
Nucleolar organizer activity in wheat, rye and derivatives analyzed by a silver
staining procedure. Chromosoma 89: 330-376.
(157) VIEIRA, R.; QUERIOZ, A.; MOARIS, L., BARAO, A.; MELLO-SAMPAYO, T.,
VIEGAS, W. (1990 a) Genetic control of the nucleolus organizer region
expression in the presence of wheat genome. Genome 33: 713-718.
(158) JONES, P.A.; TAYLOR, S.M. (1980) Cellular differentiation, cytidine analogs
and DNA methylation. Cell 20: 85-93.
(159) PARROW, V.C.; ALESTÖM, P.; GAUTVIK, K.M. (1989) 5-azacytidine-induced
alteration in the GH12C1 cells, effects on cellular morphology, chromosome
structure, DNA and protein synthesis. J. Cell Sci. 93: 533-543.
(160) VIEIRA, R.; QUEIROZ, A.; MORAIS, L.; BARAO, A.; MELLO-SAMPAYO, T.;
VIEGAS, W. (1990 b). 1R chromosome nucleolus organizer region activation
by 5-azacytidine in wheat x rye hybrids. Genome 33: 707-712.
(161) HESLOP-HARRISON, J.S. (1990) Gene expression and parental dominance in
hybrid plant. Develop. (Suppl.) 21-28.
(162) AMADO, L.; ABRANCHES, R.; NEVES, N.; VIEGAS, W. (1997) Development-
dependent inheritance of 5-azacytidine-induced epimultations in triticales:
analysis of rDNA expression patterns. Chrom. Res. 5: 445-450.
(163) SATO, S. (1981) Cytological studies on the satilleted chromosomes of Allium
cepa. Caryologia 34: 431-440.
(164) CORTÉS, F.; ESCALZA, P. (1986) Analysis of different banding patterns and
late replicating regions in chromosomes of Allium cepa, A. sativum and
nigrum. Genetica 71: 39-46.
(165) RICROCH, A.; PEFFLEY, E.B.; BAKER, R.J. (1992) Chromosomal location of
rDNA in Allium: in situ Hybridization using biotin- and fluorescein-labelled
probes. Theor. Appl. Genet. 83: 413-418.

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