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Wanda Viegas

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Edna Ribeiro-Varandas; H Sofia Pereira; Wanda Viegas; Margarida Delgado
Bisphenol A at concentrations found in human serum induces aneugenic effects in endothelial cells.
D Tomás; Wanda Viegas; J Brazão; Manuela Silva
Differential effects of high-temperature stress on nuclear topology and transcription of repetitive noncoding and coding rye sequences.
Diana Tomás; Wanda Viegas; Miguel Bento; Manuela Silva
Involvement of disperse repetitive sequences in wheat/rye genome adjustment.

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All Publications

2013: Edna Ribeiro-Varandas; H Sofia Pereira; Wanda Viegas; Margarida Delgado
Bisphenol A at concentrations found in human serum induces aneugenic effects in endothelial cells.
Mutation research 2013;751(1):27-33.
2013: D Tomás; Wanda Viegas; J Brazão; Manuela Silva
Differential effects of high-temperature stress on nuclear topology and transcription of repetitive noncoding and coding rye sequences.
Cytogenetic and genome research 2013;139(2):119-27.
2012: Diana Tomás; Wanda Viegas; Miguel Bento; Manuela Silva
Involvement of disperse repetitive sequences in wheat/rye genome adjustment.
International journal of molecular sciences 2012;13(7):8549-61.
2012: Margarida Rocheta; Wanda Viegas; Luísa Carvalho; Leonor Morais-Cecílio
Corky, a gypsy-like retrotransposon is differentially transcribed in Quercus suber tissues.
BMC research notes 2012;5():432.
2011: Miguel Bento; J Perry Gustafson; Wanda Viegas; Manuela Silva
Size matters in Triticeae polyploids: larger genomes have higher remodeling.
Genome / National Research Council Canada = Génome / Conseil national de recherches Canada 2011;54(3):175-83.
2010: Miguel Bento; Perry Gustafson; Wanda Viegas; Manuela Silva
Genome merger: from sequence rearrangements in triticale to their elimination in wheat-rye addition lines.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik 2010;121(3):489-97.
2010: Margarida Delgado; M Frescatada; E Ribeiro-Varandas; Wanda Viegas; R Neil Jones
Dynamics of functional heterochromatic domains in the plant interphase nucleus.
Cytogenetic and genome research 2010;129(1-3):64-71.
2010: Ana Carvalho; Margarida Delgado; Augusta Barão; Márcia Frescatada; Edna Ribeiro; Craig S Pikaard; Wanda Viegas; Nuno Neves
Chromosome and DNA methylation dynamics during meiosis in the autotetraploid Arabidopsis arenosa.
Sexual plant reproduction 2010;23(1):29-37.
2009: H Sofia Pereira; Augusta Barão; Ana Caperta; João Rocha; Wanda Viegas; Margarida Delgado
Rye Bs disclose ancestral sequences in cereal genomes with a potential role in gametophyte chromatid segregation.
Molecular biology and evolution 2009;26(8):1683-97.
2009: Teresa Ribeiro; Wanda Viegas; Leonor Morais-Cecílio
Epigenetic marks in the mature pollen of Quercus suber L. (Fagaceae).
Sexual plant reproduction 2009;22(1):1-7.
2008: Sasha Preuss; Pedro Costa-Nunes; Sarah Tucker; Olga Pontes; Richard Lawrence; Rebecca Mosher; Kristin D Kasschau; James C Carrington; David C Baulcombe; Wanda Viegas; Craig S Pikaard
Multimegabase silencing in nucleolar dominance involves siRNA-directed DNA methylation and specific methylcytosine-binding proteins.
Molecular cell 2008;32(5):673-84.
2008: Manuela Silva; H Sofia Pereira; Miguel Bento; Ana Paula Santos; Peter Shaw; Margarida Delgado; Nuno Neves; Wanda Viegas
Interplay of ribosomal DNA loci in nucleolar dominance: dominant NORs are up-regulated by chromatin dynamics in the wheat-rye system.
PloS one 2008;3(12):e3824.
2008: Ana Caperta; M Rosa; Margarida Delgado; R Karimi; D Demidov; Wanda Viegas; Andreas Houben
Distribution patterns of phosphorylated Thr 3 and Thr 32 of histone H3 in plant mitosis and meiosis.
Cytogenetic and genome research 2008;122(1):73-9.
2008: Teresa Ribeiro; A Barão; Wanda Viegas; L Morais-Cecíli
Molecular cytogenetics of forest trees.
Cytogenetic and genome research 2008;120(3-4):220-7.
2008: Miguel Bento; H Sofia Pereira; Margarida Rocheta; Perry Gustafson; Wanda Viegas; Manuela Silva
Polyploidization as a retraction force in plant genome evolution: sequence rearrangements in triticale.
PloS one 2008;3(1):e1402.
2007: Mariana Carchilan; Margarida Delgado; Teresa Ribeiro; Pedro Costa-Nunes; Ana Caperta; Leonor Morais-Cecílio; R Neil Jones; Wanda Viegas; Andreas Houben
Transcriptionally active heterochromatin in rye B chromosomes.
The Plant cell 2007;19(6):1738-49.
2007: Ana Caperta; Nuno Neves; Wanda Viegas; Craig S Pikaard; Sasha Preuss
Relationships between transcription, silver staining, and chromatin organization of nucleolar organizers in Secale cereale.
Protoplasma 2007;232(1-2):55-9.
2007: Olga Pontes; Richard Lawrence; Manuela Silva; Sasha Preuss; Pedro Costa-Nunes; Keith Earley; Nuno Neves; Wanda Viegas; Craig S Pikaard
Postembryonic establishment of megabase-scale gene silencing in nucleolar dominance.
PloS one 2007;2(11):e1157.
2006: Keith Earley; Richard Lawrence; Olga Pontes; Rachel Reuther; Angel J Enciso; Manuela Silva; Nuno Neves; Michael Gross; Wanda Viegas; Craig S Pikaard
Erasure of histone acetylation by Arabidopsis HDA6 mediates large-scale gene silencing in nucleolar dominance.
Genes & development 2006;20(10):1283-93.
2006: Ana Caperta; Margarida Delgado; F Ressurreição; Armin Meister; R Neil Jones; Wanda Viegas; Andreas Houben
Colchicine-induced polyploidization depends on tubulin polymerization in c-metaphase cells.
Protoplasma 2006;227(2-4):147-53.
2005: Pedro Costa-Nunes; Teresa Ribeiro; Margarida Delgado; Leonor Morais-Cecílio; Neil Jones; Wanda Viegas
Molecular and cytological characterization of genomic variability in hexaploid wheat 'Lindström'.
Genome / National Research Council Canada = Génome / Conseil national de recherches Canada 2005;48(5):895-904.
2005: H Sofia Pereira; Augusta Barão; Margarida Delgado; Leonor Morais-Cecílio; Wanda Viegas
Genomic analysis of Grapevine Retrotransposon 1 (Gret 1) in Vitis vinifera.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik 2005;111(5):871-8.
2005: Alexandra Castilho; Margarida Cunha; Ana Rita Afonso; Leonor Morais-Cecílio; Pedro S Fevereiro; Wanda Viegas
Genomic characterization and physical mapping of two fucosyltransferase genes in Medicago truncatula.
Genome / National Research Council Canada = Génome / Conseil national de recherches Canada 2005;48(1):168-76.
2005: Nuno Neves; Margarida Delgado; Manuela Silva; Ana Caperta; Leonor Morais-Cecílio; Wanda Viegas
Ribosomal DNA heterochromatin in plants.
Cytogenetic and genome research 2005;109(1-3):104-11.
2004: Olga Pontes; Nuno Neves; Manuela Silva; Michelle S Lewis; Andreas Madlung; Luca Comai; Wanda Viegas; Craig S Pikaard
Chromosomal locus rearrangements are a rapid response to formation of the allotetraploid Arabidopsis suecica genome.
Proceedings of the National Academy of Sciences of the United States of America 2004;101(52):18240-5.
2004: Teresa Ribeiro; Bruno Pires; Margarida Delgado; Wanda Viegas; Neil Jones; Leonor Morais-Cecílio
Evidence for 'cross-talk' between A and B chromosomes of rye.
Proceedings. Biological sciences / The Royal Society 2004;271 Suppl 6():S482-4.
2004: Richard Lawrence; Keith Earley; Olga Pontes; Manuela Silva; Z Jeffrey Chen; Nuno Neves; Wanda Viegas; Craig S Pikaard
A concerted DNA methylation/histone methylation switch regulates rRNA gene dosage control and nucleolar dominance.
Molecular cell 2004;13(4):599-609.
2004: Margarida Delgado; Ana Caperta; Teresa Ribeiro; Wanda Viegas; R Neil Jones; Leonor Morais-Cecílio
Different numbers of rye B chromosomes induce identical compaction changes in distinct A chromosome domains.
Cytogenetic and genome research 2004;106(2-4):320-4.
2003: Olga Pontes; Richard Lawrence; Nuno Neves; Manuela Silva; Jae-Hyeok Lee; Z Jeffrey Chen; Wanda Viegas; Craig S Pikaard
Natural variation in nucleolar dominance reveals the relationship between nucleolus organizer chromatin topology and rRNA gene transcription in Arabidopsis.
Proceedings of the National Academy of Sciences of the United States of America 2003;100(20):11418-23.
2002: Ana Paula Santos; Rita Abranches; Eva Stoger; Alison F Beven; Wanda Viegas; Peter Shaw
The architecture of interphase chromosomes and gene positioning are altered by changes in DNA methylation and histone acetylation.
Journal of cell science 2002;115(Pt 23):4597-605.
2002: Ana Caperta; Nuno Neves; Leonor Morais-Cecílio; Rui Malhó; Wanda Viegas
Genome restructuring in rye affects the expression, organization and disposition of homologous rDNA loci.
Journal of cell science 2002;115(Pt 14):2839-46.
2000: L Morais-Cecilio; Margarida Delgado; R Neil Jones; Wanda Viegas
Modification of wheat rDNA loci by rye B chromosomes: a chromatin organization model.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 2000;8(4):341-51.
2000: Olga Pontes; H Cotrim; S Pais; Wanda Viegas
Physical mapping, expression patterns and interphase organisation of rDNA loci in Portuguese endemic Silene cintrana and Silene rothmaleri.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 2000;8(4):313-7.
1999: Alexandra M M F Castilho; Nuno Neves; M Rufini-Castiglione; Wanda Viegas; Pat (JS) Heslop-Harrison
5-Methylcytosine distribution and genome organization in triticale before and after treatment with 5-azacytidine.
Journal of cell science 1999;112 ( Pt 23)():4397-404.
1997: L Amado; Rita Abranches; Nuno Neves; Wanda Viegas
Development-dependent inheritance of 5-azacytidine-induced epimutations in triticale: analysis of rDNA expression patterns.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1997;5(7):445-50.
1997: Leonor Morais-Cecílio; Margarida Delgado; R Neil Jones; Wanda Viegas
Interphase arrangement of rye B chromosomes in rye and wheat.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1997;5(3):177-81.
1997: Nuno Neves; Manuela Silva; Pat (JS) Heslop-Harrison; Wanda Viegas
Nucleolar dominance in triticales: control by unlinked genes.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1997;5(2):125-31.
1996: L Morais-Cecílio; M Delgado; R N Jones; Wanda Viegas
Painting rye B chromosomes in wheat: interphase chromatin organization, nuclear disposition and association in plants with two, three or four Bs.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1996;4(3):195-200.
1995: M Silva; A Queiroz; Nuno Neves; A Barão; A Castilho; L Morais-Cecílio; Wanda Viegas
Reprogramming of rye rDNA in triticale during microsporogenesis.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1995;3(8):492-6.
1995: M Delgado; L Morais-Cecílio; Nuno Neves; R N Jones; Wanda Viegas
The influence of B chromosomes on rDNA organization in rye interphase nuclei.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1995;3(8):487-91.
1995: A Castilho; A Queiroz; Nuno Neves; A Barao; M Silva; Wanda Viegas
The developmental stage of inactivation of rye origin rRNA genes in the embryo and endosperm of wheat x rye F1 hybrids.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology 1995;3(3):169-74.