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Physical organization of the 1.709 satellite IV DNA family in Bovini and Tragel...

Adega, Filomena; Chaves, Raquel; Guedes-Pinto, Henrique; Heslop-Harrison, J.S.

Data: 2006   |   Origem: Repositório da UTAD

Phylogenetic relationships and the primitive X chromosome inferred from chromos...

Chaves, Raquel; Guedes-Pinto, Henrique; Heslop-Harrison, J. S

Data: 2005   |   Origem: Repositório da UTAD

Phylogenetic relationships and the primitive X chromosome inferred from chromos...

Chaves, Raquel; Guedes-Pinto, Henrique; Heslop-Harrison, J. S

Data: 2005   |   Origem: Repositório da UTAD

Chromosomal and Satellite (1.709 family) DNA analysis in Bovini and Tragelaphin...

Adega, Filomena; Chaves, Raquel; Heslop-Harrison, J. S; Guedes-Pinto, Henrique; Wienberg, Johannes

Data: 2004   |   Origem: Repositório da UTAD

Complex satellite DNA reshuffling in the polymorphic t(1;29) Robertsoninan tran...

Chaves, Raquel; Adega, Filomena; Heslop-Harrison, J. S.; Guedes-Pinto, Henrique; Wienberg, J.

Data: 2003   |   Origem: Repositório da UTAD

In situ hybridization and chromosome banding in mammalian species

Chaves, Raquel; Adega, Filomena; Santos, Sara; Guedes-Pinto, Henrique; Heslop-Harrison, J.S.

Data: 2002   |   Origem: Repositório da UTAD

Centromeric heterochromatin in the cattle rob (1; 29) translocation: ¿-satellit...

Chaves, Raquel; Heslop-Harrison, J. S.; Guedes-Pinto, Henrique

Data: 2000   |   Origem: Repositório da UTAD

The species and chromosomal distribution of the centromeric α-satellite I seque...

Chaves, Raquel; Guedes-Pinto, Henrique; Heslop-Harrison, J.S.; Schwarzacher, T.

Data: 2000   |   Origem: Repositório da UTAD

Nucleolar dominance in triticales: control by unlinked genes

Neves, N.; Silva, M.; Heslop-Harrison, J.S.; Viegas, W.

Hybrid plants and animals often show suppression of activity of ribosomal genes (rDNA) originating from one of the parental or ancestral species. In the wheat6rye amphiploid triticale, containing 28 chromosomes of wheat origin and 14 from rye, rDNA of rye origin (on chromosome 1R) is not normally expressed, while the 1B- and 6B-origin rDNA from wheat shows strong expression. Expression of rDNA can be accurately...

Data: 1997   |   Origem: Repositório da UTL

rRNA gene activity and control of expression mediated by methylation and imprin...

Neves, N.; Heslop-Harrison, J.S.; Viegas, W.

Ribosomal RNA genes originating from one parent are often suppressed in interspecific hybrids. We show that treatments during germination with the cytosine analogue 5-azacytidine stably reactivate the expression of the suppressed rRNA genes of rye origin in the wheat x rye amphiploid, triticale, by preventing methylation of sites in the rye rDNA. When 5-azacytidine is applied to embryos of triticale and wheat x...

Data: 1995   |   Origem: Repositório da UTL

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia