Month: February 2005

Localization of rDNA sites in holocentric chromosomes of three species of triatomines (Heteroptera, Triatominae)

Grasiela Dias de Campos Severi-Aguiar, Maria Tercília Vilela de Azeredo-OliveiraPublished November 29, 2005Genet. Mol. Res. 4 (4): 704-709 (2005) About the AuthorsGrasiela Dias de Campos Severi-Aguiar, Maria Tercília Vilela de Azeredo-Oliveira Corresponding authorG.D.C. Severi-AguiarEmail: grazielaguiar@terra.com.br ABSTRACT Chromatin organization in the holocentric chromosomes of three triatomines species was cytologically studied by fluorescent in situ hybridization with […]

Cytogenetic and genotoxic effects of the insecticides, imidacloprid and methamidophos

N. Ulku Karabay, M. Gunnehir OguzPublished November 7, 2005Genet. Mol. Res. 4 (4): 653-662 (2005) About the AuthorsN. Ulku Karabay, M. Gunnehir Oguz Corresponding authorN.U. KarabayEmail: karabay@sci.ege.edu.tr/ulkukarabay@hotmail.com ABSTRACT We examined the cytogenetic and genotoxic effects of the neonicotinoid insecticide imidacloprid and the organophosphate insecticide methamidophos, when administered alone or in combination. These insecticides were tested […]

Breeding cassava for apomixis

Nagib M.A. Nassar, Rosane G. CollevattiPublished November 29, 2005Genet. Mol. Res. 4 (4): 710-715 (2005) About the AuthorsNagib M.A. Nassar, Rosane G. Collevatti Corresponding authorN.M.A. NassarEmail: nagnassa@rudah.com.br ABSTRACT Apomixis genes have been successfully transferred to cassava (Manihot esculenta) by hybridizing it with the wild species, M. glaziovii. The interspecific hybrid of cassava and M. glaziovii […]

A genomic-scale search for regulatory binding sites in the integration host factor regulon of Escherichia coli K12

M. Trindade dos Santos, Paulo Sérgio RodriguesPublished December 27, 2005Genet. Mol. Res. 4 (4): 783-789 (2005) About the AuthorsM. Trindade dos Santos, Paulo Sérgio Rodrigues Corresponding authorM.T. SantosEmail: msantos@lncc.br ABSTRACT We examined general aspects of the DNA-protein interaction between the integration host factor (IHF) global regulator and its regulatory binding sites in the Escherichia coli […]

Composition of constitutive heterochromatin of Pseudonannolene strinatii Mauriès, 1974 (Diplopoda, Spirostreptida) analyzed by AT/CG specific fluorochromes

Kleber Agari Campos, Carmem Silvia FontanettiPublished December 21, 2005Genet. Mol. Res. 4 (4): 765-770 (2005) About the AuthorsKleber Agari Campos, Carmem Silvia Fontanetti Corresponding authorK.A. CamposEmail: kleber_agari@yahoo.com.br ABSTRACT Triple staining with fluorochromes (DA/DAPI/CMA) and C-banding were used to characterize the composition of Pseudonannolene strinatii heterochromatin. C-banding showed C+ bands of different labeling intensity on chromosomes […]

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