Search Results - "Loreto, Vilma"

Wide dispersion of B chromosomes in Rhammatocerus brasiliensis (Orthoptera, Acrididae) by Melo, Adriana S, Cruz, Geyner A S, Félix, Aline P, Rocha, Marília F, Loreto, Vilma, Moura, Rita C

“…The grasshopper Rhammatocerus brasiliensis shows polymorphism of B chromosomes, but the magnitude of B-chromosome occurrence and the factors that may…”
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Chromosome mapping in Abracris flavolineata (De Geer, 1773) (Orthoptera) from the Iguaçu National Park - Foz do Iguaçu, Paraná, Brazil by Pine, Mariana Bozina, Gallo, Raquel Bozini, da Silva, Carlos Roberto Maximiano, Pezenti, Larissa Forim, Domenico, Fernando Campos De, Loreto, Vilma, da Rosa, Renata

“…In this paper, we present the cytomolecular analysis of a population of collected in the largest fragment of the Brazilian Atlantic forest, the Iguaçu National…”
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Chromosomal mapping of rDNAs and H3 histone sequences in the grasshopper rhammatocerus brasiliensis (acrididae, gomphocerinae): extensive chromosomal dispersion and co-localization of 5S rDNA/H3 histone clusters in the A complement and B chromosome by Oliveira, Nathalia L, Cabral-de-Mello, Diogo C, Rocha, Marília F, Loreto, Vilma, Martins, Cesar, Moura, Rita C

“…Supernumerary B chromosomes occur in addition to standard karyotype and have been described in about 15% of eukaryotes, being the repetitive DNAs the major…”
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Chromosome mapping of ribosomal genes and histone H4 in the genus Radacridium (Romaleidae) by Anjos, Allison, Loreto, Vilma, de Souza, Maria José

“…In this study, two species of Romaleidae grasshoppers, Radacridium mariajoseae and R.nordestinum, were analyzed after CMA3/DA/DAPI sequential staining and…”
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Spreading of heterochromatin and karyotype differentiation in two Tropidacris Scudder, 1869 species (Orthoptera, Romaleidae) by Rocha, Marília de França, Pine, Mariana Bozina, Oliveira, Elizabeth Felipe Alves Dos Santos, Loreto, Vilma, Gallo, Raquel Bozini, da Silva, Carlos Roberto Maximiano, de Domenico, Fernando Campos, da Rosa, Renata

“…Tropidacris Scudder, 1869 is a genus widely distributed throughout the Neotropical region where speciation was probably promoted by forest reduction during the…”
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The satellite DNA AflaSAT-1 in the A and B chromosomes of the grasshopper Abracris flavolineata by Milani, Diogo, Ramos, Érica, Loreto, Vilma, Martí, Dardo Andrea, Cardoso, Adauto Lima, de Moraes, Karen Cristiane Martinez, Martins, Cesar, Cabral-de-Mello, Diogo Cavalcanti

“…Satellite DNAs (satDNAs) are organized in repetitions directly contiguous to one another, forming long arrays and composing a large portion of eukaryote…”
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Chromosomal and genomic analysis suggests single origin and high molecular differentiation of the B chromosome of Abracris flavolineata by Milani, Diogo, Gasparotto, Ana Elisa, Loreto, Vilma, Martí, Dardo A, Cabral-de-Mello, Diogo C

“…Supernumerary chromosomes (B chromosomes) have been an intriguing subject of study. Our understanding of the molecular differentiation of B chromosomes from an…”
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Centromeric enrichment of LINE-1 retrotransposons and its significance for the chromosome evolution of Phyllostomid bats by de Sotero-Caio, Cibele Gomes, Cabral-de-Mello, Diogo Cavalcanti, Calixto, Merilane da Silva, Valente, Guilherme Targino, Martins, Cesar, Loreto, Vilma, de Souza, Maria José, Santos, Neide

“…Despite their ubiquitous incidence, little is known about the chromosomal distribution of long interspersed elements (LINEs) in mammalian genomes. Phyllostomid…”
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How dynamic could be the 45S rDNA cistron? An intriguing variability in a grasshopper species revealed by integration of chromosomal and genomic data by Ferretti, Ana B. S. M., Ruiz-Ruano, Francisco J., Milani, Diogo, Loreto, Vilma, Martí, Dardo A., Ramos, Erica, Martins, Cesar, Cabral-de-Mello, Diogo C.

“…To better understand the structure and variability of the 45S rDNA cistron and its evolutionary dynamics in grasshoppers, we performed a detailed analysis…”
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Karyotype, constitutive heterochromatin and nucleolar organizer regions (NORs) in Belosacris coccineipes (Acrididae-Leptysminae) by Loreto, Vilma, Souza, Maria José de

“…Several techniques including C-banding, fluorochromes and silver staining were used to obtain information about heterochromatin patterns in the grasshopper B…”
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Satellite DNAs Unveil Clues about the Ancestry and Composition of B Chromosomes in Three Grasshopper Species by Milani, Diogo, Bardella, Vanessa B, Ferretti, Ana B S M, Palacios-Gimenez, Octavio M, Melo, Adriana de S, Moura, Rita C, Loreto, Vilma, Song, Hojun, Cabral-de-Mello, Diogo C

“…Supernumerary (B) chromosomes are dispensable genomic elements occurring frequently among grasshoppers. Most B chromosomes are enriched with repetitive DNAs,…”
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Organization of some repetitive DNAs and B chromosomes in the grasshopper Eumastusia koebelei koebelei (Rehn, 1909) (Orthoptera, Acrididae, Leptysminae) by Anjos, Allison, Loreto, Vilma, Cabral-de-Mello, Diogo C

“…B chromosomes occur in approximately 15% of eukaryotes and are usually heterochromatic and rich in repetitive DNAs. Here we describe characteristics of a B…”
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Patterns of rDNA and telomeric sequences diversification: contribution to repetitive DNA organization in Phyllostomidae bats by Calixto, Merilane da Silva, de Andrade, Izaquiel Santos, Cabral-de-Mello, Diogo Cavalcanti, Santos, Neide, Martins, Cesar, Loreto, Vilma, de Souza, Maria José

“…Chromosomal organization and the evolution of genome architecture can be investigated by physical mapping of the genes for 45S and 5S ribosomal DNAs (rDNAs)…”
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Chromosomal dynamics, molecular organization and evolutionary patterns of major ribosomal DNA in the Grasshopper Abracris flavolineata (Acrididae) by Ferretti, Ana Beatriz Stein Machado, Ruiz Ruano, Francisco, Camacho, Juan Pedro Martinez, Loreto, Vilma, Cabral de Mello, Diogo Cavalcanti

“…In the grasshopper Abracris flavolineata it was documented huge intrapopulation variation for 18S rDNA in individuals collected in six populations, but causes…”
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Population study of the B chromosome frequency in the grasshopper Abracris flavolineata by Silva, Ana Elisa Gasparotto da, Milani, Diogo, Loreto, Vilma, Martí, Dardo Andrea, Cabral de Mello, Diogo Cavacanti

“…Additional parasitic elements known as B chromosomes have been described in approximatey 15% of eukaryotic species. They have primary characteristics that…”
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Chromosomal evolution of rDNA and H3 histone genes in representative Romaleidae grasshoppers from northeast Brazil by Neto, Marcos S Regueira, de Souza, Maria José, Loreto, Vilma

“…Grasshoppers from the Romaleidae family are well distributed in the Neotropical Region and represent a diversified and multicolored group in which the…”
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Possible autosomal origin of macro B chromosomes in two grasshopper species by Loreto, Vilma, Cabrero, Josefa, López-León, Maria Dolores, Camacho, Juan Pedro M, Souza, Maria José

“…The acrocentric macro B chromosomes of Rhammatocerus brasiliensis (Acrididae, Gomphocerinae) and Xyleus discoideus angulatus (Romaleidae, Romaleinae) are…”
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Comparative analysis of rDNA location in five Neotropical gomphocerine grasshopper species by Loreto, Vilma, Cabrero, Josefa, López-León, Maria Dolores, Camacho, Juan Pedro M, de Souza, Maria José

“…We report here, for the first time, the chromosome complement, number and location of the nucleolar organizer regions (NORs) revealed by silver staining…”
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A comparative cytogenetic analysis between the grasshopper species Chromacris nuptialis and C. speciosa (Romaleidae): constitutive heterochromatin variability and rDNA sites by Loreto, Vilma, Stadtler, Eva, de Melo, Natoniel F, de Souza, Maria José

“…The chromosomes of Chromacris nuptialis and C. speciosa were comparatively analyzed using different cytogenetic techniques, in order to determine the level of…”
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