Search Results - "Teixeira, Gisele Amaro"

Distribution of GC-rich heterochromatin and ribosomal genes in three fungus-farming ants (Myrmicinae, Attini, Attina): insights on chromosomal evolution by Teixeira, Gisele Amaro, Barros, Luísa Antônia Campos, de Aguiar, Hilton Jeferson Alves Cardoso, Lopes, Denilce Meneses

“…Cytogenetic studies on fungus-farming ants have shown remarkable karyotype diversity, suggesting different chromosomal rearrangements involved in karyotype…”
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Cytogenetic characterization of solitary wasp Ancistrocerus flavomarginatus (Brèthes, 1906) (Hymenoptera, Vespidae) with insights into the chromosomal evolution in the genus by Tavares, Mara Garcia, Teixeira, Gisele Amaro

“…Cytogenetic studies have enabled the characterization of the chromosomal macrostructure and microstructure and have contributed to the understanding of the…”
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Classic and molecular cytogenetic analysis unveils different chromosome rearrangements shaping the karyotype of Monobia angulosa Saussure, 1852 (Hymenoptera: Vespidae: Eumeninae) by Tavares, Mara Garcia, Teixeira, Gisele Amaro

“…Abstract Cytogenetic molecular studies involving hymenopterans have improved our knowledge about the composition, organization and evolution of the genomes of…”
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Conventional cytogenetics and microsatellite chromosomal distribution in social wasp Mischocyttarus cassununga (Ihering, 1903) (Vespidae, Polistinae, Mischocyttarini) by Novaes, Camila Moura, Teixeira, Gisele Amaro, Juris, Eydyeliana Month, Lopes, Denilce Meneses

“…Cytogenetics has allowed the investigation of chromosomal diversity and repetitive genomic content in wasps. In this study, we characterized the karyotype of…”
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First Karyotype Description for Acanthognathus rudis Brown & Kempf, 1969 (Formicidae: Myrmicinae) with Notes on Its Natural History by Jacintho, Gabriela de Figueiredo, Vieira, Eduarda Melo de Abreu, Teixeira, Gisele Amaro, Lopes, Denilce Meneses, Serrão, José Eduardo

“…The trap-jaw ant Acanthognathus Mayr (Myrmicinae: Dacetina) has been subject of various studies since 1969, but there has been no progress in its cytogenetics…”
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Chromosome Mapping of Ribosomal DNA Clusters in Four Leaf-cutting Ant Species of the Genus Acromyrmex, with Description of a Triploid Individual in A. laticeps by Barros, Luísa Antonia Campos, Teixeira, Gisele Amaro, Lod, Rodrigo Batista, Arnhold, Alexandre, De Aguiar, Hilton Jeferson Alves Cardoso

“…The increase of cytogenetic data in the leaf-cutting genus Acromyrmex has shown interesting contributions to the evolutionary and taxonomic approaches,…”
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Decay of homologous chromosome pairs and discovery of males in the thelytokous fungus-growing ant Mycocepurus smithii by Barros, Luísa Antônia Campos, Rabeling, Christian, Teixeira, Gisele Amaro, dos Santos Ferreira Mariano, Cléa, Delabie, Jacques Hubert Charles, de Aguiar, Hilton Jeferson Alves Cardoso

“…The prevalent mode of reproduction among ants is arrhenotokous parthenogenesis where unfertilized eggs give rise to haploid males and fertilized eggs develop…”
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Physical chromosomal mapping of major ribosomal genes in 15 ant species with a review of hypotheses regarding evolution of the number and position of NORs in ants by Damasceno, Monique Telcia Dos Santos, Teixeira, Gisele Amaro, Ferreira, Paulo Castro, Lod, Rodrigo Batista, Barros, Luísa Antônia Campos, de Aguiar, Hilton Jeferson Alves Cardoso

“…Recently, hypotheses regarding the evolutionary patterns of ribosomal genes in ant chromosomes have been under discussion. One of these hypotheses proposes a…”
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First Report of the Tramp ant Technomyrmex vitiensis Mann, 1921 (Formicidae: Dolichoderinae) in Brazil with Cytogenetic and Sperm Structure Data and an Updated Key to Brazilian Dolichoderinae Genera by Barros, Luísa Antônia Campos, Chaul, Júlio Cezar Mário, Teixeira, Gisele Amaro, Lod, Rodrigo Batista, Orivel, Jérôme, de Aguiar, Hilton Jeferson Alves Cardoso

“…Invasive ants are usually harmful taxa and are considered a potential problem to biodiversity due to their negative ecological impacts, as they can outcompete…”
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Cytogenetic studies in Trachymyrmex holmgreni Wheeler, 1925 (Formicidae: Myrmicinae) by conventional and molecular methods by Barros, Luísa Antônia Campos, Teixeira, Gisele Amaro, De Aguiar, Hilton Jeferson Alves Cardoso, Lopes, Denilce Meneses, Pompolo, Silvia Das Graças

“…Over the past several decades, ant cytogenetic studies have focused on chromosome number and morphology; however, recently, additional information concerning…”
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Karyotypic data of five ant taxa from the Brazilian Atlantic rainforest by Teixeira, Gisele Amaro, Barros, Luísa Antônia Campos, Lopes, Denilce Meneses, Aguiar, Hilton Jeferson Alves Cardoso de

“…The Brazilian Atlantic rainforest is an endangered biome and biodiversity hotspot. Ant cytogenetic studies from this biome showed remarkable chromosomal…”
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Comparative cytogenetic analysis reveals chromosomal variability in five stingless bees of the genus Trigona (Apidae, Apinae, Meliponini) by Teixeira, Gisele Amaro, de Paiva Ferreira, Riudo, Lopes, Denilce Meneses

“…The stingless bee genus Trigona includes 32 species, exclusive to the New World, which are grouped into two clades (A and B) according to phylogenetic…”
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Multiple heterochromatin diversification events in the genome of fungus-farming ants: insights from repetitive sequences by Teixeira, Gisele Amaro, Barros, Luísa Antônia Campos, de Aguiar, Hilton Jeferson Alves Cardoso, Lopes, Denilce Meneses

“…A substantial portion of the eukaryotic genome includes repetitive DNA, which is important for its stability, regulation, and architecture. Fungus-farming ant…”
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Evolutionary insights into the genomic organization of major ribosomal DNA in ant chromosomes by Teixeira, G. A., Aguiar, H. J. A. C., Petitclerc, F., Orivel, J., Lopes, D. M., Barros, L. A. C.

“…The major rDNA genes are composed of tandem repeats and are part of the nucleolus organizing regions (NORs). They are highly conserved and therefore useful in…”
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New patterns of polymorphism in the karyotypic analysis of the genus Plebeia (Hymenoptera, Apidae) by Campos, Cristiano Lula, Teixeira, Gisele Amaro, Lopes, Denilce Meneses, de Araujo Bitencourt, Jamille, Bezerra, Debora Diniz, de Oliveira Alves, Rogério Marcos, de Azevedo Werneck, Hugo, Waldschmidt, Ana Maria

“…Plebeia is a taxonomically complex genus of stingless bees characterized by remarkable interspecific morphological similarity. On the other hand, cytogenetic…”
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Cytogenetic studies on the social parasite Acromyrmex ameliae (Formicidae: Myrmicinae: Attini) and its hosts reveal chromosome fusion in Acromyrmex by Barros, Luísa Antônia Campos, de Aguiar, Hilton Jeferson Alves Cardoso, Teixeira, Gisele Amaro, de Souza, Danival José, Delabie, Jacques Hubert Charles, Mariano, Cléa dos Santos Ferreira

“…The ant Acromyrmex ameliae is a social parasite of two leaf-cutting ant subspecies: Acromyrmex subterraneus subterraneus and A. subterraneus brunneus…”
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Cytogenetic variability in four species of Gnamptogenys Roger, 1863 (Formicidae: Ectatomminae) showing chromosomal polymorphisms, species complex, and cryptic species by Teixeira, Gisele Amaro, Barros, Luísa Antônia Campos, Lopes, Denilce Meneses, de Aguiar, Hilton Jeferson Alves Cardoso

“…Gnamptogenys includes 138 described species that are widely distributed, with high diversity, in the Neotropics. Some Neotropical species have taxonomic…”
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Comparative physical mapping of 18S rDNA in the karyotypes of six leafcutter ant species of the genera Atta and Acromyrmex (Formicidae: Myrmicinae) by Teixeira, Gisele Amaro, Barros, Luísa Antônia Campos, de Aguiar, Hilton Jeferson Alves Cardoso, das Graças Pompolo, Silvia

“…Leafcutter ants of the Atta and Acromyrmex genera are important plagues in different cultures. Cytogenetic data on chromosome number, morphology, and…”
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Cytogenetic survey of eight ant species from the Amazon rainforest by Barros, Luísa, Teixeira, Gisele, Ferreira, Paulo, Lod, Rodrigo, Silveira, Linda, Petitclerc, Frédéric, Orivel, Jérôme, Aguiar, Hilton

“…The scarce information regarding ant diversity in the state of Amapá and lack of cytogenetic data of species from the Amazon region can hide ant biodiversity…”
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Cytogenetic data on the threatened leafcutter ant Atta robusta Borgmeier, 1939 (Formicidae: Myrmicinae: Attini) by Barros, Luísa Antônia Campos, Aguiar, Hilton Jeferson Alves Cardoso de, Teixeira, Gisele Amaro, Mariano, Cléa Dos Santos Ferreira, Teixeira, Marcos da Cunha, Delabie, Jacques Hubert Charles, Pompolo, Silvia das Graças

“…The karyotype of the threatened ant species Atta robusta is described so as to establish the evolutionary relationships of this taxon with other leafcutter…”
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