Search Results - "Lourenço, Luciana B."

High diversity of 5S ribosomal DNA and evidence of recombination with the satellite DNA PcP190 in frogs by Targueta, Cintia P., Gatto, Kaleb P., Vittorazzi, Stenio E., Recco-Pimentel, Shirlei M., Lourenço, Luciana B.

“…•Evolution of anuran 5S rDNA suggests enrollment of birth-and-death processes.•Evidence of recombination between 5S rDNA and PcP190 satellite DNA.•Functional…”
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Phylogeny of frogs from the genus Physalaemus (Anura, Leptodactylidae) inferred from mitochondrial and nuclear gene sequences by Lourenço, Luciana B., Targueta, Cíntia P., Baldo, Diego, Nascimento, Juliana, Garcia, Paulo C.A., Andrade, Gilda V., Haddad, Célio F.B., Recco-Pimentel, Shirlei M.

“…[Display omitted] •The phylogeny of the anuran genus Physalaemus is presented.•Forty-one of the currently 46 named species were included.•Two major clades were…”
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Sex Chromosome Differentiation in the Frog Genus Pseudis Involves Satellite DNA and Chromosome Rearrangements by Gatto, Kaleb P, Mattos, João V, Seger, Karin R, Lourenço, Luciana B

“…The genus comprises six frogs of the family Hylidae and only had heteromorphic sex chromosomes detected by classical cytogenetics. In this species, the W…”
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Sex chromosome evolution in frogs-helpful insights from chromosome painting in the genus Engystomops by Targueta, Cíntia P, Krylov, Vladimir, Nondilo, Tobias E, Lima, Jucivaldo, Lourenço, Luciana B

“…The differentiation of sex chromosomes is thought to be interrupted by relatively frequent sex chromosome turnover and/or occasional recombination between sex…”
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Cytogenetics of four foam-nesting frog species of the Physalaemus gracilis group (Anura, Leptodactylidae) by Ferro, Juan M, Taffarel, Alberto, Tomatis, Cristian, Borteiro, Claudio, Kolenc, Francisco, Gatto, Kaleb P, Lourenço, Luciana B, Baldo, Diego

“…Intending to increase the knowledge about cytogenetics of Physalaemus and the sparsely studied P. gracilis group, we analyzed the karyotypes of P. carrizorum,…”
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Systematics and cryptic diversification of Leptodactylus frogs in the Brazilian campo rupestre by Carvalho, Thiago R., Seger, Karin R., Magalhães, Felipe M., Lourenço, Luciana B., Haddad, Célio F. B.

“…The campo rupestre is a unique mountaintop ecosystem in eastern South America, recognised for its endemism and as ecological refugia for plant and animal taxa…”
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Polytypic and polymorphic cytogenetic variations in the widespread anuran Physalaemus cuvieri (Anura, Leiuperidae) with emphasis on nucleolar organizing regions by Quinderé, Yeda R S D, Lourenço, Luciana B, Andrade, Gilda V, Tomatis, Cristian, Baldo, Diego, Recco-Pimentel, Shirlei M

“…We investigated the NOR distribution in ten populations of Physalaemus cuvieri from different regions of Brazil and Argentina. A high variability in NOR…”
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A single origin for the widely distributed B chromosomes of the gladiator frog Boana albopunctata by Ferro, Juan M, Gatto, Kaleb P, Netto, Flavia, Resquín, Juan J, Costa, William, Martí, Dardo A, Lourenço, Luciana B, Baldo, Diego

“…Abstract B chromosomes are supernumerary elements that have a wide taxonomic distribution among eukaryotes. Although they are dispensable, they can acquire…”
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Multiple contact zones and karyotypic evolution in a neotropical frog species complex by Souza, Lucas H. B., Pierson, Todd W., Tenório, Renata O., Ferro, Juan M., Gatto, Kaleb P., Silva, Bruno C., de Andrade, Gilda V., Suárez, Pablo, Haddad, Célio F. B., Lourenço, Luciana B.

“…Previous studies of DNA sequence and karyotypic data have revealed high genetic diversity in the Physalaemus cuvieri – Physalaemus ephippifer species complex—a…”
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Systematic Revision of the Rare Bromeligenous Genus Crossodactylodes Cochran 1938 (Anura: Leptodactylidae: Paratelmatobiinae) by Santos, Marcus Thadeu T., Magalhães, Rafael F., Ferreira, Rodrigo B., Vittorazzi, Stenio E., Dias, Iuri R., Leite, Felipe S. F., Lourenço, Luciana B., Santos, Fabrício R., Haddad, Célio F. B., Garcia, Paulo C. A.

“…Crossodactylodes is a poorly known genus of small-sized bromeligenous frogs, endemic to Brazil. They have a patchy distribution across the mountains of the…”
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Redescription of Physalaemus barrioi (Anura: Leiuperidae) by Provete, Diogo B, Garey, Michel V, Toledo, Luís Felipe, Nascimento, Juliana, Lourenço, Luciana B, Rossa-Feres, Denise de C, Haddad, Célio F. B

“…Physalaemus barrioi is a poorly known frog endemic to the highlands of Serra da Bocaina in the Atlantic Forest of southeastern Brazil. Herein, we redescribe…”
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A phylogenetic analysis of Pseudopaludicola (Anura) providing evidence of progressive chromosome reduction by Veiga-Menoncello, Ana C. P., Lourenço, Luciana B., Strüssmann, Christine, Rossa-Feres, Denise C., Andrade, Gilda V., Giaretta, Ariovaldo A., Recco-Pimentel, Shirlei M.

“…Here, we present a molecular phylogenetic analysis of the Neotropical genus Pseudopaludicola focusing on species relationships including 11 of the 17 known…”
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Polymorphism of the nucleolus organizer regions (NORs) in Physalaemus petersi (Amphibia, Anura, Leptodactylidae) detected by silver staining and fluorescence in situ hybridization by Lourenço, L B, Recco-Pimentel, S M, Cardoso, A J

“…The nucleolus organizer regions (NORs) of both karyotypes I and II of Physalaemus petersi (Jiménez de la Espada, 1872) from the Brazilian Amazon were studied…”
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Restriction fragment analysis of the ribosomal DNA of Paratelmatobius and Scythrophrys species (Anura, Leptodactylidae) by Lourenço, Luciana B., Garcia, Paulo C.A., Recco-Pimentel, Shirlei M.

“…Physical maps of the ribosomal RNA gene 28S of species belonging to the genera Paratelmatobius and Scythrophrys were constructed, using five restriction…”
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Molecular organization and chromosomal localization of 5S rDNA in Amazonian Engystomops (Anura, Leiuperidae) by Rodrigues, Débora Silva, Rivera, Miryan, Lourenço, Luciana Bolsoni

“…For anurans, knowledge of 5S rDNA is scarce. For Engystomops species, chromosomal homeologies are difficult to recognize due to the high level of inter- and…”
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Cytogenetics of two species of Paratelmatobius (Anura: Leptodactylidae), with phylogenetic comments by Lourenço, L B, Garcia, P C, Recco-Pimentel, S M

“…In this paper we provide a cytogenetic analysis of Paratelmatobius cardosoi and Paratelmatobius poecilogaster. The karyotypes of both species showed a diploid…”
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