Now showing items 141-160 of 216

    • Cytogenetic studies in the redtail catfish, Phractocephalus hemioliopterus (Bloch & Schneider, 1801) (Siluriformes, Pimelodidae) a giant fish from Amazon basin 

      Swarça, Ana Claudia; Dias, Ana Lucia; Fenocchio, Alberto Sergio (Pensoft, 2017-03-06)
      The objective of this study was to cytogenetically analyze Phractocephalus hemioliopterus comparing the findings with other data to infer relationships among Pimelodidae species. The results revealed a diploid number of ...
    • Genotoxic response of blood, gill and liver cells of Piaractus mesopotamicus after an acute exposure to a glyphosate-based herbicide 

      Leveroni, Flavia Antonela; Caffetti, Jacqueline Diana; Pastori, María Cristina (Taylor & Francis, 2016-12-08)
      The use of pesticides may affect the aquatic ecosystem. Through soil, these contaminants are drained into rivers. In South America, glyphosate-base herbicides, such as Roundup, are widely used in agricultural activities. ...
    • Mitochondrial DNA ancestry, HPV infection and the risk of cervical cancer in a multiethnic population of northeastern Argentina 

      Badano, Inés; Sanabria, Daiana Jimena; Tótaro, Roxana María; Rubinstein, Samara; Gili, Juan Antonio; Liotta, Domingo Javier; Picconi, María Alejandra; Campos, Rodolfo Héctor; Schurr, Theodore G. (Public Library of Science, 2018-01-12)
      Background Misiones Province in northeastern Argentina is considered to be a region with a high prevalence of HPV infection and a high mortality rate due to cervical cancer. The reasons for this epidemiological trend are ...
    • Molecular epidemiology and phylogenetic analysis of human papillomavirus infection in women with cervical lesions and cancer from the coastal region of Ecuador 

      Bedoya-Pilozo, César; Medina Magües, Lex Guillermo; Espinosa-García, Maylen; Sánchez, Martha; Parrales Valdiviezo, Johanna; Molina, Denisse; Ibarra, María Alejandra; Quimis-Ponce, María; España, Karool; Párraga Macias, Karla; Cajas Flores, Nancy; Narváez, Solon Alberto Orlando; Robalino Penaherrera, Jorge Andrés; Chedraui, Peter; Escobar, Saul; Loja Chango, Rita Dolores; Ramírez-Morán, Cecibel; Espinoza-Caicedo, Jasson; Sánchez-Giler, Sunny; Limia, Celia M.; Alemán, Yoan; Soto, Yudira; Kouri, Vivian; Culasso, Andrés Carlos Alberto; Badano, Inés (Asociación Argentina de Microbiología, 2018-04-01)
      El objetivo del presente estudio fue aportar información sobre la epidemiología molecular del virus del papiloma humano (human papillomavirus [HPV]) y los factores de riesgo asociados al desarrollo de lesiones cervicales ...
    • Trabajos varios sobre papiloma virus humano en el sur de Ecuador 

      Rivera Guapulema, Angélica; De la Plata, Janice; Montiel, Marynes; Romero, Christian; Piedrahíta, Paolo; Sánchez, Eduardo; Moreno, Arturo; Espinosa-García, Maylen; Bedoya-Pilozo, César; Arreaga, Carlos; España, Karool; Parrales, Eduardo; Zhingre, Alicia; Sánchez-Giler, Sunny; Campoverde, Alfredo; Dalgo, Paola; Arévalo, Paulina; García, Gustavo; Mendoza, Marcia; Ruiz, Juan; Sánchez, Martha; Medina Magües, Lex Guillermo; Párraga Macias, Karla; Ibarra, María Alejandra; Quimis-Ponce, María; Parrales Valdiviezo, Johanna; Molina, Denisse; Badano, Inés; Narváez, Solon Alberto Orlando; Vega Luzuriaga, Patricio; Ortiz, Angel; Muñoz, Marcelo; Chusan, Jhon (Instituto Nacional de Investigación en Salud Pública, 2018-03-30)
      Aprovechando la realización de las XL Jornadas Nacionales de Biología Espol en la ciudad de Guayaquil, se realizó una sesión dedicada a la epidemiología del virus de papiloma humano (VPH) y del cáncer cervical. Esta sesión ...
    • Polycyclic aromatic hydrocarbons (PAHs) in yerba mate (Ilexparaguariensis St. Hil) traditional infusions (mate and terere) 

      Thea, Ana Eugenia; Ferreyra, Darío Jorge; Brumovsky, Luis Alberto; Schmalko Radichowski, Miguel Eduardo (Elsevier, 2016-02-01)
      This study describes the occurrence of polycyclic aromatic hydrocarbons (PAHs) in traditional yerba maté hot and cold infusions ( mate and tereré), by monitoring the content of benz[a]anthracene, chrysene, benzo[b]fluoranthene, ...
    • Chromosome evolution in Cophomantini (Amphibia, Anura, Hylinae) 

      Ferro, Juan Martín; Cardozo, Dario Elbio; Suarez, Pablo; Boeris, Juan Martín; Blasco-Zúñiga, Ailin; Barbero, Gastón Alexis; Gomés, Anderson; Gazoni, Thiago; Costa, William; Nagamachi, Cleusa Yoshiko; Rivera, Miryan; Parise-Maltempi, Patricia Pasquali; Wiley, John E.; Pieczarka, Julio Cesar; Haddad, Célio Fernando Baptista; Faivovich, Julián; Baldo, Juan Diego (Public Library of Science, 2018-02-14)
      The hylid tribe Cophomantini is a diverse clade of Neotropical treefrogs composed of the genera Aplastodiscus, Boana, Bokermannohyla, Hyloscirtus, and Myersiohyla. The phylogenetic relationships of Cophomantini have been ...
    • A new species of Pseudopaludicola (Anura, Leiuperinae) from Espírito Santo, Brazil 

      Cardozo, Dario Elbio; Baldo, Juan Diego; Pupin, Nadya; Gasparini, João Luiz; Haddad, Célio Fernando Baptista (PeerJ Inc., 2018-05-16)
      We describe a new anuran species of the genus Pseudopaludicola that inhabits sandy areas in resting as associated to the Atlantic Forest biome in the state of Espírito Santo, Brazil. The new species is characterized by: ...
    • Recubrimientos porosos de dióxido de titanio sintetizados por oxidación anódica 

      Traid, Hernán Darío; Dwojak, Anabela Natalia; Vera, María Laura; Ares, Alicia Esther; Litter, Marta Irene (Universidad Federal de Rio de Janeiro, 2018-07-19)
      El TiO2 es uno de los materiales más utilizados en el proceso de fotocatálisis heterogénea debido a su disponibilidad comercial, bajo costo, baja toxicidad y elevada actividad fotocatalítica. Uno de los métodos más eficientes ...
    • Influencia de los tratamientos térmicos en recubrimientos anódicos nanotubulares de TiO2 

      Vera, María Laura; Henrikson, Edgard Rubén; Traid, Hernán Darío; Ares, Alicia Esther; Litter, Marta Irene (Universidad Federal de Rio de Janeiro, 2018-07-19)
      El TiO2 es un semiconductor ampliamente utilizado en el proceso de fotocatálisis heterogénea para la des-contaminación de aguas. Diversos estudios indican que las estructuras ordenadas de nanotubos en fase ana-tasa mejoran ...
    • Caracterización electroquímica de películas de óxido de zinc obtenidas por anodizado en medio alcalino 

      Díaz, Daiana Jennifer; Kramer, Gustavo Raúl; Traid, Hernán Darío; Méndez, Claudia Marcela; Ares, Alicia Esther (Universidad Federal de Rio de Janeiro, 2018-07-19)
      El óxido de Zinc es un material de particular interés a causa de sus propiedades ópticas y eléctricas únicas, que son exploradas para muchas aplicaciones en optoelectrónica y nanoelectrónica; y que puede ser sintetizado ...
    • Heterogeneous photocatalytic Cr(VI) reduction with short and long nanotubular TiO2 coatings prepared by anodic oxidation 

      Vera, María Laura; Traid, Hernán Darío; Henrikson, Edgard Rubén; Ares, Alicia Esther; Litter, Marta Irene (Elsevier, 2018-01-01)
      Nanotubular TiO2 coatings prepared by anodic oxidation of titanium were evaluated for the first time in the photocatalytic Cr(VI) reduction in the presence of EDTA. Small nanotubes (SN) were prepared by using aqueous ...
    • Yerba mate (Ilex paraguariensis, A. St.-Hil.) de novo transcriptome assembly based on tissue specific genomic expression profiles 

      Fay, Jessica Vannina; Watkins, Christopher J.; Shrestha, Ram K.; Litwiñiuk, Sergio Leandro; Talavera Stefani, Liliana Noelia; Rojas, Cristian A.; Argüelles, Carina Francisca; Ferreras, Julián Alberto; Cáccamo, Mario José; Miretti, Marcos Mateo (BioMed Central, 2018-12-07)
      Background: The most common infusion in southern Latin-American countries is prepared with dried leaves of Ilex paraguariensis A. St.-Hil., an aboriginal ancestral beverage known for its high polyphenols concentration ...
    • What happened in the South American Gran Chaco? Diversification of the endemic frog genus Lepidobatrachus Budgett, 1899 (Anura: Ceratophryidae) 

      Brusquetti Estrada, Fransisco Adolfo; Netto, Flavia; Baldo, Juan Diego; Haddad, Célio Fernando Baptista (Elsevier, 2018)
      The Chaco is one the most neglected and least studied regions of the world. This highly-seasonal semiarid biome is an extensive continuous plain without any geographic barrier, and in spite of its high species diversity, ...
    • When the cure kills—CBD limits biodiversity research : national laws fearing biopiracy squelch taxonomy studies 

      Divakaran Prathapan, Kaniyarikkal; Pethiyagoda, Rohan; Bawa Singh, Kamaljit; Raven, Peter H.; Rajan, Priyadarsanan Dharma (American Association for the Advancement of Science, 2018-06-29)
      The Convention on Biological Diversity (CBD) commits its 196 nation parties to conserve biological diversity, use its components sustainably, and share fairly and equitably the benefits from the utilization of genetic ...
    • Hyla prasina Burmeister, 1856 meets the requirements of Article 23.9.1 of the Code for a reversal of precedence over Hyla quoyi Bory de Saint-Vincent, 1828 (Anura, Hylidae) 

      Kolenc, Francisco; Baldo, Juan Diego (Magnolia Press, 2018-07-04)
      In a recent work, Ohler and Dubois (2018) discussed the correct application of Article 23.9 of the Code (Anonymous,1999; 2012) and illustrated it with some concrete cases in which the authors considered that the Article ...
    • Sistemática y Diversidad 

      Ferraro, Daiana Paola; Blotto Acuña, Boris Leonardo; Baldo, Juan Diego; Barrasso, Diego Andrés; Barrionuevo, Jose Sebastian; Basso, Nestor Guillermo; Cardozo, Dario Elbio; Cotichelli, Leonardo; Faivovich, Julián; Pereyra, Martín Oscar; Lavilla, Esteban Orlando (Asociación Herpetológica Argentina, 2018-08-19)
    • Population fluctuation of Culicoides insignis Lutz (Diptera: Ceratopogonidae) in Posadas, Misiones, Argentina 

      Ayala, Mahia Mariel; Le Gall, Valeria Lis; Martí, Dardo Andrea; Walantus, Leonardo Horacio; Spinelli, Gustavo Ricardo (Sociedad Entomológica Argentina, 2018-12-27)
      En Argentina, la distribución de la enfermedad del Virus de la Lengua Azul se encuentra restringida al noreste del país. En la región Neotropical el principal vector sería Culicoides insignis Lutz. El objetivo de este ...
    • Uncovering the evolutionary history of neo-XY sex chromosomes in the grasshopper Ronderosia bergii (Orthoptera, Melanoplinae) through satellite DNA analysis 

      Palacios-Gimenez, Octavio M.; Milani, Diogo; Lemos, Bernardo; Castillo, Elio Rodrigo Daniel; Martí, Dardo Andrea; Ramos, Érica; Martins, César; Cabral de Mello, Diogo Cavalcanti (BioMed Central, 2018-01-08)
      Background Neo-sex chromosome systems arose independently multiple times in evolution, presenting the remarkable characteristic of repetitive DNAs accumulation. Among grasshoppers, occurrence of neo-XY was repeatedly noticed ...
    • Seed‐dispersal networks are more specialized in the Neotropics than in the Afrotropics 

      Dugger, Phillip James; Blendinger, Pedro Gerardo; Böhning-Gaese, Katrin; Chama, Lackson; Correia, Marta; Dehling, D. Matthias; Emer, Carine; Farwig, Nina; Fricke, Evan C.; Galetti, Mauro; García, Daniel; Grass, Ingo; Heleno, Ruben; Jacomassa, Fábio André Facco; Moraes, Suelen; Moran, Catherine; Muñoz, Marcia Carolina; Neuschulz, Eike Lena; Nowak, Larissa; Piratelli, Augusto; Pizo, Marco Aurelio; Quitián, Marta; Rogers, Haldre S.; Ruggera, Román A.; Saavedra, Francisco; Sánchez, Mariano Sebastián; Sánchez, Rocío; Santillán, Vinicio; Schabo, Dana G.; Ribeiro da Silva, Fernanda; Timóteo, Sérgio; Traveset, Anna; Vollstädt, Maximilian GR; Schleuning, Matthias (Wiley-Blackwell Publishing, 2019-01-03)
      Aim: Biogeographical comparisons of interaction networks help to elucidate diffeences in ecological communities and ecosystem functioning at large scales. Neotropical ecosystems have higher diversity and a different ...