15 articles in this issue
Nédia de Castilhos Ghisi, Elton Celton de Oliveira (Autor)
In 2014, Brazil produced 474.33 thousand tons of captive-bred fish. In addition, regulatory agencies of animal ethics and welfare have recently encouraged experiments to be done using simpler vertebrates, such as fish. The aim of this article was to... see more
Claudemir Martins Soares, Carmino Hayashi, Anna Christina Esper Faria-Soares, Eliana Maria Galdioli (Autor)
Effect of larvae of Astyanax altiparanae (AA), Piaractus mesopotamicus (PM), Leporinus obtusidens (LO) and Prochilodus lineatus (PL) on plankton communities and water quality were evaluated. Twenty 500 L tanks were used into a completely random... see more
Beatriz Eugenia Jaramillo-Colorado, Eduardo Luis Martínez-Cáceres, Edisson Duarte-Restrepo (Autor)
The essential oil from the fresh leaves of Kyllinga pumila (Michx) was obtained by hydrodistillation and characterized by gas chromatography-mass spectrometry (GC-MS). Twenty-eight volatile compounds were identified, major constituents of the oil were Met... see more
Luana Paula de Azevedo de Oliveira, Tiago Felipe Oliveira, Jonas Contiero, Márcia Luciana Cazetta (Autor)
The factorial planning was used to plan and optimize inulinase production by the yeast Kluyveromyces marxianus NRRL Y-7571. The experiments were conducted using a Central Composite Design (CCD) 22, at different concentrations of agave syrup (3.6 to 6.4%) ... see more
Moacyr Jesus Barreto de Melo Rêgo, Luiza Rayanna Amorim de Lima, Andrei Figueiredo Passo Longo, Gilson Alves Nascimento-Filho, Luiz Bezera de Carvalho Júnior, Eduardo Isidoro Carneiro Beltrão (Autor)
Immobilized lectins are a powerful biotechnological tool for separation and isolation of glycoconjugates. In the present study, polyvinyl alcohol (PVA) and glutaraldehyde (GA) were used as a support for Concanavalin A (Con A) covalent immobilization and f... see more
Ila Monize Sousa Sales, Jussara Damascena de Oliveira, Fabelina Karollyne Silva dos Santos, Lidiane de Lima Feitoza, João Marcelo de Castro e Sousa, Ana Paula Peron (Autor)
The goal of the present study was to evaluate the cytotoxicity and genotoxicity of artificial synthetic flavoring agents cookie and tutti-frutti. To this end, root meristem cells of Allium cepa L. were exposed to these substances in exposure times o... see more
Dyego Leonardo Ferraz Caetano, Rafael Rogério Rosa, Verônica Rodrigues de Moraes, Daniela Ribas Jané, Alexandre Fernandes Oliveira da Silva (Autor)
The objective of this study was to evaluate the influence of a dam on the ecological parameters of the fish assemblages of a stream of second order of the upper Paraná River basin, southern Brazil. Samplings of abiotic data and ichthyofauna occurred quart... see more
Gustavo Henrique Zaia Alves, Raffael Marcos Tófoli, Maria Julia Mileo Ganassin, Norma Segatti Hahn (Autor)
This study aimed to assess the diet of Poecilia reticulata in rural (RS) and urban stream (US) and under seasonal influence. We hypothesized that rainfall have a strong negative impact on the diet of the species in the US, due to its abrupt effect o... see more
Edevaldo Silva, Delyane Lima Soares, Habyhabanne Maia Olveira, Humarah Danielle Guedes Vieira (Autor)
The objective was to create, validate and apply a measurement scale on environmental practices for teachers of various educational areas (exact sciences, humanities, natural sciences and Portuguese), from six public high schools in the city of Patos... see more
Fabiano Rodrigo Maia, Patricia Sanae Sujii, Renato Goldenberg, Viviane Silva Pereira, Maria Imaculada Zucchi (Autor)
Tibouchina hatschbachii Wurdack (Melastomataceae) is an autogamous shrub restricted to granite (GO) and sandstone (SO) rock outcrops from subtropical Brazil. We designed primers for the amplification of microsatellite regions for T. hatschbachii, and char... see more
Juliano de Oliveira Barbirato, Juliana Melo Conceição, Dandara Silva Cabral, André Luiz Paier Barroso, Daniel Basílio Zandonadi, Leonardo Barros Dobbss (Autor)
Mangroves are classified as permanent preservation areas and regarded as natural nurseries. However, they have suffered several anthropogenic stresses, resulting in their decline. In the light of that, comes the importance of researching their environment... see more
Vanessa Pontara, Marcelo Leandro Bueno, Edna Scremin-Dias (Autor)
The aim of this study was to analyze the effect of flooding in Triplaris gardneriana Wedd, cultivated in drained soil (control) and in flooded condition. The experiment was developed in a greenhouse, using plants with 90 days after the emergency. The resp... see more
Eloisa de Souza Carvalho, José Antonio Pimenta, Edmilson Bianchini (Autor)
Different species of plants can act as environmental filters affecting the composition, structure and spatial distribution of seeds and seedlings of forest species. This study aimed to examine whether the presence of the fern stratum acts as a biotic envi... see more
Thaiz Rodrigues Teixeira, Marlúcia Souza Pádua, Ana Hortência Fonsêca Castro (Autor)
A study on the leaf anatomy of Cordiera sessilis (Rubiaceae), a native medicinal shrub from Brazilian Cerrado was carried out to identify features that may be useful in species recognition. Leaves were collected, fixed and processed by usual techniques, a... see more
Caio Graco Zeppelini, Isabela Jerônimo, Karlla Morganna da Costa Rego, Maria Paula de Aguiar Fracasso, Luiz Carlos Serramo Lopez (Autor)
Inventories are the basis of every work with biodiversity, with increased importance due to the current environmental crisis. Bats are one of the most diverse groups of mammals, with high ecologic versatility and are good bioindicators to monitor environm... see more