15 articles in this issue
Liliane Stedile de Matos, Daniela Rocha da Silva, João Otavio Santos Silva, Ricardo Lopes Tortorela Andrade, Lucélia Nobre Carvalho (Autor)
The Teles Pires River basin is located in an area of the Southern Amazon where discharge of tannery effluents and intense agricultural activity occurs. These activities increase the risk of contamination by runoff and leaching of pesticides and heavy meta... see more
Juliana Andrade Santiago, Maria das Graças Cardoso, Luís Roberto Batista, Evaristo Mauro de Castro, Maria Luisa Teixeira, Marinês Ferreira Pires (Autor)
The aim of this study was to evaluate the antibacterial and antioxidant activities of essential oil from Chenopodium ambrosioides L. and to determine its secretory structures. The essential oil was extracted through the hydrodistillation technique using a... see more
Luiz Rodrigo Ito Morioka, Geyci de Oliveira Colognesi, Hélio Hiroshi Suguimoto (Autor)
The permeabilization was used to transform microorganisms in cell biocatalysts with high enzymatic activity. The Saccharomyces fragilis IZ 275 yeast cells were permeabilized with ethanol, as permeabilizing agent. To optimize the permeabilization condition... see more
Marina Medeiros de Araújo Silva, Arquimedes Liberal Barboza de Oliveira, Ronaldo Alves Oliveira-Filho, Terezinha Camara, Lilia Willadino, Artur Gouveia-Neto (Autor)
The effects of different light quality treatments on in vitro growth and multiplication of sugarcane (RB867515) were investigated. The plantlets were cultivated on MS medium containing 1.3 µM 6-benzylaminopurine (BAP), and exposed to five light treatments... see more
Francieli Bortoluzzi Menegat, Cristiani Baldo, Maria Antonia Pedrine Colabone Celligoi, João Batista Buzato (Autor)
Asparaginase is an enzyme used in clinical treatments as a chemotherapeutic agent and in food technology to prevent acrylamide formation in fried and baked foods. Asparaginase is industrially produced by microorganisms, mainly gram-negative bacteria. Zymo... see more
Dayvid Rodrigues Couto, André Paviotti Fontana, Ludovic Jean Charles Kollmann, Vitor da Cunha Manhães, Talitha Mayumi Francisco, Gláucio de Mello Cunha (Autor)
In this study, we evaluated the floristic composition of vascular epiphytes in seasonal semideciduous forest fragments of the Itapemirim River basin, Southern State of Espírito Santo, in order to verify its similarity to other semideciduous forests ... see more
Otacilio Antunes Santana, Jose Imana Encinas (Autor)
The increase in Equus africanus asinus Linnaeus population in semiarid areas of Northeast Brazil had significant impacts on wild and rural areas. The objective of this work was to analyze the herbivory of E. africanus asinus on Poincianella pyramidalis (T... see more
Eulina Kelly Guilherme Lacerda, Edevaldo da Silva, Rosália Severo Medeiros (Autor)
The River Piancó in the municipality of Pombal on the western stretch of the state of Paraíba, Brazil, receives contaminated effluents. Current assay evaluates the microbiological quality of the river water and analyzes the social and environmental aspect... see more
Caio Henrique Ferreira, Lucélia Gonçalves Vieira, Sady Alexis Chavauty Valdes, Juliana dos Santos Mendonça, Evandro de Abreu Fernandes, André Luiz Quagliatto Santos (Autor)
Knowledge on chemical components of the post-hatching eggshell of reptiles may provide indicators of the quality of the diet offered to females kept in captivity. Therefore, the objective of this study was to investigate the chemical characteristics of th... see more
Catiane Dameda, Maicon Toldi, Fernanda Majolo, Noeli Juarez Ferla (Autor)
Phytoseiulus macropilis (Banks) (Phytoseiidae) is a natural enemy of Tetranychus urticae Koch (TSSM), a common pest in several cultures, especially in greenhouses. This research aimed to know the biological parameters of a strain of P. macropilis from Val... see more
Mariela Justiniano Simão, Daniele Vidal Faria, Elias Terra Werner, Taís Cristina Bastos Soares, Andreia Barcelos Passos Lima Gontijo (Autor)
Bromeliads are an important group for the maintenance of the Atlantic Forest, with many threatened species due to exacerbated extraction and destruction of their natural habitats. Considering the need of developing protocols for the conservation of these ... see more
Glenda Quaresma Ramos, Marta Duarte da Fonseca de Albuquerque, José Luiz Pinto Ferreira, Eduardo Adriano Cotta, Henrique Duarte da Fonseca Filho (Autor)
Leaves surfaces, which represent an interface with plants and the environment, have several structures with specific functions. Some foliar properties, including wettability and mechanical containment, are inferred in terms of cellular adaptation and the ... see more
Luiz Ricardo dos Santos Tozin, Liana Baptista De Lima Corrêa-Da-Costa, Edna Scremin-Dias (Autor)
Numerous plant species are easily established in the wide flood plains of the Pantanal wetlands due to the environmental heterogeneity. The aquatic macrophytes excel in permanently flooded areas, particularly Nymphaeaceae species. Victoria amazonica, popu... see more
Mariana Lessa Carneiro da Silva, Elisangela Reis Rangel, Fabio Amodêo Lansac-Tôha, Leilane Talita Fatoreto Schwind, Ciro Yoshio Joko (Autor)
The pictorial key contributes to taxonomic analysis, as it lists the species found in a given environment, and points out the morphological characteristics that differs one specific taxon from the others. Arcellidae Ehrenberg, 1830 is one of the testate a... see more
Thomaz Mansini Carrenho Fabrin, Luciano Seraphim Gasques, Sonia Maria Alves Pinto Prioli, Alberto José Prioli (Autor)
Vision not only plays an important role in the behavior and exploration capacity of new ecology niches but also influences the evolution of species exposed to the heterogeneity of light. Floodplain environments have high habitat heterogeneity and, thus, d... see more