16 articles in this issue
Carlos Antonio Beserra da Silva Júnior, Andréa Pontes Viana, Flávia Lucena Frédou, Thierry Frédou (Autor)
The Brazilian prawn fishery, as other bottom trawling fisheries, is considered quite efficient in catching the target species but with low selectivity and high rates of bycatch. The family Sciaenidae prevails among fish species caught. The study was condu... see more
Márcia Lombardo, Sumika Kiyota, Edna Tomiko Miyake Kato, Monica Beatriz Mathor, Terezinha de Jesus Andreoli Pinto, Telma Mary Kaneko (Autor)
Senna species have been widely used by American, African and Indian ethic groups mainly in the treatment of feebleness, constipation, liver disorders and skin infections. Senna occidentalis (L.) Link is a perennial shrub native to South America and indige... see more
Genilton da Silva Faheina Junior, Mariza Vieira da Fonseca Sabóia Amorim, Caroline Gondim de Souza, Diego Menezes de Sousa, Kally Alves de Sousa, Gustavo Adolfo Saavedra Pinto (Autor)
Studies on new microbial sources of cellulase and accurate assessment of the steps that increase cellulase production are essential strategies to reduce costs of various processes using such enzymes. This study aimed at the selection of cellulase-producin... see more
Patrícia Nirlane da Costa Souza, Natália da Costa Maia, Luís Henrique Souza Guimarães, Mário Lúcio Vilela de Resende, Patrícia Gomes Cardoso (Autor)
Tannase is an industrially important enzyme produced by a large number of microorganisms. This study analyzed the production of tannase by Aspergillus sp. GM4 under solid-state fermentation (SSF) using different vegetable leaves (mango, jamun and coffee) ... see more
Ricardo Basto Souza, Ismael Nilo Lino de Queiroz, Antônio Alves da Silva Neto, José Gerardo Carneiro, José Ariévilo Gurgel Rodrigues, Norma Maria Barros Benevides (Autor)
The global demand for natural products from seaweeds has increased worldwide; however, no description of the use of isoamly alcohol (IAA) for obtaining of sulfated polysaccharides (SPs) has been reported. We investigated the efficiency of two precipitatio... see more
Danielle Katharine Petsch, Flávio Henrique Ragonha, Bárbara Carolina Garcia Gimenez, Luís Gabriel Antão Barboza, Alice Michiyo Takeda (Autor)
We tested the hypothesis that the contribution of the nestedness component is higher in environments with more similar features (lentic or lotic), whereas the contribution of the turnover component is higher in environments with more dissimilar features (... see more
Marta Custodio Lopes, Geuza Cantanhede da Silva, Nicanor Tiago Bueno Antunes (Autor)
Insects are important environmental bioindicators, due to the species diversity and wide range of habitats occupied. The present study evaluated the temporal variation in composition and abundance of soil insects in an urban forest fragment in the municip... see more
Natalia Fernanda Santana, Thomaz Aurelio Pagioro, Maria do Carmo Roberto (Autor)
River-floodplain systems are known for their heterogeneity of habitats and the hydrological pulse, the main driving force, which increases nutrient concentrations at the onset of the flood due to leaching from the littoral region and decomposition. This d... see more
Roana Cecília dos Santos Ribeiro, Thaís Rafaelle dos Santos Ribeiro, Cristina Maria de Souza-Motta, Erika Valente Medeiros, Keila Aparecida Moreira (Autor)
The current study evaluated the proteases production from 11 fungal species belonging to the genera Mucor, Rhizomucor and Absidia. The species were obtained from the Collection of Cultures URM at the Mycology Department-UFPE, Brazil. The best producing sp... see more
Nadja Gomes Machado, Luciana Sanches, Aryadne Márcia Aquino, Ludymilla Barboza da Silva, Jonathan Willian Zangeski Novais, Marcelo Sacardi Biudes (Autor)
The Pantanal is the largest wetland in the world, characterized by high biodiversity, but large areas have been invaded by Vochysia divergens, a flood-adapted pioneer and native tree of the riparian forest and Brazilian Savanna. Seasonality in rainfall ca... see more
Elimar Alves de Lima, José Iranildo Miranda de Melo (Autor)
The biological spectrum and diaspores dispersal syndromes of the species recorded in a stretch of vegetation in a semi-arid region within the Cariri Environment Protection Area, Boa Vista, Paraíba State (northeast) Brazil, are described. Collections were ... see more
Gleuvânia Marques Santana, Josefa Janaína do Anjos Sousa, Ana Paula Peron (Autor)
This study aimed to evaluate the toxicity of Ponceau 4R food dye on the cell cycle in root meristematic cells of Allium cepa L. at three concentrations: 0.25, 0.50 and 0.75 g L-1, at exposure times of 24 and 48 hours. For each concentration, we used a set... see more
Jessica Santana de Oliveira, Alluanan Adelson do Nascimento Silva, Carolina Peixoto Magalhães, Sandra Lopes de Souza, Valdemiro Amaro da Silva Junior, Elizabeth Neves de Melo (Autor)
Current study investigates the effects of maternal protein restriction during pregnancy and lactation on the testis of immature rats. Female Wistar rats were mated and, after confirming pregnancy, they were divided into two groups: undernourished group (U... see more
Caroline da Silva Montes, Maria Auxiliadora Pantoja Ferreira, Simone do Socorro Damasceno dos Santos, Rossineide Martins Rocha (Autor)
In this study, histological, ultrastructural, and immunohistochemical observations of the gill tissue of two fish species (Plagioscion squamosissimus and Lithodoras dorsalis) were used as biomarkers to assess the ecological conditions of an estuary in the... see more
Lucas Kazunori Rubira Babata, Ananda Malta, Vilma Aparecida Ferreira de Godoi, Maria Montserrat Diaz Pedrosa (Autor)
In food restriction, hypoglycemic episodes can be more severe and persistent. This study assessed the influence of acute exercise and caffeine on the insulin-induced hypoglycemia in freely-fed or malnourished (50% food restriction) young rats. At the age ... see more
Acta Scientiarum. Biological Sciences (Autor)
The Editorial Board of Acta Scientiarum. Biological Sciences would like to thank the referees listed below for their critical appreciation of articles submitted for Volume 37, n. 1 (2015).