15 articles in this issue
José Ariévilo Gurgel Rodrigues, Hellíada Vasconcelos Chaves, Kátia de Souza Alves, Adriano Aguiar Filgueira, Mirna Marques Bezerra, Norma Maria Barros Benevides (Autor)
The green seaweed Caulerpa cupressoides var. lycopodium contains three SPs fractions (Cc-SP1, Cc-SP2 and Cc-SP3). Cc-SP1andCc-SP2 had anticoagulant (in vitro), pro- and antithrombotic, antinociceptive and/or anti-inflammatory (in vivo) effects. This study... see more
José Gerardo Carneiro, José Ariévilo Gurgel Rodrigues, Felipe Barros Teles, Antônio Belfort Dantas Cavalcante, Norma Maria Barros Benevides (Autor)
Seaweeds have various chemical components with beneficial effects for human use; however, their nutritional values in Brazilian species are not well known. This study aimed to evaluate the content of water, ash, protein, carbohydrate, and lipid in four se... see more
Luciana Carapunarla, Dirceu Baumgartner, Liliana Rodrigues (Autor)
This is a study with temporal approach on the community of periphytic algae in the upper Paraná riverfloodplain, inserted in the Long-Term Ecological Research/CNPq, site 6. We sought to evaluate the community structure of periphytic algae, analyze the inf... see more
Danielle Goeldner Pereira, Luzia Cleide Rodrigues, Fábio Amodêo Lansac-Tôha, Luiz Felipe Machado Velho (Autor)
The aim of the current study was to assess the variability in heterotrophic nanoflagellate abundance attributable to variables responsible for the influence of bottom-up and top-down control mechanisms in the plankton food web along a trophic gradient in ... see more
Lucilene Finoto Viana, Karina Keyla Tondato, Yzel Rondon Súarez, Sidnei Eduardo Lima-Junior (Autor)
In this study, it was examined the reproductive biology of Astyanax. altiparanae, in streams with different levels of environmental disturbance in the Ivinhema river basin (Mato Grosso do Sul State, Brazil). Samplings were conducted between July 2001 and ... see more
Gabriele Medeiros dos Santos, Maria Leonor Ribeiro Casimiro Lopes Assad, Marcos Ciccarini Hott, Marcelo Henrique Otenio (Autor)
Seasonal assessment of water quality was undertaken in an agricultural cattle-raising and trout-breeding region. Seventeen sites were sampled in ten municipalities close to the Papagaio and Ibitipoca State Parks in Minas Gerais, Brazil. Landsat 5 satellit... see more
Isabelle de Almeida Monaco, Yzel Rondon Súarez, Sidnei Eduardo Lima-Junior (Autor)
With the objective of evaluating the influence of the environmental integrity on feeding, condition factor and reproduction of Phalloceros harpagos, the species biology was analyzed in the Tarumã Stream micro-basin, Naviraí, Mato Grosso do Sul State (uppe... see more
Marcos Magalhaes de Souza, Epifânio Porfiro Pires, Abner Elpino-Campos, Júlio Neil Cassa Louzada (Autor)
The survival of social wasp species depends on the success in founding new nests. These species can use plant species with different specific characteristics for nesting, with nest architecture varying according to the habits of those plant species. The n... see more
Mateus Ferrareze, Marcos Gomes Nogueira, Luciana Sartori (Autor)
The aim of this work was to perform a comparative analysis of four lateral lagoons and of the main channel of the Rosana Reservoir (Paranapanema river), southeast Brazil. The fieldwork was conducted during dry and rainy periods of 2004 and 2005. The analy... see more
Cristina Maria Pinto de Paula, Vânia Helena Techio, Flavio Rodrigo Gandolfi Benites, Fausto de Souza Sobrinho (Autor)
Knowledge about the pollen viability is important to ensure success in controlled hybridizations and, consequently, support breeding programs. The aims of this study were to evaluate the pollen viability in progenies of artificially induced tetraploid acc... see more
Luciana Ribeiro Coutinho Oliveira, João Batista Barbosa, Meire Lelis Leal Martins, Marco Antonio Martins (Autor)
Nowadays, the isolation of new bacterial strains that produce enzymes with novel properties is a subject of great relevance to the scientific community. This study, in order to search for producers of new cellulase strains, investigated the avicelase prod... see more
Felipe Natali Almeida, Maynara Lucca Andrade, Gabriela Virginia Moreira, João Paulo Gabriel Camporez, Patricia Chimin, Carla Roberta de Oliveira Carvalho (Autor)
Dehydroespiandrosterone (DHEA) is associated with improvements in chronic degenerative diseases, including obesity, insulin resistance, and cardiovascular diseases. Nevertheless, it is observed an increase in its concentration in individuals with liver li... see more
Edison Sanfelice André, Rafael Bruno-Neto, José Marino-Neto, Angela Cristina do Valle, César Timo-Iaria (Autor)
Current investigation describes the behavioral and electrographic characteristics of spontaneous absence-like seizures identified in Wistar rats (referred to here as FMUSP-rats, after the Faculty of Medicine, University of São Paulo, São Paulo State, Braz... see more
Alexandre Rodrigues da Silva, Eduardo Dias Forneck, Sérgio Augusto de Loretto Bordignon, Cristina Vargas Cademartori (Autor)
Didelphis albiventris Lund, 1840 is one of the least known Brazilian marsupials with respect to its feeding habits. Since the white-eared opossum is omnivorous, it occupies several niches and may be found in urban areas as well as in forest fragments. Cur... see more
Maria Danielle Figueiredo Guimarães Hoshino, Marcos Tavares-Dias (Autor)
The present study provides the first investigation on the ecological aspects of the parasites M. lippincottianusfrom the Amazonian basin, as well as the parasite-host relationship. 76 out of the examined fish (98.7%) were parasitized by at least one speci... see more