60 articles in this issue
José Ariévilo Gurgel Rodrigues, Priscila Gomes Barcellos, Bianca Fernandes Glauser, Ana Luíza Gomes Quinderé, Norma Maria Barros Benevides, Ana Maria Freire Tovar, Paulo Antônio de Souza Mourão (Autor)
The biotechnological value of macroalgae for screening assays of thrombin generation-TG using sulfated polysaccharides-SPs as substitutes to heparin has been poorly explored. Five Brazilian species of macroalgae (Gracilaria birdiae, Acanthophora muscoides... see more
José Rafael Silva Araújo, Maria Wlly da Silva Costa, Wallace Baldez Oliveira, Reginaldo Roris Cavalcante, Pedro Marcos Almeida, Francielle Alline Martins (Autor)
The present study aimed to evaluate the larvicidal effect of aqueous leaf extract from Jatropha mollissima on the larvae of Aedes aegypti and analyze its cytotoxic and genotoxic activity in the Allium cepa test. Larvae of the mosquito were exposed t... see more
Daiana Mendes Ayala, Maria Alice Leite Lima, Marília Hauser, Carolina Rodrigues da Costa Doria (Autor)
The jatuarana (Brycon amazonicus), is an important species for the Madeira River commercial fisheries. The paper aims to characterize the jatuarana fishing dynamics in the middle Madeira River and test whether there are differences dowstreams and up... see more
Saghir Ahmad, Muhammad Iqbal, Taj Muhammad, Abid Mehmood, Shakeel Ahmad, Mirza Hasanuzzaman (Autor)
Due to high temperatures in arid regions, cotton crop emergence and early establishment of seedlings are adversely affected. Field studies were undertaken to quantify the effects of transplantation of cotton (Gossypium hirsutum L.) seedlings during the ea... see more
Priscila Gomes Barcellos, José Ariévilo Gurgel Rodrigues, Ismael Nilo Lino de Queiroz, Ianna Wivianne Fernandes de Araújo, Norma Maria Barros Benevides, Paulo Antônio de Souza Mourão (Autor)
Ulva lactuca (Chlorophyceae) has biotechnologically-important sulfated-polysaccharides (Ul-SPs), but their potentials on thrombin generation (TG) are unknown. This study analyzed the structural and physical-chemical features of the Ul-SPs as modulat... see more
Pegah Sayyad-Amin, Gholamhossein Davarynejad, Bahram Abedy (Autor)
Among the main problems of some temperate fruit species, such as the apple tree (Malus domestica), are the poor set of fruits and low production. Polyamines and Self-Incompatibility Control Substances (SICS), involving mineral nutrients such a... see more
Aquélis Armiliato Emer, Mara Cíntia Winhelmann, Marília Tedesco, Claudimar Sidnei Fior, Gilmar Schafer (Autor)
Campomanesia aurea is a potentially ornamental native fruit shrub. There are no studies on the seed germination capacity and fruit properties of the species. Therefore, the main goal of this paper was to describe the seed germination and the physica... see more
Tiago Mateus Andrade Vidigal, Elaine Eloiza Cortellini Landivar (Autor)
Consuming raw food like lettuce may carry protozoa cysts and helminth eggs, causing parasitic infections. Therefore, the parasitological analysis of this type of food it’s important for public health because it provides data on the hygiene conditions in w... see more
Renata Bartolette, Daniela Cristina Oliveira Rosa, Bruno Eleres Soares, Danielle Antunes Beserra, Miriam Pilz Albrecht, Marcelo Fulgêncio Guedes Brito (Autor)
We described the feeding habits of Colomesus asellus from riverbanks of the upper-middle Tocantins River, Central Brazil. Two sampling expeditions were carried out in August (dry season) and in October (rainy season) of 2013, downstream from the Laj... see more
Welington Kiffer de Freitas, Adriano Portz, Afonso Aurélio de Carvalho Peres, Ricardo Martinez Tarré, Matheus de Melo Campos (Autor)
This study aimed to evaluate soil fertility and the horizontal structure of three demonstration units of Agroforestry Systems (ASs), Sapucaia, RJ, Brazil. Twenty-four plots (25 m2) were delineated in each AS. Soil fertility was evaluated through pH,... see more
Ferdyanne Beatriz Sabóia Peixoto, Jean Charles da Cunha Peixoto, Diana Cibelli Lucas Motta, Ana Teresa Miranda Peixoto, José Odair Pereira, Spartaco Astolfi-Filho (Autor)
Petroleum degrading microorganisms have been isolated from different environments with the purpose of being used in bioremediation processes in areas impacted by petroleum spills. The objective of this study was to evaluate the ability of Bacillus toyonen... see more
Greta Aline Dettke, Laianne Mayara Pezenti Crespão, Luciana Veríssimo Siquerolo, Edemilson Luiz Siqueira, Marcelo Galeazzi Caxambú (Autor)
This study catalogued the vascular species found in the second largest continuous remnant of Seasonal Semideciduous Forest in the State of Paraná. A total of 425 species distributed among 295 genera and 101 families were identified. The most represe... see more
Luciedi de Cassia Leoncio Tostes, Marcelo de Jesus Veiga Carim, José Francisco de Carvalho Gonçalves, Admilson Moreira Torres, José Renan da Silva Guimarães (Autor)
The present work aims to determine the spatial distribution pattern of Protium Burm. f and the diametric structure of these species in a dense tropical submontane rainforest along the Sustainable Development Reserve (SDR) of the Iratapuru river. The... see more
Larissa Sbeghen Pelegrini, Felipe Freitas Januário, Rodney Kozlowisky de Azevedo, Vanessa Doro Abdallah (Autor)
The parasitic biodiversity of the Loricaria prolixa, an endemic fish from the Paraná and Prata basins was studied and analyzed the parasitic’s communities dynamics and their ecological relations with this host. Samples were collected in the Ba... see more
Emily Soares Pereira, Juliana Rosa Carrijo Mauad, Ricardo Massato Takemoto, Sidnei Eduardo Lima-Júnior (Autor)
This study aimed to describe the diversity of fish parasites in the Amambai River, in the Mato Grosso do Sul State, and generate information to facilitate studies of the biotic integrity of the region. During the period of September 2015 and July 2015, 48... see more
Claudio Nona Morado, Thiago Estevan Parente Martins, Francisco Gerson Araujo, Francisco José Roma Paumgarten, Iracema David Gomes (Autor)
The Paraíba do Sul River (PSR) drainage basin in Southeastern Brazil covers one of the most industrialized and densely populated regions of the country. The impact of chemical contamination on the PSR basin seems to be more pronounced in its middle reach ... see more
Marcela Mona Sá Santos, Filipe Miguel Pereira da Silva, Juliana Fonseca Moreira da Silva, Raphael Sanzio Pimenta (Autor)
This study aimed to characterize the phytochemical compositions of three medicinal Brazilian plants’ leaves and bast extracts, and to determine their antibacterial activity on three foodborne and waterborne bacterial pathogens. Parkia platycephala, Pouter... see more
Fabiana Ribeiro Viana, Luiz Simeão do Carmo, Esther Margarida Alves Ferreira Bastos (Autor)
The biological activity of honey has been the subject of great scientific investigation. Bee products are widely used in folk medicine to treat human diseases due to their antibacterial and inhibitory potential action on different human pathogens. Ten hon... see more
Lucas Pessanha Mousinho, Mariana Lessa Carneiro da Silva, Rodrigo Leite Arrieira, Leilane Talita Fatoreto Schwind (Autor)
We aimed to perform the first survey of testate amoebae community composition in Lake Monte Alegre at São Paulo state, and contribute to mitigate the taxonomic impediment regarding the diversity of testate amoebae in Brazil. Samplings were performed in 20... see more
Patrícia Lopes Leal, Silvana Pinheiro Dadalto, Rita de Cássia Rocha Fernandes, Maria Eliana Lopes Ribeiro Queiroz, Marcos Rogério Tótola (Autor)
The effect of successive soil contamination with diesel oil was evaluated on population dynamics of a bacterial consortium (Acinetobacter baumannii LBBMA 04, Pseudomonas aeruginosa LBBMA 58, Ochrobactrum anthropi LBBMA 88b, Acinetobacter baumannii LBBMAES... see more
Renan Augusto Miranda Matias, Fábio Venturoli, Rosana de Carvalho Cristo Martins, Fernanda Piccolo Pieruzzi, Alexandre Leandro Santos de Abreu, Mirella Basileu de Oliveira Lima (Autor)
The ecological restoration of Cerrado ecosystems involves challenges pertinent to the fertilization of the substrate for seedlings in nursery, which are often produced by a single type of substrate. However, habitat heterogeneity suggests that the s... see more
Daniela de Carvalho Melo, Alvino Pedrosa Ferreira, Alan Loures Ribeiro (Autor)
The Atlantic Forest in the State of Paraíba integrates the Pernambuco Center of Endemism. The present work investigated understory bird communities of three of its remnants using ten mist nets installed at eight different points of the forest understory o... see more
Nelson Potenciano Marinho, Graciela Ines Bolzon de Muñiz, Silvana Nisgoski, Ivan Venson, Pedro Henrique Gonzales de Cademartori, Alan Sulato de Andrade (Autor)
Analyzes of samples of stem and fiber Boehmeria nivea var. Murakami were performed to increase information on the plant and disseminate its multiple possibilities of use. The histochemical analyzes with dyes and reagents showed the presence of ligni... see more
Priscila Fernanda Simioni, Marcos José Gomes Pessoa, Maialu Antunes Cardoso, Fabiana Ferreira Cabral, Soraia Oliveira Teixeira, Ivone Viera da Silva (Autor)
Savannas of the Amazon Region of Mato Grosso State have an unique ecological identity due to the complexity of the Cerrado-Amazon transition region, their geographical isolation and the physical-chemical properties of the soil. This study aime... see more
João Henrique Delfrate Padilha, Alaíde Ziemmer Ribeiro, Érika Amano, Douglas Steinmacher, Marguerite Quoirin (Autor)
In vitro cultures of peach palm (Bactris gasipaes Kunth) were established by somatic embryogenesis but some improvements in maturation and conversion steps are still needed. The aim of this study was to analyze morpho-anatomical differences in peach... see more
Thiago Scremin Boscolo Pereira, Wilson Henrique Faria Júnior (Autor)
Descriptive anatomical studies of wild animals are fundamental, since they provide subsidies for the elaboration of more adequate techniques of sustained management, contributing to the preservation of species threatened with extinction. Thus, the a... see more
Carla Denise Tedesco, Douglas Machado da Silva, Noeli Zanella (Autor)
Anthropic effects on natural environments caused by urban expansion or agriculture have been identified as one of the causes for the decline in species richness. In southern Brazil, the urbanization process affects the local fauna and reduces the diversit... see more
Mauricio Avelar Takahashi, Alberto Kioharu Nishida (Autor)
The Mamanguape estuary, located in the Paraíba State (Brazil), hosts many traditional fishing communities and Amerindian villages whose use of the regional natural resources is fundamental to their cultural and physical survival. The aim was to regi... see more
Débora Dayane Araújo de Moura, Cleidiane Josefa dos Santos Veloso, Valtânia Ana de Oliveira, Maria Eduarda Sousa e Silva, Ana Paula Peron (Autor)
The aim of this study was to evaluate the cytotoxic and genotoxic potential of goji berry fruit-based pharmaceutical powders obtained from three pharmaceutical laboratories. The product A was tested at concentrations of 0.012; 0.025 and 0.05 g mL-1,... see more
Juan Fernando Velez-Garcia, Juan Carlos Ramirez-Arias, Jorge Eduardo Duque-Parra (Autor)
The crab-eating fox (Cerdocyon thous) is a wild canid with a wide distribution in South America that is susceptible to traumas due to road kills - an event in which some specimens can survive. Therefore, anatomical studies in their thoracic limbs ma... see more
Daniela De Conti, Jenny Paola Corredor-Prado, Djalma Roecker Junior, Rogério Mamoru Suzuki, Miguel Pedro Guerra, Rosete Pescador (Autor)
Tissue culture techniques have been employed for orchid mass propagation by means of the morphogenetic route of protocorm like-bodies (PLBs). This study aimed to analyze and compare Indole-acetic acid (IAA) and sugar endogenous levels in protocorm-l... see more
Kelly Dutra Pacheco, Alessandro Del'Duca, Marina Loures Borges, Rafhaela Tostes Fernandes, Dionéia Evangelista Cesar, Ana Carolina Morais Apolônio (Autor)
Techniques to decrease losses from bacterial diseases are always important to improve the fish production. The use of antagonistic substances (bacteriocins) has been proven to be a viable option. The aim of this study was to evaluate different metho... see more
Silvia Patrícia Carraschi, Nathália Garlich, Andressa Souza-Pollo, Daniela Isabel Brayer Pereira, Claudinei da Cruz, Maria José Tavares Ranzani-Paiva (Autor)
Successful disease treatment depends on molecular studies under indoor conditions with experimental infection protocols that facilitate understanding the disease and the drug`s efficacy. The internal transcribed spacer (ITS) region was sequenced fro... see more
Ana Carolina Oliveira Duarte, Cynthia de Oliveira, Sílvio Júnio Ramos, Evaristo Mauro de Castro, José Oswaldo Siqueira, Luiz Roberto Guimarães Guilherme (Autor)
Rare earth elements, such as lanthanum (La), have been applied to agriculture via fertilizers, aiming to increase the productivity and crop quality, such results observed mainly in China. However, the knowledge about the effect of La on maize growth, as w... see more
Josiane Medeiros de Mello, Antonio Marcos Orsi, Célia Regina de Godoy Gomes, Caio Sérgio Galina Spilla, José Américo de Oliveira, Carolina Correia Bilotti (Autor)
The objective was to describe the structure of the renal artery in capuchin monkey at the level of the proximal and distal arterial segments. Morphometric analysis was performed referring to the thickness and quantification of tissue elements ... see more
Caroline Barbeiro, Taysi Pereira Firmino, André Henrique Oler de Novais, Mariza Barion Romagnolo, Lindamir Hernandez Pastorini (Autor)
Albizia niopoides (Bentham) Burkart, known as farinha seca, is an arboreal, deciduous and pioneer plant that can be found in the semi-deciduous forest in the Paraná basin. The study on the germination and growth of the plant is fundamental for bette... see more
Janaína Mauri, Gabrielle Avelar Silva, Daniele Laís Pereira, Vânia Helena Techio, Lisete Chamma Davide, Fausto Souza Sobrinho, Fabrício José Pereira (Autor)
Changes in leaf anatomy were evaluated in genotypes of Brachiaria brizantha, Brachiaria decumbens, Brachiaria ruziziensis and three Brachiaria ruziziensis clones through tissue proportion in internerval and midrib regions at three regrowth ages. Pla... see more
Gustavo Graciano Fonseca, Alisson Alves da Silva (Autor)
The ability of microalgae to grow heterotrophically lies in the ability to oxidize organic compounds present in the external environment. The aim of this work was to evaluate the growth of Chlorella vulgaris under heterotrophic culture conditi... see more
Cléber Rodrigo de Souza, Polyanne Aparecida Coelho, Henrique Faria de Oliveira, Jean Daniel Morel, Felipe de Carvalho Araújo, Maria Teresa Rodrigues Costa, Alisson Borges Miranda Santos, Gislene de Carvalho Castro, Rubens Manoel dos Santos (Autor)
Our objective was to evaluate the floristic and structural relationships between Canga tree communities and other vegetation types inserted in the physiognomic units set, in order to test the hypothesis that these communities have unique characteristics d... see more
Noelly Almeida dos Anjos, Suzy Darley de Lima, Ana Vitória de Paula Rothebarth, Zoraidy Marques de Lima, Danila Soares Caixeta, Eduardo Beraldo de Morais (Autor)
Biodiesel is a clean renewable fuel used as alternative energy source to diesel and it is commercialized as a minor component in diesel blends. Similarly to diesel, biodiesel spill is a source of contamination for the ecosystem making necessar... see more
Mikaelle de Souza Neves, Luis André Luz Barbas, Márcia Valeria Silva do Couto, Josiane Nazaré Silva Lopes, Marcos Tavares-Dias, Rodrigo Yudi Fujimoto (Autor)
The aim of this study was to characterize the haematological profile of four Amazonian ornamental freshwater armoured catfish: acari-bola (Peckoltia oligospila - L06), acari-pleco (Cochliodon sp. - L145), acari-canoa (Lasiancistrus saetiger - L323) and ac... see more
Nayara Magry Jesus Melo, Rayete Sary-Eldin Gil Rosa, Eduardo Gusmão Pereira, João Paulo Souza (Autor)
Enterolobium contortisiliquum is a neotropical widespread species that occurs in native Atlantic Forest, Cerrado and Caatinga vegetation in Brazil. Outside Brazil, it occurs in Argentina, Bolivia, Paraguay, and Uruguay. The objective of this study w... see more
Eduardo Hideo Gilglioni, Lilian Brites Campos-Shimada, Elismari Rizato Martins Maciel, Emy Luiza Ishii-Iwamoto, Clairce Luzia Salgueiro-Pagadigorria (Autor)
The liver is an essential organ for body energy homeostasis, controlling the biosynthesis, uptake and the disposal of carbohydrates and lipids. The hepatic steatosis is a common condition frequently associated with metabolic diseases and is characte... see more
Luis Paulo Pires, Vanessa Fonseca Gonçalves, Giancarlo Ângelo Ferreira, Flávio Roque Bernardes Camelo, Celine de Melo (Autor)
Fruit colour is considered an important feature mediating interactions between plants and frugivorous birds. Despite that, colour mediated interactions are context-dependent, and habitat disturbances may affect how frugivorous birds perceive fruit colours... see more
Giselle Cristina Silva, Raquel Cavalcante Soares, Fátima Cristiane Teles Carvalho, Rafael dos Santos Rocha, Regine Helena Silva dos Fernandes Vieira, Oscarina Viana de Sousa (Autor)
Some infections caused by pathogenic microorganisms might shows high prevalence in farmed shrimp environments, compromising production and causing economic losses. Therefore, the search for compounds with antibiotic activity has become intensive, followin... see more
Ana Flávia Pavei, Hugo Pacheco de Freitas Fraga, Leila do Nascimento Vieira, Miguel Pedro Guerra (Autor)
The present study intended to investigate the effects of different glutathione (GSH) levels (0, 0.1, 0.5 and 1 mM) on the somatic embryogenesis (SE) induction of Acca sellowiana. Besides, we evaluated the effect of different carbon sources (sucrose ... see more
Lizandra Fernandes Miazaki, Ana Paula Freitas dos Santos, Dalilla da Silva Salvati, Sabrina Morilhas Simões, Rogério Caetano da Costa (Autor)
Litopenaeus schmitti is one of the most commercially exploited penaeids on the southeastern and southern Atlantic coast of Brazil. Information about juvenile recruitment and growth patterns of individuals is important for management programs. The pr... see more
André Luiz Radünz, Lucas Celestino Scheunemann, Daiane Pinheiro kröning, Flavio Gilberto Herter, Francisco Wilson Reichert Junior, Marjana Radunz, Vanessa Neumann Silva (Autor)
The objective of this work was to characterize the blueberry (Vaccinium spp.) cultivar Climax, Rabbiteye group (Vaccinium ashei Reade). In order to achieve that, a survey with blueberry plants (cultivar Climax), in full production, was conduct... see more
William Felix Borges, Marcos Sidney Brito de Oliveira, Gracienhe Gomes Santos, Marcos Tavares-Dias (Autor)
The aim of this study was to investigate the parasites fauna of Ancistrus leucostictus, Hypostomus ventromaculatus, Ancistrus sp. and Hemiancistrus sp. from the Igarapé Fortaleza River (Amapá State, Brazil), besides making a checklist of the parasite spec... see more
Merieli Melo-Silva, Felipe Rafael Oliveira, Jonathan Rosa, Emanuelli Gemelli, Lilian Santos, Ana Carolina de Deus Bueno-Krawczyk (Autor)
Most changes in water bodies are result of human activities that have the potential to undermine the environmental integrity of aquatic ecosystems. Changes in genetic material can be evidenced by the frequency of nuclear abnormalities in fish blood cells,... see more
Rosane Vera Marques, Marta Elena Fabián (Autor)
Medium and large mammals (> 1 kg) were studied using camera traps with active sensors in a Conservation Unit located in an area of Mixed Rain Forest or Araucaria Forest (Atlantic Forest at altitude) in the South of Brazil, as a method for investi... see more
Nayara Parisoto Boiago, Andréa Maria Teixeira Fortes, Daiane Maria Pilatti, Paulo Sérgio Siberti da Silva (Autor)
This study aimed to analyse the allelopathic bioactivity of fresh and infused aqueous extracts of Brazilian cherry leaves on the germination of lettuce and the initial development of maize. Brazilian cherry leaves were used to prepare a fresh aqueou... see more
Ana Paula Teixeira, Paulo Fernandes Roges Souza Silva, João Paulo Francisco de Souza, Natália Lopes Alves, Ariane Guimarães, Fernanda Melo Carneiro (Autor)
We performed a scientometry to validate trends in the scientific production on phytotelmata and the importance of these microenvironments in the maintenance of biodiversity. We searched for articles in the Web of Science and looked at publications from 19... see more
Germán Augusto Murrieta Morey (Autor)
Corydoras splendens (Castelnau, 1855) and Brochis multiradiatus (Orcés V., 1960) are highly demanded for exporters in the Peruvian Amazon and importers all over the world. The exportation of this fish species may represent a gateway for endoparasite... see more
Robert de Oliveira Gusmão, Fábia Giovana do Val de Assis, Alisson Rodrigues da Cruz, Lucas Santos Solidade, Lício Fábio Almeida Andrade Ferreira, Patrícia Lopes Leal (Autor)
The conversion of agroindustrial residues by microorganisms has been explored from fermentative processes to obtain several bioactive molecules. The objective of this work was to isolate and select filamentous fungi present in cassava liquid waste f... see more
Adriane Feijó Evangelista, Erica Akemi Kavati, José Vitor Jankevicius, Rafael Andrade Menolli (Autor)
Glycoalkaloids are important secondary metabolites accumulated by plants as protection against pathogens. One of them, a-tomatine, is found in high concentrations in green tomato fruits, while in the ripe fruits, its aglycone form, tomatidine, does ... see more
Aditya Marianti, Fransisca Widhi Mahatmanti (Autor)
This article discusses the research results on the synergetic effect of chitosan and vitamin C in overcoming free radical effect due to blood lead (Pb2+) accumulation. Blood lead level and enzymatic activities of superoxide dismutase (SOD), catalase oxida... see more
João Paulo Pereira Paes, Victor Luiz Souza Lima, Dirceu Pratisolli, José Romário de Carvalho, Regiane Cristina Oliveira de Freitas Bueno (Autor)
The European pepper moth Duponchelia fovealis (Zeller, 1847) (Lepidoptera: Crambidae), despite being among the principal pests of strawberries in Brazil. However, biological control methods are rarely documented for this pest. In the current study, ... see more
Lucena Rocha Virgilio, Werther Pereira Ramalho, João Carlos Barbosa da Silva Silva, Monik da Silveira Suçuarana, Cleyton Holanda de Brito, Lisandro Juno Soares Vieira (Autor)
The degradation of riparian vegetation in low-order streams can cause irreversible environmental damage, biodiversity loss and alter the structure of communities. In this context, the present study evaluated how the level of degradation of riparian ... see more
Maria Regina Torres Boeger, Daiane Maria Pilatti, Carolina Sereneski de Lima, Allan Mauricio Sanches Baptista de Alvarenga, Suelen Cristina Alves da Silva Pereto (Autor)
Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria fo... see more