60 articles in this issue
Milene Conceição Lima, Cristiane Jovelina da-Silva, Marcio Paim Mariot, Rogério Antônio Freitag, Rosana Serpa, Gladis Aver Ribeiro, Luciano do Amarante (Autor)
The Achillea millefolium L. is a perennial herb with important antibacterial, antifungal, anti-inflammatory, antitumoral, and antioxidant properties. This research aimed to investigate the effect of shading (75%; black net) and nitrogen fertilization (0, ... see more
Eduardo Cesario Araújo Martínez, Vanair Carlos Paz, Rodrigo Diana Navarro (Autor)
The eclectus parrot (Eclectus roratus) is a species of parrot native to the Solomon Islands, Sumba, New Guinea and nearby islands, northeastern Australia, and the Moluccan Islands. The wide range of behaviors emphasizes the existence of knowledge of only ... see more
Raquel Ribeiro, Diogenes Henrique de Siqueira-Silva (Autor)
Albinism is a genetic condition that results in total hypopigmentation of the eyes, fur, skin, hair, scales, and feathers of an organism. Albinism might result in a selective disadvantage for affected animals. Cases of albinism have been previously record... see more
Jeremiah David Bala, Faruk Kuta, Adabara Nasiru, Abdulameen Saheed Adedeji, Adel Ali Saeed Al-Gheethi, Opeyemi Habeeb Fashola (Autor)
Metals are non-biodegradable and recurrent in the environs. Heavy metals tolerant fungi were isolated from refuse dumpsite soil using pour plate method. These fungi were identified as Aspergillus niger, Penicillium chrysogenum and Rhizomucor sp. The funga... see more
Geysa Janne Sousa Silva, Fabelina Karollyne Silva dos Santos, Márcia Maria Mendes Marques, Ana Paula Peron (Autor)
This study aimed to evaluate the cytotoxicity and genotoxicity and determine the LC50 concentration of powdered infant formulas widely marketed in South American countries. To this, milk samples, called as A, B, C and D, were analyzed in root meristem cel... see more
José Romário de Carvalho, Luis Moreira de Araujo Junior, Dirceu Pratissoli, Débora Fragoso, Amanda Túler (Autor)
The tomato is a crop of great importance for Brazilian agriculture. Among the most damaging pests, the small tomato borer, Neoleucinodes elegantalis Guenée (Lepidoptera: Crambiadae) has caused great losses, since they directly reach the fruits to be comme... see more
Henrique Venâncio, Renata Alexandre Bianchi, Thaís Oliveira Santos Lobato, Marcus Vinícius Sampaio, Jean Carlos Santos (Autor)
The establishment of invasive plants negatively affects natural environments. Invasive herbivores that attack weeds can be used as a form of biological control, but natural enemies of herbivores must be associated with this interaction to prevent the inva... see more
Pedro Alexandre Valentim-Neto, Tereza Cristina Vasconcelos Gesteira (Autor)
The crab Ucides cordatus is an important feature of mangroves in the North and Northeast of Brazil. In 2002 a large mortality was reported on this species in the Jaguaribe River Estuary. In order to investigate the possible causes specimens were collected... see more
Ojo Michael Oseni, Tapan Kumar Nailwal, Veena Pande (Autor)
The in vitro seed germination which results in the production of disease-free seedlings and greenhouse germination of the seeds of Mansonia altissima was investigated in order to establish a better way of germination of the timber species. Five levels of ... see more
Norma Soledad Erazo Sandoval, Magdy Mileni Echeverría Guadalupe, Jorge Leonardo Jave Nakayo, Héctor Antonio León Reyes, Víctor Alberto Lindao Córdova, Juan Carlos Manzano Ocaña, Nanci Margarita Inca Chunata (Autor)
Two isolations of fungi from a bank of microorganisms in the Biological Sciences Laboratory at Escuela Superior Politécnica de Chimborazo were tested on the galling caused by Meloidogyne incognita in tomato seedlings grown in pots with substrate infested ... see more
Bruno Wolffenbüttel Carloto, Otávio dos Santos Escobar, Vinicius Severo Trivisiol, Mariane Peripolli, Maicon Pivetta, Taiana Posser, Eduarda Preto Mena Barreto, Sylvio Henrique Bidel Dornelles (Autor)
The development of Eragrostis plana and Eragrostis pilosa was evaluated in a greenhouse when submitted to different soil moisture conditions. The design was completely randomized, consisting of a factorial 2x3, with the following factors: Eragrostis acces... see more
Ana Maria Sampaio Assreuy, Beatriz Lima Adjafre, Évilla Rayanne Oliveira Sousa, Ana Paula Negreiros Nunes Alves, Alana de Freitas Pires, Yves Quinet, Mário Rogério Lima Mota (Autor)
Arthropod venoms are potential sources of bioactive substances, providing tools for the validation of popular use and new drugs design. Ants belonging to the genus Dinoponera are used in the folk medicine to treat inflammatory conditions. It was previousl... see more
Francisco das Chagas Vieira Santos, Wedson Medeiros Silva Souto, Arthur Serejo Neves Ribeiro, Reinaldo Farias Paiva de Lucena, Anderson Guzzi (Autor)
Local inhabitants retain a vast knowledge about the bird richness surrounding them, as well as many of their ethological and ecological aspects, and can identify the importance of those birds to the maintenance of ecosystem integrity. The present study so... see more
Teodora Atanasova Staykova, Panomir Ivanov Tzenov, Yolanda Bogdanova Vasileva, Sibel Djevdet Aziz, Evgenya Neshova Ivanova, Ivan Iordanov Stoyanov, Penka Lazarova Vasileva, Teodora Petrova Popova (Autor)
The aim of the present study was to assess genetics variations within and among strains with different geographical origin, belonging to Bulgarian germplasm bank of mulberry silkworm (Bombyx mori L.) and to establish their relationships using isoenzyme ma... see more
Oniel Jeremias Aguirre Gil, Leandro Aparecido de Souza, Marina Funichello, Antonio Carlos Busoli (Autor)
The natural parasitic behavior of parasitoids should be known by those in charge of planning strategies for the biological control of pests; therefore, the aim of the present study was to determine the larval instar of Anticarsia gemmatalis Hübner p... see more
João Arthur dos Santos Oliveira, Andressa Domingos Polli, Julio Cesar Polonio, Ravely Casarotti Orlandelli, Hélio Conte, João Lúcio Azevedo, João Alencar Pamphile (Autor)
Endophytic microorganisms live inside the plants without causing any damage to their hosts. In the agricultural field, these endophytes might be a strategy of biological control for phytopathogens. We aimed to isolate endophytic fungi from yellow passion ... see more
Thallita Oliveira Grande, Raony Macedo Alencar, Paulo Pinheiro Ribeiro, Fabiano Rodrigues Melo (Autor)
Human activities result in the formation of a mosaic of forest patches within a non-habitat matrix. The response of the local biodiversity to changes in land-use may occur at different scales. It is important to evaluate the effects of the attributes of b... see more
Natielle Gomes Cordeiro, Kelly Marianne Guimarães Pereira, Marcela de Castro Nunes Santos Terra, José Márcio de Mello (Autor)
The Cerrado has a wide diversity of fauna and flora, and the knowledge of its horizontal structure, in different time intervals allows the prediction of its structural and floristic characteristics. The aim of this study was to evaluate the changes in str... see more
Andrea Fernández Garzón, Laura Patricia Perdomo Rivas, Lizeth Manuela Avellaneda Torres (Autor)
The effect of management (ecological and conventional) on functional groups of microorganisms of soil in agroecosystems with different resilience scores reported to climate variability in Anolaima, Colombia was evaluated. Were found clustering associated ... see more
Carina da Silva Rodrigues, Debora Cristina Ferasso, Altemir José Mossi, Geraldo Ceni Coelho (Autor)
Meliponinae eusocial bees are among the most important pollinators in the Neotropics and their beekeeping has been growing as both recreational and economic activity. Information on the pollen preferences and niche overlap among species coexisting in the ... see more
Aloysio Souza de Moura, Felipe Santana Machado, Ravi Fernandes Mariano, Cleber Rodrigo de Souza, Marco Aurélio Leite Fontes (Autor)
Studies about the birds of rupestrian fields in the south of Minas Gerais State in Southeastern Brazil are incomplete, although this region is ornithologically well studied. This bird community has closely associated ecology with fields and the most endan... see more
Valdeir Pereira Lima, Daniéla Cristina Calado (Autor)
Host plant species have very specific interconnection with galling species. Here, we estimate the potential distribution of the host plant species Andira humilis Mart. ex Benth. (Fabaceae) to consequently locate the potential distribution ranges of its ga... see more
Paula Nakayama, Alberto Carvalho Peret, Olímpio Rafael Cardoso, Marcelo Renato Lamour, Henry Louis Spach (Autor)
Fish fauna was studied in five sites of the shallow infralittoral of the Paranaguá Bay during the period from October 1999 to September 2000. At each sampling site, fish were sampled with other trawls, salinity and temperature were measured, water samples... see more
Ashraf Shamaa, Doaa Elgohary Hanafy, Tamer Farouk Khalifa, Mona Mahmoud Salem, Gehan Gamil Shehab, Nermin Mohamed Aly, Elham Hassan (Autor)
The aim of this study was to develop an experimentally-induced canine model of left ventricular hypertrophy through banding of the ascending aorta using nylon ties. Seven clinically normal dogs free of cardiovascular disease were used. Nylon tie was used ... see more
Larissa Rosa Rodrigues, Jaqueline Roberta Pereira da Costa, Rafael Montini Passafaro, Luciana Segura de Andrade (Autor)
Freshwater shrimps play an important role in many ecological processes since they are epibenthic detritivores but also prey on other invertebrates and are predated by fishes. The knowledge about their biology allow the development of management strategies... see more
Ana Carla Walfredo da Conceição, José Augusto Teston (Autor)
This study evaluated the seasonality of Sphingidae spp. in two areas of savannah, in the eastern Brazilian Amazon, sampled for one year (June, 2014 through May, 2015) with the aid of Pennsylvania light traps placed at four sampling points. Data on fauna w... see more
Thiago Deruza Garcia, Bárbara Angélio Quirino, Leonardo Antunes Pessoa, Ana Lúcia Paz Cardozo, Erivelto Goulart (Autor)
Morphological similarity, resource sharing, and differences in habitat use by species are factors that favor their coexistence. The objective of this study was to test possible differences in ecomorphology and diet composition of two Heptapterids (Imparfi... see more
Keyla Vitoria Marques Xavier, Eden Silva e Souza, Erick de Aquino Santos, Michely Correia Diniz (Autor)
Methanogenic archaeas are found in aquatic and terrestrial environments and are fundamental in the conversion of organic matter into methane, a gas that has a potential use as renewable source of energy, which is also considered as one of the main agents ... see more
Frederico Augusto Guimarães Guilherme, Hortência Soardi Maricato, Beatriz Schwantes Marimon, Firmino Cardoso Pereira, Luzia Francisca de Souza, Christiano Peres Coelho, Wendy Carniello Ferreira, Angélica Ferreira Júnior, Kaila de Assis Ressel Pereira (Autor)
Campos de murundus work as recharge zones and are important for the maintenance of water resources in Brazilian Cerrado. However, with the expansion of the agricultural frontier, this ecosystem may disappear or suffer high anthropogenic disturbances. The ... see more
Tathiana Elisa Masetto (Autor)
Determination of seed-maturation indicators enables the identification of the ideal moment for harvest to achieve the best production and conservation potential. Our objective here was to evaluate some physical and physiological changes of crambe (Crambe ... see more
Raone Beltrão-Mendes, Mônica Alves Cunha, Caroline Silva, Paulo Cezar Reys Bastos, Juan Ruiz-Esparza, Marcus Vinicius Brandão, Patrício Adriano da Rocha, Stephen Francis Ferrari (Autor)
Less than 10% of the original Atlantic Forest cover now remains standing in the Brazilian state of Sergipe, although few scientific studies have focused on its mammalian diversity. The present study describes the diversity of non-volant mammals found in t... see more
Stefania Biolo, Vanessa Majewski Algarte, Liliana Rodrigues (Autor)
Some orders of algal groups such as Chlorophyceae and Zygnematophyceae have been reported as frequent taxa in periphytic communities of wetlands. The present study aimed at submitting these algal members which occurred in high abundance and frequency in t... see more
John Lenon de Souza Santos, Alice Barros Câmara, Isabella Tanus Job e Meira, Jonas Ivan Nobre Oliveira (Autor)
Multipotent mesenchymal stem cells have been expanded in vitro for cellular therapy in numerous clinical settings without standardized culture conditions or quality-control schemes. The in vitro expansion is necessary to obtain sufficient cells for ... see more
Jhonata Eduard Farias de Oliveira, Rayline Thaimenne Alves Figueredo, Maria do Perpétuo Socorro Progene Vilhena, José Francisco Berrêdo, José Ledamir Sindeaux-Neto, Edilson Matos, Michele Velasco (Autor)
In their natural habitat, fish are constantly threatened by icthyoparasites, notably those from the Phylum Cnidaria, Hatschek, 1888, represented by species of the Myxozoa, responsible for infections in fish that cause complications to their health that ca... see more
Vanda Fernandes de Matos, Solange de Fátima Lolis, Ronaldo Rodrigues Coimbra, Rodney Haulien Oliveira Viana (Autor)
Phytosociological studies are essential for the elaboration of conservation strategies for the Cerrado. The goal of this study was to survey two areas of cerrado stricto sensu: Fazenda Canaã and Fazenda Providência, located in the Municipality of Porto Na... see more
Ordilena Ferreira de Miranda, Saulo Eduardo Xavier Franco de Souza, Rodrigo José Milan, Aline Borges Bueno, Marcilio de Almeida (Autor)
Psychotria viridis Ruiz & Pav. (Rubiaceae) occurs naturally throughout the Amazon and it is traditionally used by indigenous communities, being incorporated into religious use in urban contexts over the last few decades. It is known and cultivated in ... see more
Manuela da Rocha Matos Rezende, Vivianne de Souza Velozo-Sá, Cesar Augusto Sam Tiago Vilanova-Costa, Elisangela Silveira-Lacerda (Autor)
There is a concern about stablishing the clinical risk of drugs used for cancer treatment. In this study, the cytotoxic, clastogenic and genotoxic properties of cis-tetraammine(oxalato)ruthenium(III) dithionite - cis-[Ru(C2O4)(NH3)4]2(S2O6), were evaluate... see more
Stephanie Carvalho Borges, Lia Mara Teobaldo Tironi, Luísa Mota da Silva, Nilza Cristina Buttow (Autor)
In addition to several local pathophysiological consequences, intestinal injury that is caused by ischemia and reperfusion can result in the development of lesions in remote organs. Curcumin has therapeutic potential because of its antiinflammatory ... see more
Rute Lopes, Moema Souza Santana, Carla Rios da Cruz, Rafael Bianchini Fulindi, Ana Maria Minarelli Gaspar, Paulo Inácio da Costa (Autor)
The liver is primarily responsible for energy homeostasis and the regulation of lipid, carbohydrate and protein metabolism. Lipid metabolism consists of distributing lipids to peripheral tissues or ensuring their return to the liver to be reprocessed. Add... see more
Marcelo da Costa Patrício, Dilma Maria de Brito Melo Trovão (Autor)
Seed biometrics is an excellent tool for understanding environmental filters, species potential and dispersal, successional stages of communities and the dynamics used by seeds to germinate, establish and develop, thus constituting a functional trait of t... see more
Joyce Naiara da Silva, Monalisa Alves Diniz da Silva (Autor)
The objective of this work is to evaluate the influence of accelerated aging test at 41ºC on the germination and seed vigor of Piptadenia moniliformis Benth. Two experiments were conducted. Experiment 1: seeds were submitted to dormancy overcoming t... see more
Bianca Possamai, Ana Carolina dos Passos, Bárbara Maichak de Carvalho (Autor)
This study reports the length-weight relationships (LWRs) for 8 fish species that inhabit mangroves. Many fisheries depend on mangroves, which serve as nursery and feeding areas for the juvenile stage of fishes, shrimp, and other fishery resources. In thi... see more
Luana Alencar, Edson Guilherme (Autor)
Seed dispersal is one of the principal ecological processes that determine the richness and distribution of plants in tropical forests. Birds play an important role in the zoochoric dispersal of seeds in these forests. The present study investigated the b... see more
Barbara Maichak de Carvalho, Renato Bot, Henry Louis Spach (Autor)
The present study describes the length/weight ratio (LWR) of 20 fish species caught in an intertidal area of the Paranaguá Estuarine Complex, southern Brazil. Fish were caught with three beach seine nets, with 2m high, 70m long and distance between knots ... see more
Beatriz Eugenia Jaramillo-Colorado, Flor María Palacio-Herrera , Edisson Duarte-Restrepo (Autor)
The objectives of this work were the study of the volatile chemical composition of essential oils (EO’s) from Swinglea glutinosa, as well as to evaluate their antioxidant, repellent and fumigant properties. The EO was obtained by hydrodistillation f... see more
Amanda de Oliveira Souza, Dâmaris Hadassa Rangel Fonseca Bessa, Cassia Cristina Fernandes, Paulo Sérgio Pereira, Carlos Henrique Gomes Martins, Mayker Lazaro Dantas Miranda (Autor)
Spiranthera odoratissima A. St.-Hil (Rutaceae), a shrub whose common name is manacá do Cerrado in Brazilian Portuguese, is about 1-m high and has been used by folk medicine to treat stomachache, kidney and liver infections, headache, rheumatism and as a b... see more
Fabiana Guillen Moreira Gasparin, Marcio de Barros, Gabriela Alves Macedo (Autor)
Esterases are enzymes that present good potential for industrial applications since they catalyze the formation or cleavage of ester bonds in water-soluble substrates, and sorghum seeds can represent an alternative source of this enzyme. The extraction of... see more
Anderson Polli, Mariza Barion Romagnolo, Luis Antonio de Souza, Lindamir Hernandez Pastorini (Autor)
Aiming to compare morphofunctional features related to dispersion and establishment of plants, this study evaluated seed biometry and biomass, as well as germination and emergence potential in eight plant species native to the Semideciduous Seasonal Fores... see more
Rana Muhammad Mateen, Asma Tariq, Mureed Hussain (Autor)
Many shreds of evidence found on the crime scenes contain a trace amount of DNA which results in insignificant profiling results for subsequent comparison. This can nullify the potential evidence material and hamper investigation process. Over the years, ... see more
Olga Ivanovna Kershanskaya, Darya Sergeevna Nelidova, Gulvira Lemesovna Yessenbaeva , Sergey Nikolaevich Nelidov (Autor)
Soybean loss due to pests and pathogens is a serious problem worldwide. Soybean producers have few options to manage diseases caused by general pathogens where major genes for full resistance have not been discovered. The innate defense of soybean plants ... see more
Daniella de Carla Dias, Leonardo Tachibana, Marina Keiko Pieroni Iwashita, Ivan Bernardoni Nakandakare, Elizabeth Romagosa, Robson Seriani, Maria José Tavares Ranzani-Paiva (Autor)
A commercial probiotic containing Bacillus subtilis (109 CFU g-1) was evaluated in caged matrinxã, Brycon amazonicus, by measuring hematological parameters and macrophage activity after 42 and 84 days after feeding. The product was added to commercial fee... see more
Alex Graça Contato, Fabíola Dorneles In´ácio, Tatiane Brugnari, Caroline Aparecida Vaz de Araújo, Giselle Maria Maciel, Charles Windson Isidoro Haminiuk, Rosane Marina Peralta, Cristina Giatti Marques de Souza (Autor)
Laccases are oxidoreductase enzymes that have the ability to oxidize phenolic substrates. Its biotechnological potential has been greatly explored in many areas as biotechnology industry, bioremediation of dyes, food industry and environmental microbiolog... see more
Viviane Bernardes dos Santos Miranda, Tatiane Mantovano, Yemna Gomes da Silva , Fábio Amodêo Lansac-Tôha , Rosana Mazzoni (Autor)
The aim of this study was to elaborate a taxonomic survey on the testate amoebae of the Family Arcellidae in coastal streams in the State of Rio de Janeiro. Six samplings were conducted in Ubatiba coastal stream (Maricá, RJ). In total, 130 liters water we... see more
Vitor Emanuel Sousa da Silva, André Ricardo Ferreira da Silva Rocha, Victor Mateus Pinheiro Fernandes, Hayla Nunes da Conceição, Eliana Campelo Lago (Autor)
The reemerging diseases caused by Aedes aegypti are one of the main public health problems in the world. The control of mosquitoes using larvicidal compounds from products of plant origin is an excellent alternative. This study aims to evaluate the larvic... see more
Fernanda Keley Silva Pereira Navarro, José Francisco Gonçalves Junior (Autor)
Few studies try to explain the effects in tropical lotic ecosystems of an increase in water temperature on the shredding activity of invertebrate shredders, particularly in association with the quality of the leaf litter and the degree of litter condition... see more
Simone Sacramento dos Santos Silva, Everton Hilo de Souza, Fernanda Vidigal Duarte Souza, Cristina Ferreira Nepomuceno, Maria Angélica Pereira de Carvalho Costa (Autor)
Alcantarea nahoumii (Leme) J. R. Grant is a species native to the Atlantic Forest that stands out for ornamental purposes. The objective of this work was to evaluate the in vitro germination of A. nahoumii seeds and establish a micropropagation protocol f... see more
Wender Cardoso Silva, Ilva de Fátima Souza, Vivian Machado Benassi, Juan Pedro Bretas Roa, Paulo Henrique Graziotti, David Lee Nelson, Arlete Barbosa dos Reis (Autor)
The present work aimed to evaluate the degradability of the chitosan polymer by soil microorganisms. This evaluation was accomplished using the Most Probable Number (MPN) method by plating in drops so that soil microorganisms capable of degrading the poly... see more
Fábio Nunes Lista, João Virgínio Emerenciano Neto, João Carlos de Carvalho Almeida, Bruno Borges Deminicis, David Ramos da Rocha, Gelson dos Santos Difante (Autor)
The research submitted samples from stems and leaf blades from tree genotypes of Pennisetum purpureum called 93-32-02, 92-70-02, and 91-06-02 (EMBRAPA - Dairy cattle) and elephant grass cv. Napier (reference cultivar) to the chemical, anatomical evaluatio... see more
Gizele de Andrade Luz, Jailson de Araújo Santos, Kelly Pires de Oliveira, Pâmela Ponce Martins, Sérgio Emílio dos Santos Valente, Maria Clideana Cabral Maia, Paulo Sarmanho da Costa Lima (Autor)
The mangabeira is a native fruit tree from Brazil with fruits that present significant potential for exploitation. This species is experiencing genetic erosion, which increases the importance of elucidating the genetic diversity that exists in manga... see more
Jéssica Nascimento Costa Vascocelos, Alone Lima Brito, Andressa Priscila Pianco Santos Lima, Jackson Roberto Guedes da Silva Almeida, Ana Paula de Oliveira, José Raniere Ferreira de Santana (Autor)
Amburana cearensis is an arboreal legume of the Fabaceae family, with high phytotherapic and medicinal potential due the presence of secondary metabolites. The objective of this study was to evaluate the effect of 2,4-dichlorophenoxyacetic acid (2,4-D) an... see more