29 articles in this issue
Higor Modesto Garlet Voss, Otávio dos Santos Escobar, Vinicius Severo Trivisiol, Mariane Peripolli, Maicon Pivetta, Jaíne Rubert, Elisandro Azeredo Nunes , Sylvio Henrique Bidel Dornelles (Autor)
Cyperus difformis L. is a Cyperaceae, annual, of natural occurrence in marshy environments in southern Brazil, considered a weed in irrigated rice crops. Studies on its development are scarce, especially regarding its cycle and thermal requirements. There... see more
Bruna dos Santos Menezes, Kátia dos Santos Morais, Aparecido Almeida Conceição, Juliana Gomes Barreto Souza Leite, Fábia Giovana do Val de Assis, Félix Gonçalves Siqueira, Patrícia Lopes Leal (Autor)
Aspergillus niger KIJH was grown in solid and submerged fermentation using leaves and roots (with and without bark) of plants typically from Brazilian semiarid as substrate to produce a multienzymatic extract, which was characterised for its potential bio... see more
Claudio Baltazar de Sousa, Erika Alves Fonseca Amorim, Rita de Cassia Mendonça Miranda (Autor)
. Endophytic fungi colonize the interior of plants without causing damage and act in symbiosis with their host. They are also potential sources of compounds with potential applications in industry, agriculture, and medicine, Thus, this study aimed to isol... see more
Eliélton da Silva Araújo, Jean Ricardo Simões Vitule, Andre Andrian Padial (Autor)
Describing and understanding distribution of species in natural ecosystems is the first step to establish conservation efforts. In aquatic habitats, macrophytes play a central role in promoting biodiversity and ecosystem functioning. This study aimed to c... see more
Rafael Anaisce das Chagas, Marko Herrmann (Autor)
Marine gastropods of the family Naticidae are worldwide distributed and known for their unusual predatory habits. Due to their wide distribution, the naticids are worldwide studied and known like predators of intertidal bivalves. The present study demonst... see more
Rodrigo Diana Navarro, Ana Carolina Tavora Lima Alves (Autor)
The present study aimed to study the reproduction of the Amazon turtle (Podocnemis expansa) through the evaluation of the reproductive parameters of adult females. This study was carried out in the Crixás-Açu River, municipality of Mundo Novo, state of Go... see more
Layon Zafra-Lemos, Vera Lúcia Lopes, Ana Paula de Santi Rampazzo, Maria Raquel Marçal Natali, Luciana Andreia Borin-Carvalho, Ana Luiza Brito Portela-Castro (Autor)
The herbicide Dormex®, a solution of hydrogen cyanamide, is a growth regulator capable of breaking the dormancy of fruit plants, and is commonly applied in agriculture. However, the biological effects of this product on non-target organisms are unknown. T... see more
Amanda da Silva Ribeiro, Andressa Domingos Polli, Amanda Oliveira, João Arthur dos Santos de Oliveira, Anderson Emmer, Leonardo Hamamura Alves, Omar Cléo Neves Pereira, João Alencar Pamphile (In memorian) (Autor)
Endophytes are growth-promoting agents capable of synthesizing phytohormones, uptaking nutrients, and controlling pathogens. There is a strong potential to exploit them in the agriculture field like biofertilizers and biocontrol agents. In this work, we a... see more
Julliana de Castro Lima, Fábio Amodêo Lansac-Tôha, Tatiane Mantovano, Natanael José da Silva, Moacyr Serafim Junior (Autor)
As the global human population increases, the demand for food grows and, consequently, practices such as aquaculture have become more common. Colossoma macropomum (Cuvier, 1818) is a native Amazonian species, considered to be the second most cultivated fi... see more
Waffa Bouafia, Soumia Mouffouk, Hamada Haba (Autor)
The present work describes the in vitro biological activities of the crude extracts (petroleum ether, ethyl acetate and n-butanol) prepared from the species Ephedra altissima Desf. The estimation of total phenolic, flavonoid and tannin contents were carri... see more
Isabella Ferreira Silva, Letícia Fagundes Papa, Pedro Gontijo Carneiro, Mariane Cristina Schnitzler, Silmara Nunes Andrade, Rosy Iara Maciel Azambuja Ribeiro, Fernando Pilla Varotti, Ralph Gruppi Thomé, Hélio Batista Santos (Autor)
Multiwalled carbon nanotube (MWCNT) has been broadly used in several sectors of society. This material when exposed to the environment might reach the aquatic animals and cause toxic effects. Here, it was evaluated the MWCNTs toxicity in melanomacrophages... see more
Patrícia de Almeida Machado Gonçalves, Vanessa de Souza Cruz, Leandro Lopes Nepomuceno, Nayane Peixoto Soares, Karla Márcia da Silva Braga, Naira Moura Alves, Emmanuel Arnhold , Eugênio Gonçalves de Araújo (Autor)
The selective activity of an antineoplastic drug is related to its ability to promote cytotoxic action on tumor cells and preserve the integrity of non-neoplastic cells. Beta-lapachone is extracted from the sawdust of Ipe wood, a thick bark tree from the ... see more
Karen Cristina Fialho dos Santos, Deyse Maria de Souza Silveira, Antônio da Silva Souza, Jucieny Ferreira de Sá, Carlos Alberto da Silva Ledo, Mariane de Jesus da Silva de Carvalho (Autor)
In vitro multiplication is an important tissue culture technique that is capable of efficiently producing seedlings at any scale. It is a propagation method based on the aseptic culture of small propagules in a suitable culture medium to enable plant rege... see more
Andressa de Andrade, Mariana Appel Hort, Lucia Emanueli Schimith, Gianni Goulart Peraza, Lucas da Silva Maria, Maria Cristina Flores Soares, Danilo Giroldo, Ana Luiza Muccillo-Baisch (Autor)
Microalga species have attracted interest as a source of bioactive compounds with several pharmacological activities. Previous studies reported that microalgae from the genus Chlamydomonas have anti-inflammatory and antioxidant properties. In this study, ... see more
Patrícia Alexandre Evangelista, Mayara Andrade Martins de Souza, Iuri Emanuel de Paula Ferreira, Natan de Jesus Pimentel-Filho (Autor)
This study aimed to evaluate the microbiological quality of the water of four ponds used for irrigation on the Lagoa do Sino Farm, as well as to perform the genotypic characterization of virulence factors in Escherichia coli isolates. Sampling was co... see more
Adriana Terumi Itako, João Batista Tolentino Júnior, José Luis França Pinto Raduan, Amanda do Prado Mattos, Karine Louise dos Santos, Marlise Nara Ciotta (Autor)
The aim of this work was to evaluate the effect of the essential oils of Syzygium aromaticum, Cymbopogon citratus, Eucalyptus citriodora and Rosmarinus officinalis on the mycelial development of the fungus Colletotrichum sp. in fragments of Feijoa sellowi... see more
Luiz Gustavo Antunes Pessoa, Leonardo Antunes Pessoa, Éverton da Silva Santos, Eduardo Jorge Pilau, José Eduardo Gonçalves, Regina Aparecida Correia Gonçalves, Arildo José Braz de Oliveira (Autor)
Plant tissue culture has emerged as an important tool to produce bioactive compounds from various plant species, including the sustainable production of limonoids that are receiving considerable attention due to the benefits associated with human health s... see more
Bruna de Fátima Batista da Silva, Everton Hilo de Souza, Rafaelle Souza de Oliveira, Carlos Alberto da Silva Ledo, Fernanda Vidigal Duarte Souza (Autor)
This study assessed and compared different methods for vegetative propagation of a miniature ornamental pineapple hybrid (ORN-MUT), seeking to determine the best method for production of plantlets, as well as for removal of the PMWaV viral complex from pl... see more
Marcela Padilha Iastremski, Juliano Tadeu Vilela de Resende, Cristhiano Kopanski Camargo, Marcos Guilherme Ruthes, Marco Antonio Pereira Santos (Autor)
The use of genotypes more adapted to climatic conditions can contribute to increase the yield of onion producers. The goal of this study was to evaluate the agronomic performance of 15 onion genotypes in the soil and climatic conditions of Guarapuava, sta... see more
Luan Honorato, João Vitor da Silva Batista, Emerson Giuliani Durigon, Giovanni Lemos de Mello, Mateus Vitoria Medeiros (Autor)
Anesthesia reduces the handling process duration and prevent fish injuries. The anesthetic effect and ideal concentrations of eugenol and tricaine methanesulfonate (MS-222) were tested for pearl cichlid (Geophagus brasiliensis) juveniles with an average w... see more
Amanda Brito Costa, Márcio Borba da Silva, Ricardo Evangelista Fraga, Agda Alves da Rocha, Patrícia Belini Nishiyama, Matheus Santos dos Anjos, Joaquim Jorge Silveira Buchaim, Mariane Amorim Rocha (Autor)
Although crustaceans are traditionally preserved in liquids (formaldehyde and/or ethyl alcohol), those substances tend to alter their morphological aspects. Glycerin, used in human anatomy, is considered a good substitute for formaldehyde, as it preserves... see more
José Luis Medrano-Ochoa, Flor María Palacio-Herrera, Yuris Torralbo-Cabrera, Bárbara Arroyo-Salgado, Beatriz Eugenia Jaramillo-Colorado, Nayive Pino-Benítez (Autor)
This research assessed the fumigant activity of the essential oil from Piper sancti-felicis Trel and five of its components on the Tribolium castaneum (Herbst) biological model. Hydrodistillation was used for extraction of the essential oil, with separati... see more
Luciano Abi Rached Tannuri, Everaldo Antônio Lopes, Willian Rodrigues Macedo, Ellen Júnia Canedo (Autor)
The exogenous application of salicylic acid can induce plant resistance against pathogens. However, little is known about the potential uses of this bioregulator for controlling coffee diseases. In this study, we assessed the effect of applying salicylic ... see more
Patrícia Patrícia Pereira Gomes, Alex Sandro Barros de Souza, Jean Victor Nery da Silva, Amanda da Silva Ferreira, José Adolfo Mota de Almeida, Marcos Magalhães de Souza (Autor)
Harvestmen are arachnids that play an important role in organic matter breakdown. However, there are many ecosystems in Brazil, including Conservation Units, which lack information about these organisms or are sub-sampled. Even in areas of Atlantic forest... see more
Carlos Daniel Castañeda-Novoa, Diana Marcela Vinchira-Villarraga, Ibonne Aydee García Romero, Nubia Moreno-Sarmiento (Autor)
Streptomyces 5.1 is a bacterium isolated from rice soils in the south of the Tolima department (Colombia). This microorganism is characterized by its antagonistic activity against rubber tree phytopathogens like Colletotrichum gloeosporioides, the causal ... see more
Marília Malta Cavalcante Mendes Pontes, José de Paula Oliveira, Maria do Carmo Silva Barreto, Eric Xavier de Carvalho, Adalia Cavalcanti do Espírito Santo Mergulhão, Maria Luiza Ribeiro Bastos da Silva, Jadson Emanuel Lopes Antunes, Ademir Sergio Ferreira de Araújo, Márcia do Vale Barreto Figueiredo (Autor)
This study aimed to assess the occurrence of arbuscular mycorrhizal fungi (AMF) in annatto (Bixa orellana L.) cultivars and their response to AMF inoculation using biometric parameters. The occurrence surveys were conducted in annatto fields in three muni... see more
João Mário Comper Covre , Dayvid Rodrigues Couto, Henrique Machado Dias, João Paulo Fernandes Zorzanelli (Autor)
Inselbergs are granitic or gneissic rocky outcrops prevalent in the landscape of southeastern Brazil. These ecosystems represent islands of isolated habitats that harbor a peculiar flora with high richness and endemism. The present study lists the species... see more
Andréia Anschau, Katira da Mota Huerta, Tatiane Vieira Rêgo , Janaina Mardioni Gonçalves de Oliveira , Carina Molins Borba, Susana Juliano Kalil, Carlos André Veiga Burkert, Janaína Fernandes de Medeiros Burkert (Autor)
Many food, cosmetic and pharmaceutical industries have increased their interest in short-chain esters due to their flavor properties. From the industrial standpoint, enzyme reactions are the most economical strategy to reach green products with neither to... see more
Karina Guollo, Américo Wagner Junior, Carlos Kosera Neto, Juliana Cristina Radaelli (Autor)
Studies on the Myrtaceae family are mainly distributed in floristic surveys, reproductive studies of plant communities or related to family taxonomy. Based on this, the objective of the present study was to elucidate aspects of floral and reproductive bio... see more