Produção Nacional
Revisado por pares
Daniel Silva Jaques, Eduardo Antônio Gomes Marques, Lázaro Corrêa Marcellino, Márcio Fernandes Leão, Eduardo Pereira Silveira Ferreira, Carolina Crissafe dos Santos Lemos,
Tópico(s): Soil and Unsaturated Flow
2020 - Springer Science+Business Media | Rock Mechanics and Rock Engineering
Produção Nacional
Revisado por pares
Kassiano F. Rocha, Eiko E. Kuramae, Beatriz Maria Ferrari Borges, Márcio Fernandes Alves Leite, Ciro Antônio Rosolem,
Grasses of the Urochloa genus have been widely used in crop-livestock integration systems or as cover crops in no-till systems such as in rotation with maize. Some species of Urochloa have mechanisms to reduce nitrification. However, the responses of microbial functions in crop-rotation systems with grasses and its consequence on soil N dynamics are not well-understood. In this study, the soil nitrification potential and the abundance of ammonifying microorganisms, total bacteria and total archaea ( ...
Tópico(s): Soil and Water Nutrient Dynamics
2020 - Springer Science+Business Media | Archives of Microbiology
Márcio Fernandes Alves Leite, Eiko E. Kuramae,
Soil microbial community data produced by next-generation sequencing platforms has introduced a new era in microbial ecology studies but poses a challenge for data analysis: huge tables with highly sparse data combined with methodological limitations leading to biased analyses. Methodological studies have attempted to improve data interpretation via data transformation and/or rarefaction but usually neglect the assumptions required for an appropriate analysis. Advances in both mathematics and computation ...
Tópico(s): Microbial Community Ecology and Physiology
2020 - Elsevier BV | Soil Biology and Biochemistry
Produção Nacional
Revisado por pares
Miguel Borges, Maria Carolina Blassioli‐Moraes, Márcio Fernandes Peixoto, C. S. S. Pires, E. R. Sujii, Raúl Alberto Laumann,
Abstract The effectiveness of the synthetic sex pheromone of the Neotropical brown stink bug, Euschistus heros , was evaluated both in laboratory and in field assays. Lures loaded with 1 mg of methyl 2,6,10‐trimethyltridecanoate (TMTD) continuously attracted female bugs for more than 30 days to pheromone‐baited traps in field trials. The pheromone‐baited traps were effective in field tests even at low bug population densities, as compared with the usual monitoring technique, shake cloth sampling. Traps ...
Tópico(s): Insect and Arachnid Ecology and Behavior
2010 - Wiley | Journal of Applied Entomology
Produção Nacional
Revisado por pares
Tatiana Barbosa Rosado, Rafael Simões Tomaz, Marcio Fernandes Ribeiro, Antônio Marcos Rosado, Lúcio Mauro da Silva Guimarães, Elza Fernandes de Araújo, Acelino C. Alfenas, Cosme Damião Cruz,
In Brazil the rust caused by Puccinia psidii Winter stands out as the most important disease of eucalyptus. The use of resistant genotypes is the main control method, which makes the detection of markers linked to rust resistance essential to the selection of resistant genotypes. In this study, an F1 progeny of 131 plants from interspecific crossings of Eucalyptus was used to identify markers linked to resistance genes for this pathogen. An integrated map was constructed for linkage group three ...
Tópico(s): Genetic diversity and population structure
2010 - Brazilian Society of Plant Breeding | Crop Breeding and Applied Biotechnology
Produção Nacional
Revisado por pares
Nilo Sakai, Kikue Terada Abe, Lia Menezes Formigli, Marcio Fernandes Pereira, Maria Dulce Valverde de Oliveira, Déborah Afonso Cornélio, Alessandra de La Roque Ferreira, Ricardo K. Kalil,
Benign cartilaginous tumors represent a spectrum of neoplastic processes with variable clinical and pathologic presentations. These tumors are histologically characterized by the presence of chondrocytes surrounded by a cartilaginous matrix. Few studies describe karyotypic abnormalities in these benign lesions. We report a series of 14 chondromas from a single institution. Conventional cytogenetics was performed on short term cultures from all cases. Clonal chromosome aberrations were found in nine ...
Tópico(s): Cancer-related molecular mechanisms research
2011 - Elsevier BV | Cancer Genetics
Produção Nacional
Revisado por pares
Márcio Fernandes, Jarem Raul Garcia, Mário Sérgio Schultz, Francisco Carlos Nart,
This paper describes the oxidation process (chemical doping) of the poly(p-phenine vinylene) (PPV) by using iodine vapor, sulfuric acid and ferric chloride to determine the vibrational and electronics modifications caused by the polymer backbone oxidation. The vibrational spectroscopy indicates that a quinoid structure is formed upon oxidation, coexisting with the original benzoid structure, independent of the doping agent. Only the intensity of the bands changes with the nature of the dopant used. ...
Tópico(s): Organic Light-Emitting Diodes Research
2004 - Elsevier BV | Thin Solid Films
Produção Nacional
Revisado por pares
Laura O. Péres, Hamilton Varela, Jarem Raul Garcia, Márcio Fernandes, Roberto M. Torresi, Francisco Carlos Nart, Jonas Gruber,
This paper describes the electrochemical synthesis of poly(p-phenylene vinylene) and poly(o-phenylene vinylene), via potentiostatic cathodic reduction of α,α,α′,α′-tetrabromo-p-xylene and α,α,α′,α′-tetrabromo-o-xylene. The polymerization yield obtained from the electrochemical quartz crystal microbalance were 88 and 25% for poly(p-phenylene vinylene) and poly(o-phenylene vinylene), respectively. The films were characterized by infrared spectroscopy. The polymer has been identified by the vibrational ...
Tópico(s): Advanced Sensor and Energy Harvesting Materials
2001 - Elsevier BV | Synthetic Metals
Produção Nacional
Revisado por pares
Roberta Reis Soares, José Marcio Fernandes da Silva, Bianca C. Carlos, Camila Campos da Fonseca, Laila Salomé Araújo de Souza, Fernanda Valério Lopes, Rafael M. P. Dias, Paulo Otávio Lourenço Moreira, Clarice Abramo, Gustavo Henrique Ribeiro Viana, Fernando de Pilla Varotti, Adilson David da Silva, Kézia Katiani Gorza Scopel,
Malaria continues to be an important public health problem in the world. Nowadays, the widespread parasite resistance to many drugs used in antimalarial therapy has made the effective treatment of cases and control of the disease a constant challenge. Therefore, the discovery of new molecules with good antimalarial activity and tolerance to human use can be really important in the further treatment of the disease. In this study we have investigated the antiplasmodial activity of 10 synthetic compounds ...
Tópico(s): Phenothiazines and Benzothiazines Synthesis and Activities
2015 - Elsevier BV | Bioorganic & Medicinal Chemistry Letters
Produção Nacional
Revisado por pares
Ernesto Gómez Cardozo, Karol Henry Mavisoy Muchavisoy, Hulda Rocha Silva, Marcelo Luís Corrêa Zelarayán, Márcio Fernandes Alves Leite, Guillaume Xavier Rousseau, Christoph Gehring,
Tópico(s): Ecology and Vegetation Dynamics Studies
2015 - Springer Science+Business Media | Agroforestry Systems
Produção Nacional
Revisado por pares
Marcela Christofoli, Eliângela Cristina Cândida Costa, Keylla U. Bicalho, Vanessa de Cássia Domingues, Márcio Fernandes Peixoto, Cássia Cristina Fernandes Alves, Wagner L. Araújo, Cristiane de Melo Cazal,
The purpose of this study was to develop and characterize biodegradable nanospheres containing essential oils from Zanthoxylum rhoifolium leaves and evaluate its insecticidal effect in Bemisia tabaci populations. The essential oil from Z. rhoifolium leaves exhibited an average yield of 0.03% and presented β-elemene (31.26%), D-germacrene (18.16%), β-caryophyllene (12.09%), δ-elemene (7.63%), β-cedrene (6.69%), bicyclogermacrene (4.57%) and E-caryophyllene (3.63%) as main components. The PCL nanospheres ...
Tópico(s): Insect and Pesticide Research
2015 - Elsevier BV | Industrial Crops and Products
Noriko A. Cassman, Márcio Fernandes Alves Leite, Yao Pan, Mattias de Hollander, Johannes A. van Veen, Eiko E. Kuramae,
Abstract Inorganic fertilization and mowing alter soil factors with subsequent effects–direct and indirect - on above- and below-ground communities. We explored direct and indirect effects of long-term fertilization (N, P, NPK, Liming) and twice yearly mowing on the plant, bacterial and fungal communities and soil factors. We analyzed co-variation using 16S and 18S rRNA genes surveys, and plant frequency and edaphic factors across treatments. The plant and fungal communities were distinct in the NPK ...
Tópico(s): Microbial Community Ecology and Physiology
2016 - Nature Portfolio | Scientific Reports
Produção Nacional
Revisado por pares
Eduardo Antônio Gomes Marques, David J. Williams, Igor Rodrigues de Assis, Márcio Fernandes Leão,
This paper presents the results of a comprehensive study on the morphology of weathering profiles developed on metamorphic and sedimentary rocks under subtropical climate, focusing on its influence on geotechnical parameters of weathering materials. Several cut and natural slopes were selected for more detailed descriptions of their physical, mineralogic, geologic, structural and geotechnical parameters, focusing on weathered rock materials, including characteristics of matrix (e.g., fabric, mineralogy ...
Tópico(s): Soil and Unsaturated Flow
2017 - Springer Science+Business Media | Environmental Earth Sciences
Márcio Fernandes Alves Leite, Yao Pan, Jaap Bloem, Hein ten Berge, Eiko E. Kuramae,
Abstract Use of organic amendments is a valuable strategy for crop production. However, it remains unclear how organic amendments shape both soil microbial community structure and activity, and how these changes impact nutrient mineralization rates. We evaluated the effect of various organic amendments, which range in Carbon/Nitrogen (C/N) ratio and degradability, on the soil microbiome in a mesocosm study at 32, 69 and 132 days. Soil samples were collected to determine community structure (assessed ...
Tópico(s): Polar Research and Ecology
2017 - Nature Portfolio | Scientific Reports
Nardy Kip, Stefan Jansen, Márcio Fernandes Alves Leite, Mattias de Hollander, M. Afanasyev, Eiko E. Kuramae, Johannes A. van Veen,
Abstract Microorganisms are able to cause, but also to inhibit or protect against corrosion. Corrosion inhibition by microbial processes may be due to the formation of mineral deposition layers on metal objects. Such deposition layers have been found in archaeological studies on ancient metal objects, buried in soil, which were hardly corroded. Recent field investigations showed that natural mineral deposition layers can be found on sheet piles in soil. We investigated the microbial communities ...
Tópico(s): Building materials and conservation
2017 - Nature Portfolio | Scientific Reports
Produção Nacional
Revisado por pares
Eliângela Cristina Cândida Costa, Marcela Christofoli, Géssica Carla de Souza Costa, Márcio Fernandes Peixoto, João Batista Fernandes, Moacir Rossi Forim, Karla de Castro Pereira, Fabiano Guimarães Silva, Cristiane de Melo Cazal,
Several insects cause harm to agricultural production, increasing its cost. An insect of great interest is Bemisia tabaci, considered a major pest of tomatoes and other crops. Essential oils are alternative products for the control of agricultural pests. In this context, the objective of this work was to carry out chemical analyses of the essential oils of the fruits of Zanthoxylum rhoifolium and Zanthoxylum riedelianum and to evaluate their repellent activity against B. tabaci. The average yields ...
Tópico(s): Insect and Pesticide Research
2017 - Elsevier BV | Scientia Horticulturae
Produção Nacional
Revisado por pares
Thiago R. Schlemper, Márcio Fernandes Alves Leite, Adriano Reis Lucheta, Mahdere Shimels, Harro J. Bouwmeester, Johannes A. van Veen, Eiko E. Kuramae,
Plant genotype selects the rhizosphere microbiome. The success of plant-microbe interactions is dependent on factors that directly or indirectly influence the plant rhizosphere microbial composition. We investigated the rhizosphere bacterial community composition of seven different sorghum cultivars in two different soil types (abandoned (CF) and agricultural (VD)). The rhizosphere bacterial community was evaluated at four different plant growth stages: emergence of the second (day 10) and third leaves ( ...
Tópico(s): Plant Parasitism and Resistance
2017 - Oxford University Press | FEMS Microbiology Ecology
Produção Nacional
Revisado por pares
Elisabeth Armada, Márcio Fernandes Alves Leite, Almudena Medina, Rosario Azcón, Eiko E. Kuramae,
Inoculation of plants with beneficial plant growth-promoting bacteria (PGPB) emerges a valuable strategy for ecosystem recovery. However, drought conditions might compromise plant-microbe interactions especially in semiarid regions. This study highlights the effect of native PGPB after 1 year inoculation on autochthonous shrubs growth and rhizosphere microbial community composition and activity under drought stress conditions. We inoculated three plant species of semiarid Mediterranean zones, Thymus ...
Tópico(s): Plant Parasitism and Resistance
2018 - Oxford University Press | FEMS Microbiology Ecology
Produção Nacional
Revisado por pares
Marília Cristina Peres, Géssica Carla de Souza Costa, Laura Eduarda Lopes dos Reis, Lidiane Dias da Silva, Márcio Fernandes Peixoto, Cássia Cristina Fernandes Alves, Moacir Rossi Forim, E. D. Quintela, Wagner L. Araújo, Cristiane de Melo Cazal,
Tópico(s): Insect-Plant Interactions and Control
2020 - Springer Science+Business Media | Journal of Pest Science
Ben O. Oyserman, Viviane Cordovez, Stalin Sarango Flores, Márcio Fernandes Alves Leite, Harm Nijveen, Marnix H. Medema, Jos M. Raaijmakers,
One of the fundamental tenets of biology is that the phenotype of an organism (Y) is determined by its genotype (G), the environment (E), and their interaction (GE). Quantitative phenotypes can then be modeled as Y = G + E + GE + e, where e is the biological variance. This simple and tractable model has long served as the basis for studies investigating the heritability of traits and decomposing the variability in fitness. The importance and contribution of microbe interactions to a given host phenotype is ...
Tópico(s): Evolution and Genetic Dynamics
2021 - Frontiers Media | Frontiers in Microbiology
Produção Nacional
Revisado por pares
João William Bossolani, Carlos Alexandre Costa Crusciol, Márcio Fernandes Alves Leite, Luís Fernando Merloti, Luiz Gustavo Moretti, Isabô Melina Pascoaloto, Eiko E. Kuramae,
Unsustainable agricultural management practices such as non-conservationist tillage and overuse of fertilizers result in soil acidity and, in turn, soil degradation due to reduced carbon (C) concentrations and nutrient availability and increased aluminum toxicity. Application of lime (L) and phosphogypsum (PG) can overcome these constraints and improve soil quality, but the long-term effects of these amendments on both abiotic and biotic soil properties are not known, particularly when applied in combination. ...
Tópico(s): Soil Management and Crop Yield
2021 - Elsevier BV | Soil Biology and Biochemistry
Produção Nacional
Revisado por pares
Daniella Campelo Batalha Cox Moore, Márcio Fernandes Nehab, Karla Gonçalves Camacho, Adriana Teixeira Reis, Maria de Fátima Junqueira-Marinho, Dimitri Marques Abramov, Zina Maria Almeida de Azevedo, Lívia Almeida de Menezes, Margarida dos Santos Salú, Carlos Eduardo da Silva Figueiredo, Maria Elisabeth Lopes Moreira, Zilton Vasconcelos, Flávia Anisio Amendola, Lívia de Rezende de Mello, Roberta Fernandes Correia, Saint Clair Gomes,
The COVID-19 pandemic has affected the entire world, and the vaccine has emerged as a source of hope for return to normal life. Still, various countries have reported high vaccine hesitancy rates. It is important to know the vaccine hesitancy profile in Brazil to help design adequate communication strategies. A voluntary, anonymous online survey was conducted from January 22 to 29, 2021, including resident Brazilian adults to assess factors related to vaccine hesitancy. Sociodemographic and epidemiological ...
Tópico(s): SARS-CoV-2 and COVID-19 Research
2021 - Elsevier BV | Vaccine
Produção Nacional
Revisado por pares
Márcio Fernandes Alves Leite, Maurício R. Dimitrov, Raquel P. Freitas-Iório, Mattias de Hollander, Matheus Aparecido Pereira Cipriano, Sara Adrián López de Andrade, Adriana Parada Dias da Silveira, Eiko E. Kuramae,
The development and productivity of plants are governed by their genetic background, nutrient input, and the microbial communities they host, i.e. the holobiont. Accordingly, engineering beneficial root microbiomes has emerged as a novel and sustainable approach to crop production with reduced nutrient input. Here, we tested the effects of six bacterial strains isolated from sugarcane stalks on sugarcane growth and physiology as well as the dynamics of prokaryote community assembly in the rhizosphere ...
Tópico(s): Sugarcane Cultivation and Processing
2021 - Elsevier BV | The Science of The Total Environment
Produção Nacional
Revisado por pares
Letusa Momesso, Carlos Alexandre Costa Crusciol, Márcio Fernandes Alves Leite, João William Bossolani, Eiko E. Kuramae,
Forage grasses used in cropping no-till systems in tropical regions alter soil chemical properties, but their long-term impact on soil microbial processes of the nitrogen (N) cycle and microbial community abundance, composition and structure are unknown. Here, microbial functions related to nitrogen fixation, nitrification and denitrification as well as bacterial, archaeal and fungal populations were evaluated in a long-term field experiment in which tropical forage grasses palisade grass (Urochloa ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
2021 - Elsevier BV | Agriculture Ecosystems & Environment
Produção Nacional
Revisado por pares
Rafaela Gageti Bulgarelli, Márcio Fernandes Alves Leite, Mattias de Hollander, Paulo Mazzafera, Sara Adrián López de Andrade, Eiko E. Kuramae,
Tópico(s): Legume Nitrogen Fixing Symbiosis
2022 - Elsevier BV | The Science of The Total Environment
Zhikang Wang, Márcio Fernandes Alves Leite, Mingkai Jiang, Eiko E. Kuramae, Xiangxiang Fu,
Periodic inoculations of soil-beneficial microbes can increase their populations, but they also act as recurring biotic disturbances on the native microbial community. Soil rare and abundant microorganisms disproportionally shape the community diversity and stability. Uncovering their dynamic responses to recurring biotic disturbances and the underlying driving factors helps improve our understanding of the inoculation effects. Here, we imposed temporally recurring biotic disturbances by inoculating ...
Tópico(s): Gut microbiota and health
2022 - Elsevier BV | Soil Biology and Biochemistry
Cristina Rotoni, Márcio Fernandes Alves Leite, Agata Pijl, Eiko E. Kuramae,
Abstract Rhizosphere microbial community composition is strongly influenced by plant species and cultivar. However, our understanding of the impact of plant cultivar genetic variability on microbial assembly composition remains limited. Here, we took advantage of vegetatively propagated chrysanthemum (Chrysanthemum indicum L.) as a plant model and induced roots in five commercial cultivars: Barolo, Chic, Chic 45, Chic Cream and Haydar. We observed strong rhizosphere selection for the bacterial community ...
Tópico(s): Gut microbiota and health
2022 - Oxford University Press | FEMS Microbiology Ecology
Jingjing Chang, Lei Tian, Márcio Fernandes Alves Leite, Yu Sun, Shaohua Shi, Shangqi Xu, Jilin Wang, Hongping Chen, Dazhou Chen, Jianfeng Zhang, Chunjie Tian, Eiko E. Kuramae,
Abstract Background The assembly of the rhizomicrobiome, i.e., the microbiome in the soil adhering to the root, is influenced by soil conditions. Here, we investigated the core rhizomicrobiome of a wild plant species transplanted to an identical soil type with small differences in chemical factors and the impact of these soil chemistry differences on the core microbiome after long-term cultivation. We sampled three natural reserve populations of wild rice (i.e., in situ) and three populations of ...
Tópico(s): Cassava research and cyanide
2022 - BioMed Central | Microbiome
João William Bossolani, Márcio Fernandes Alves Leite, Letusa Momesso, Hein ten Berge, Jaap Bloem, Eiko E. Kuramae,
The challenges of nitrogen (N) management in agricultural fields include minimizing N losses while maximizing profitability and soil health. Crop residues can alter N and carbon (C) cycle processes in the soil and modulate the responses of the subsequent crop and soil– microbe-plant interactions. Here, we aim to understand how organic amendments with low and high C/N ratio, combined or not with mineral N may change soil bacterial community and their activity in the soil. Organic amendments with different ...
Tópico(s): Legume Nitrogen Fixing Symbiosis
2023 - Elsevier BV | The Science of The Total Environment
Produção Nacional
Revisado por pares
Roberto Lima da Silva, Márcio Fernandes Alves Leite, Francisca Helena Muniz, Luiz Augusto Gomes de Souza, Flávio Henrique Reis Moraes, Christoph Gehring,
We describe degradation impacts on biomass, structural and functional composition of riparian forests of the Mearim river, eastern periphery of Amazonia, based on 40 transects from open water to terra firme and covering 4 degradation levels. Biomass was high (306.3 Mg ha−1) in original mature forests (MF), and 92.3% lower in strongly degraded (SD) sites. This suggests disproportionally high CO2-emissions via riparian forest degradation and calls for their preferential conservation and restoration to ...
Tópico(s): Hydrology and Sediment Transport Processes
2017 - Elsevier BV | Forest Ecology and Management