Search Results - "Souza, Afonso Duarte Leão de"

Trypanocidal activity of oxoaporphine and pyrimidine-β-carboline alkaloids from the branches of Annona foetida Mart. (Annonaceae) by Costa, Emmanoel Vilaça, Pinheiro, Maria Lúcia Belém, de Souza, Afonso Duarte Leão, Barison, Andersson, Campos, Francinete Ramos, Valdez, Rodrigo Hinojosa, Ueda-Nakamura, Tânia, Filho, Benedito Prado Dias, Nakamura, Celso Vataru

“…Phytochemical investigation of the branches of Annona foetida Mart. led to isolation from the CH(2)Cl(2) extract of four alkaloids: Atherospermidine (1),…”
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Phenolic compounds from Virola venosa (Myristicaceae) and evaluation of their antioxidant and enzyme inhibition potential by FERNANDES, Kamila Rangel Primo, BITTERCOURT, Paulo Senna, SOUZA, Afonso Duarte Leão de, SOUZA, Antonia Queiroz Lima de, SILVA, Felipe Moura Araújo da, LIMA, Emerson Silva, ACHO, Leonard Domingo Rosales, NUNOMURA, Rita de Cássia Saraiva, TEIXEIRA, Ana Frazão, KOOLEN, Hector Henrique Ferreira

“…ABSTRACT Virola venosa, popularly known in Brazil as ucuuba-da-mata, occurs naturally in the Amazon region and has potential to provide useful natural…”
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Biotransformation of monoterpenes using Streptomyces strains from the rhizosphere of Inga edulis Martius from in an Amazonian urban forest fragment by Sevalho, Elison de Souza, de Souza Rodrigues, Rafael, Queiroz Lima de Souza, Antonia, Duarte Leão de Souza, Afonso

“…To investigate the biocatalytic potential of Amazonian actinomycetes for monoterpenes biotransformation. To carry out the present study, eleven actinomycetes…”
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An antimicrobial alkaloid and other metabolites produced by Penicillium sp. An endophytic fungus isolated from Mauritia flexuosa L. f by Koolen, Hector Henrique Ferreira, Soares, Elzalina Ribeiro, Silva, Felipe Moura Araújo da, Almeida, Richardson Alves de, Souza, Afonso Duarte Leão de, Medeiros, Lívia Soman de, Rodrigues Filho, Edson, Souza, Antonia Queiroz Lima de

“…The alkaloid glandicoline B (1) and six other compounds: ergosterol (2), brassicasterol (3), ergosterol peroxide (4), cerevisterol (5), mannitol (6) and…”
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Extracts of Amazonian Fungi With Larvicidal Activities Against Aedes aegypti by de Oliveira, Marta Rodrigues, Katak, Ricardo de Melo, da Silva, Gilvan Ferreira, Marinotti, Osvaldo, Terenius, Olle, Tadei, Wanderli Pedro, de Souza, Afonso Duarte Leão, de Souza, Antonia Queiroz Lima

“…The global increase in diseases transmitted by the vector , new and re-emerging, underscores the need for alternative and more effective methods of controlling…”
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An antimicrobial diketopiperazine alkaloid and co-metabolites from an endophytic strain of Gliocladium isolated from Strychnos cf. toxifera by Koolen, Hector Henrique Ferreira, Soares, Elzalina Ribeiro, da Silva, Felipe Moura Araújo, Lima de Souza, Antonia Queiroz, de Medeiros, Lívia Soman, Filho, Edson Rodrigues, de Almeida, Richardson Alves, Ribeiro, Ismael Alexandre, do Ó Pessoa, Cláudia, de Morais, Manoel Odorico, da Costa, Patrícia Marçal, de Souza, Afonso Duarte Leão

“…From an endophytic strain of Gliocladium sp. isolated from the Amazonian plant Strychnos cf. toxifera, we obtained the diketopiperazine alkaloid…”
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Colorectal cancer DNA methylation patterns from patients in Manaus, Brazil by Almeida, Fabiana Greyce Oliveira, de Aquino, Priscila Ferreira, de Souza, Afonso Duarte Leão, de Souza, Antonia Queiroz Lima, do Carmo Vinhote, Sonia, Mac-Cormick, Thaís Messias, da Mota Silva, Marcelo Soares, Chalub, Sidney Raimundo Silva, de Saldanha da Gama Fischer, Juliana, Carvalho, Paulo Costa, da Gloria da Costa Carvalho, Maria

“…DNA methylation is commonly linked with the silencing of the gene expression for many tumor suppressor genes. As such, determining DNA methylation patterns…”
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Endophytic fungi from Myrcia guianensis at the Brazilian Amazon: distribution and bioactivity by Dos Banhos, Elissandro Fonseca, de Souza, Antonia Queiroz Lima, de Andrade, Juliano Camurça, de Souza, Afonso Duarte Leão, Koolen, Hector Henrique Ferreira, Albuquerque, Patrícia Melchionna

“…Beneficial interactions between plants and microorganisms have been investigated under different ecological, physiological, biochemical, and genetic aspects…”
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Investigation into the effect of the culture conditions and optimization on limonene-1,2-diol production from the biotransformation of limonene using Pestalotiopsis mangiferae LaBMicrA-505 by de Souza Sevalho, Elison, Paulino, Bruno Nicolau, de Souza, Antonia Queiroz Lima, de Souza, Afonso Duarte Leão

“…Different bioproducts can be obtained by changing operative condition of biotechnological process, and this bioprocess aspect is a significant approach to be…”
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Ultra‐high‐performance liquid chromatography combined with electrospray ionization quadrupole time‐of‐flight mass spectrometry and molecular networking analysis to investigate the chemodiversity of bioactive extracts of Annona jahnii Saff. fungi from the Brazilian Amazon by Xavier, Luciana Araújo, Nascimento Odilair, Letícia Maciel, Sousa, Gilmara Prado, Souza, Edineide Cristina A., Pilau, Eduardo Jorge, Porto, Carla, Souza, Antônia Queiroz Lima, Souza, Afonso Duarte Leão, Flach, Adriana, Costa, Luiz Antonio M. A.

“…Rationale Annona species are of interest for the isolation of bioactive molecules; however, studies of Annona jahnii Saff. are limited. The exploration of…”
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A new flavonoid glycoside and other compounds from the leaves of Bocageopsis canescens (Benth.) R.E.Fr by Soares, Elzalina Ribeiro, Almeida, Richardson Alves de, Lima, Bruna Ribeiro de, Mafra, Hanna Rocha, Souza Leão, Luana Quadros de, Maciel, Jessica Burlamaque, Souza, Afonso Duarte Leão de, Silva, Felipe Moura Araujo da, Pinheiro, Maria Lúcia Belém

“…•Nine isoquinoline-derived alkaloids and two flavonoid glicosides were reported in Bocageopsis canencens for the first time.•This paper report a new flavonoid…”
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Biotechnological potential of actinomycetes in the 21st century: a brief review by de Souza Rodrigues, Rafael, de Souza, Antonia Queiroz Lima, Feitoza, Maria Divina Oliveira, Alves, Thalita Caroline Lima, Barbosa, Anderson Nogueira, da Silva Santiago, Sarah Raquel Silveira, de Souza, Afonso Duarte Leão

“…This brief review aims to draw attention to the biotechnological potential of actinomycetes. Their main uses as sources of antibiotics and in agriculture would…”
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Desreplicação de alcaloides aporfínicos e oxoaporfínicos de Unonopsis guatterioides por ESI-IT-MS by Silva, Felipe Moura Araújo da, Koolen, Hector Henrique Ferreira, Almeida, Richardson Alves de, Souza, Afonso Duarte Leão de, Pinheiro, Maria Lúcia Belém, Costa, Emmanoel Vilaça

“…The dereplication of aporphine and oxoaporphine alkaloids by direct infusion in ESI-IT-MSn system was applied for alkaloidal fractions of the Unonopsis…”
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Asperelines Produced by the Endophytic Fungus Trichoderma asperelloides From the Aquatic Plant Victoria amazonica by Fernandes, Kamila Rangel Primo, de Souza, Antonia Queiroz Lima, dos Santos, Lane Alencar, Nogueira, Fábio César Sousa, Evaristo, Joseph Albert Medeiros, Carneiro, Gabriel Reis Alves, da Silva, Gilvan Ferreira, da Cruz, Jeferson Chagas, Sousa, Thiago Fernandes, da Silva, Sarah Raquel Silveira, dos Santos Bastos, Ivanildes, Orlandi, Patrícia Puccinelli, de Souza, Afonso Duarte Leão

“…Asperelines, a family of linear peptides, produced by Trichoderma asperelloides , an endophytic strain from Victoria amazonica (Poepp.) J.C. Sowerby,…”
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Constituintes químicos e atividade Leishmanicida de Gustavia elliptica (Lecythidaceae) by Almeida, Maria de Fátima Oliveira, Melo, Ana Cláudia Rodrigues de, Pinheiro, Maria Lúcia Belém, Silva, Jefferson Rocha de Andrade, Souza, Afonso Duarte Leão de, Barison, Andersson, Campos, Francinete Ramos, Amaral, Ana Cláudia Fernandes, Machado, Gerzia Maria de Carvalho, Leon, Leonor Laura Pinto

“…The phytochemical investigation of the stem bark and leaves of G. elliptica provided a mixture of the norisoprenoids blumenol B and 6-epiblumenol B along with…”
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Constituintes químicos de Gustavia augusta L. (Lecythidaceae) by Souza, Afonso Duarte Leão de, Rocha, Arnaldo F. Imbiriba da, Pinheiro, Maria Lúcia Belém, Andrade, Carlos Humberto de S., Galotta, Ana Lúcia de A. Queiroz, Santos, Maria do Perpétuo Socorro S. dos

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Full NMR analysis of annomontine, methoxy- annomontine and N-hydroxyannomontine pyrimidine-β-carboline alkaloids by Costa, Emmanoel Vilaça, Pinheiro, Maria Lúcia Belém, de Souza, Afonso Duarte Leão, dos Santos, Adriane Gama, Campos, Francinete Ramos, Ferreira, Antonio Gilberto, Barison, Andersson

“…Using modern NMR techniques, including 1H13C and 1H15N heteronuclear correlation experiments, the complete and unambiguous 1H, 13C, and 15N NMR chemical…”
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Atividade antimicrobiana de fungos endofíticos isolados de plantas tóxicas da amazônia: Palicourea longiflora (aubl.) rich e Strychnos cogens bentham by Souza, Antonia Queiroz Lima de, Souza, Afonso Duarte Leão de, Astolfi Filho, Spartaco, Pinheiro, Maria Lúcia Belém, Sarquis, Maria Inez de Moura, Pereira, José Odair

“…Das plantas tóxicas da Amazônia Palicourea longiflora e Strychnos cogens foram isolados 571 fungos endofíticos e 74 bactérias endofíticas. Palicourea…”
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Atividade antimicrobiana de fungos endofíticos isolados de plantas tóxicas da amazônia: Palicourea longiflora (aubl.) rich e Strychnos cogens bentham Antimicrobial activity of endophytic fungi isolated from amazonian toxic plants: Palicourea longiflora (aubl.) rich and Strychnos cogens bentham by Antonia Queiroz Lima de Souza, Afonso Duarte Leão de Souza, Spartaco Astolfi Filho, Maria Lúcia Belém Pinheiro, Maria Inez de Moura Sarquis, José Odair Pereira

“…Das plantas tóxicas da Amazônia Palicourea longiflora e Strychnos cogens foram isolados 571 fungos endofíticos e 74 bactérias endofíticas. Palicourea…”
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Atividade antimicrobiana de fungos endofíticos isolados de plantas tóxicas da amazônia: Palicourea longiflora (aubl.) rich e Strychnos cogens bentham by Souza, Antonia Queiroz Lima de(Universidade Federal de São Carlos ,Universidade Federal do Amazonas), Souza, Afonso Duarte Leão de(Universidade Federal do Amazonas), Astolfi Filho, Spartaco(Universidade Federal do Amazonas), Pinheiro, Maria Lúcia Belém(Universidade Federal do Amazonas), Sarquis, Maria Inez de Moura(Fundação Oswaldo Cruz), Pereira, José Odair(Universidade Federal do Amazonas)

“…Das plantas tóxicas da Amazônia Palicourea longiflora e Strychnos cogens foram isolados 571 fungos endofíticos e 74 bactérias endofíticas. Palicourea…”
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