Search Results - "de Medeiros, Livia S."

Pleonotoquinones, Cytotoxic Oxepinenaphthoquinones from Pleonotoma jasminifolia by Anselmo, Leandro T., de Souza, Thalisson A., Brito, Thiago A. M., Peres, Eldrinei G., da Silva, Felipe M. A., Silva, Valdenizia R., Santos, Luciano de S., Soares, Milena B. P., Bezerra, Daniel P., Costa, Emmanoel V., Sipoloni, Victor M., de Medeiros, Lívia S., da Silva, Marcelo S., Tavares, Josean F., Gomes, Waldireny R., Koolen, Hector H. F.

“…Two unusual naphthoquinones, named here as pleonotoquinones A (1) and B (2), were isolated along with two known anthraquinones (3 and 4) via chromatographic…”
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Structure-Based Molecular Networking for the Target Discovery of Oxahomoaporphine and 8‑Oxohomoaporphine Alkaloids from Duguetia surinamensis by Paz, Weider H. P, de Oliveira, Rodolfo N, Heerdt, Gabriel, Angolini, Célio F. F, S. de Medeiros, Lívia, Silva, Valdenizia R, Santos, Luciano S, Soares, Milena B. P, Bezerra, Daniel P, Morgon, Nelson H, Almeida, Jackson R. G. S, da Silva, Felipe M. A, Costa, Emmanoel V, Koolen, Hector H. F

“…In addition to seven known alkaloids (2, 6–11) and 1,2,4-trimethoxybenzene (1), three isoquinoline-derived alkaloids (3–5), namely, duguetinine (3), a compound…”
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Cyclopiamines C and D: Epoxide Spiroindolinone Alkaloids from Penicillium sp. CML 3020 by Kildgaard, Sara, de Medeiros, Lívia S, Phillips, Emma, Gotfredsen, Charlotte H, Frisvad, Jens C, Nielsen, Kristian F, Abreu, Lucas M, Larsen, Thomas O

“…Cyclopiamines C (1) and D (2) were isolated from the extract of Penicillium sp. CML 3020, a fungus sourced from an Atlantic Forest soil sample. Their…”
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Understanding the cytotoxic effects of new isovanillin derivatives through phospholipid Langmuir monolayers by de Carvalho, Ana C., Girola, Natália, de Figueiredo, Carlos R., Machado, André C., de Medeiros, Lívia S., Guadagnin, Rafael C., Caseli, Luciano, Veiga, Thiago A.M.

“…[Display omitted] •Hydroxymethyl and alkyl groups decrease IC50 values and increase the selectivity.•Modifications modulate the interaction with the membrane…”
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Cupuaçu (Theobroma grandiflorum): A Multifunctional Amazonian Fruit with Extensive Benefits by da Silva, Carlos V.A., Salimo, Zeca M., de Souza, Thalisson A., Reyes, David E., Bassicheto, Milena C., de Medeiros, Livia S., Sartim, Marco A., de Carvalho, Josiane C., Gonçalves, José Francisco C., Monteiro, Wuelton M., Tavares, Josean F., de Melo, Gisely C., da Silva, Felipe M.A., Bataglion, Giovana A., Koolen, Hector H.F.

“…[Display omitted] •T. grandiflorum cultivation in the Brazilian Amazon is essential for traditional communities’ bioeconomy and environmental…”
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Identification of flavonoid‐3‐O‐glycosides from leaves of Casearia arborea (Salicaceae) by UHPLC‐DAD‐ESI‐HRMS/MS combined with molecular networking and NMR by Santos, Augusto L., Soares, Marisi G., Medeiros, Lívia S., Ferreira, Marcelo J.P., Sartorelli, Patricia

“…Introduction Casearia is an essential source of cytotoxic highly oxidised clerodane diterpenes, in addition to phenolics, flavonoids, and glycoside…”
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Annotation of Alkaloids of Fusaea longifolia and Evaluation of Anti-Plasmodium Activity in vitro and in silico by Adrião, Asenate, da Silva, Carlos, Araujo, Morgana, Paz, Weider, de Medeiros, Lívia, da Silva, Felipe, Bezerra, Daniel, Salimo, Zeca, Monteiro, Wuelton, de Melo, Gisely, Costa, Emmanoel, Tavares, Josean, Koolen, Hector

“…Isoquinoline alkaloids, especially from the Annonaceae family, have shown biological potential against parasites. Thus, this study aimed to evaluate the…”
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Discovery of dual PKS involved in sclerotiorin biosynthesis in Penicillium meliponae using genome mining and gene knockout by Sousa, Thiago F., de Araújo Júnior, Moysés B., Peres, Eldrinei G., Souza, Mayane P., da Silva, Felipe M. A., de Medeiros, Lívia S., de Souza, Afonso D. L., de Souza, Antonia Q. L., Yamagishi, Michel E. B., da Silva, Gilvan F., Koolen, Hector H. F., De Queiroz, Marisa V.

“…Fungi of the genus Penicillium section Sclerotiora have as their main characteristic the presence of orange-pigmented mycelium, which is associated with…”
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Dereplication of Sclerotiorin-Like Azaphilones Produced by Penicillium meliponae Using LC-MS/MS Analysis and Molecular Networking by Peres, Eldrinei, Souza, Mayane, Sousa, Thiago, da Silva, Carlos, Barros, André, da Silva, Felipe, Costa, Emmanoel, de Medeiros, Lívia, Forim, Moacir, de Souza, Afonso, Paz, Weider, da Silva, Gilvan, de Souza, Antonia, Koolen, Hector

“…Penicillium meliponae, a recently described and rare species, was isolated as an endophytic fungus from the Amazonian plant Duguetia sthelechantha, and has…”
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Dereplication-guided isolation of depsides thielavins S-T and lecanorins D-F from the endophytic fungus Setophoma sp by de Medeiros, Lívia S, Abreu, Lucas M, Nielsen, Anita, Ingmer, Hanne, Larsen, Thomas O, Nielsen, Kristian F, Rodrigues-Filho, Edson

“…Dereplication methodology using UHPLC-DAD-QTOFMS was applied during the metabolic profiling investigation of the endophyte Setophoma sp., a fungus isolated…”
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Penicillium amapaense sp. nov., section Exilicaulis, and new records of Penicillium labradorum in Brazil isolated from Amazon River sediments with potential applications in agriculture and biotechnology by da Silva, Ingride Jarline S., Sousa, Thiago F., de Queiroz, Claudia Afras, dos Santos Castro, Gleucinei, Caniato, Fernanda F., de Medeiros, Lívia S., Angolini, Célio F. F., Hanada, Rogério E., Koolen, Hector Henrique Ferreira, da Silva, Gilvan Ferreira

“…Species of Penicillium sect. Exilicaulis are responsible for the production of antimicrobial compounds, but they can also produce genotoxic compounds that…”
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Larvicidal Activity of Beauveria bassiana Extracts against Aedes aegypti and Identification of Beauvericins by Daniel, Juliana, Silva, Andressa, Nakagawa, Danielle, de Medeiros, Lívia, Carvalho, Mário, Tavares, Lucineli, Abreu, Lucas, Rodrigues-Filho, Edson

“…Beauveria bassiana is an entomopathogenic fungus that has been well known for its capacity to act as biopesticide on various disease vectors. The analysis of…”
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Rapid Detection of ACTG- and AK-Toxins in Alternaria alternata by LC-ESI-MS/MS Analysis and Antifungal Properties of Citrus Compounds by Prieto, Kátia R., Medeiros, Lívia S. de, Isidoro, Marsele M., Toffano, Leonardo, Silva, Maria Fátima G. F. da, Fernandes, João B., Vieira, Paulo C., Forim, Moacir R., Rodrigues-Filho, Edson, Stuart, Rodrigo M., Machado, Marcos A.

“…A methanol-soluble fraction of the dichloromethane extract from the culture broth of A. alternata AT4303 strain afforded the following five known mycotoxins:…”
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Mauritic acid: a new dammarane triterpene from the roots of Mauritia flexuosa L.f. (Arecaceae) by Koolen, Hector H.F., Soares, Elzalina R., da Silva, Felipe M.A., de Oliveira, Aimêe A., de Souza, Antonia Q.L., de Medeiros, Lívia S., Rodrigues-Filho, Edson, Cavalcanti, Bruno C., Pessoa, Cláudia O., Moraes, Manoel O., Salvador, Marcos J., de Souza, Afonso D.L.

“…A new dammarane triterpene named mauritic acid (1) was isolated from the roots of Mauritia flexuosa L.f. The complete structural assignment of this new…”
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Evaluation of herbicidal potential of depsides from Cladosporium uredinicola, an endophytic fungus found in Guava fruit by Medeiros, Lívia S. de, Sampaio, Olívia M., Silva, Maria Fátima das G. F. da, Rodrigues Filho, Edson, Veiga, Thiago André M.

“…Two natural products produced by Cladosporium uredinicola, an endophytic fungus isolated from guava fruit, were evaluated for their effects on photosynthesis…”
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Development and validation of a rapid LC-MS/MS method for the quantification of mycosporines and mycosporine-like amino acids (MAAs) from cyanobacteria by Geraldes, Vanessa, de Medeiros, Lívia S., Jacinavicius, Fernanda R., Long, Paul F., Pinto, Ernani

“…Mycosporines and mycosporine-like amino acids are ultra-violet radiation absorbing compounds produced by lichens, fungi, algae and cyanobacterial species,…”
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Lipopeptide-enriched extracts of Bacillus velezensis B157 for controlling tomato early blight by da Silva Junior, Amarildo L., Borges, Álefe V., da Silva, Hiago Antonio O., Leite, Iris Carolina H.L., Alves, Kaique S., de Medeiros, Lívia S., Abreu, Lucas M.de

“…Bacillus strains used in plant disease control produce cyclic lipopeptides (LPs) with antifungal activities. The LP concentration in Bacillus-cell suspensions…”
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Editorial: Celebration of the natural products division of the Brazilian chemical society by Sandjo, Louis P., de Medeiros, Lívia S., Koolen, Hector H. F., Severino, Vanessa G. P.

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Dereplication of Aporphine Alkaloids by UHPLC-HR-ESI-MS/MS and NMR from Duguetia lanceolata St.-Hil (Annonaceae) and Antiparasitic Activity Evaluation by Dantas, Erick, Monteiro, Jackson, de Medeiros, Lívia, Romanelli, Maiara, Amaral, Maiara, Tempone, Andre, Lago, João Henrique, Soares, Marisi, Sartorelli, Patricia

“…Although the genus Duguetia is well known for producing alkaloids as chemical constituents, there are no reports of alkaloids identified in the species D…”
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Molecular network for accessing polyketide derivatives from Phomopsis sp., an endophytic fungus of Casearia arborea (Salicaceae) by Santos, Augusto L., Ionta, Marisa, Horvath, Renato, Soares, Marisi G., Medeiros, Lívia S. de, Uemi, Miriam, Kawafune, Eunizinis S., Tangerina, Marcelo M.P., Ferreira, Marcelo J.P., Sartorelli, Patricia

“…[Display omitted] •Casearia genus has chemistry from the plant microbiota still unknown.•The endophytic fungus Phomopsis sp. was isolated from leaves of C…”
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