Search Results - "Seigler, David S."

Assessments of Ceanothanes Triterpenes as Cholinesterase Inhibitors: An Investigation of Potential Agents with Novel Inspiration for Drug Treatment of Neurodegenerative Diseases by Muñoz-Nuñez, Evelyn, Quiroz-Carreño, Soledad, Pastene-Navarrete, Edgar, Seigler, David S, Céspedes-Acuña, Carlos, Martínez Valenzuela, Ignacio, Oppliger Muñoz, Martina, Salas-Burgos, Alexis, Alarcón-Enos, Julio

“…The purpose of this study was to determine the inhibitory capacity of ceanothanes triterpenes isolate from Chilean Rhamnaceae on acetylcholinesterase (AChE)…”
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Do Certain Flavonoid IMPS Have a Vital Function? by Seigler, David S, Friesen, J Brent, Bisson, Jonathan, Graham, James G, Bedran-Russo, Ana, McAlpine, James B, Pauli, Guido F

“…Flavonoids are a vast group of metabolites that are essential for vascular plant physiology and, thus, occur ubiquitously in plant-based/-derived foods. The…”
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Inhibition on cholinesterase and tyrosinase by alkaloids and phenolics from Aristotelia chilensis leaves by Cespedes, Carlos L., Balbontin, Cristian, Avila, Jose G., Dominguez, Mariana, Alarcon, Julio, Paz, Cristian, Burgos, Viviana, Ortiz, Leandro, Peñaloza-Castro, Ignacio, Seigler, David S., Kubo, Isao

“…It is reported in this study the effect of isolates from leaves of Aristotelia chilensis as inhibitors of acetylcholinesterase (AChE), butyrylcholinesterase…”
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The genus Artemisia (Asteraceae: Anthemideae) at a continental crossroads: Molecular insights into migrations, disjunctions, and reticulations among Old and New World species from a Beringian perspective by Riggins, Chance W., Seigler, David S.

“…[Display omitted] ► A phylogeny of New and Old World Artemisia was constructed using ITS and cpDNA loci. ► Thirteen cpDNA regions were surveyed for their…”
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Quantum Mechanics-Based Structure Analysis of Cyclic Monoterpene Glycosides from Rhodiola rosea by Tang, Yu, Friesen, J. Brent, Lankin, David C, McAlpine, James B, Nikolić, Dejan S, Niemitz, Matthias, Seigler, David S, Graham, James G, Chen, Shao-Nong, Pauli, Guido F

“…NMR- and MS-guided metabolomic mining for new phytoconstituents from a widely used dietary supplement, Rhodiola rosea, yielded two new (+)-myrtenol glycosides,…”
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Dihydroagarofuranoid Sesquiterpenes as Acetylcholinesterase Inhibitors from Celastraceae Plants: Maytenus disticha and Euonymus japonicus by Alarcón, Julio, Cespedes, Carlos L, Muñoz, Evelyn, Balbontin, Cristian, Valdes, Francisco, Gutierrez, Margarita, Astudillo, Luis, Seigler, David S

“…Natural cholinesterase inhibitors have been found in many biological sources. Nine compounds with agarofuran (epoxyeudesmane) skeletons were isolated from…”
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Molecular Phylogenetics of Parasenegalia and Pseudosenegalia (Fabaceae: Mimosoideae) by Miller, Joseph T., Terra, Vanessa, Riggins, Chance, Ebinger, John E., Seigler, David S.

“…Studies have shown that the genus Acacia Miller s. l. is polyphyletic, consisting of at least seven distinct groups of species. One of these major groups,…”
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The impact of Andean Patagonian mycoflora in the search for new lead molecules by Aqueveque, Pedro M., Cespedes, Carlos L., Kubo, Isao, Seigler, David S., Sterner, Olov

“…Secondary metabolites from fungi have become a major source of chemical innovation in programs searching for lead molecules with bioactivities, especially over…”
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Calceolaria integrifolia s.l. complex, reduces feeding and growth of Acanthoscelides obtectus, and Epilachna varivestis. A new source of bioactive compounds against dry bean pests by Cespedes, Carlos L., Lina-Garcia, Laura, Kubo, Isao, Salazar, Juan R., Ariza-Castolo, Armando, Alarcon, Julio, Aqueveque, Pedro, Werner, Enrique, Seigler, David S.

“…[Display omitted] •Extracts and fractions from C. integrifolia sensu lato complex showed inhibitory activity against A. obtectus and E. varivestis.•The IC50…”
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Cyclopeptide Alkaloids from Discaria chacaye (Rhamnaceae) as Result of Symbiosis with Frankia (Actinomycetales) by Quiroz‐Carreño, Soledad, Muñoz‐Nuñez, Evelyn, Silva, Fabiana L., Devotto‐Moreno, Luis, Seigler, David S., Pastene‐Navarrete, Edgar, Cespedes‐Acuña, Carlos L., Alarcon‐Enos, Julio

“…Cyclopeptide alkaloids with different biological activities are present in plants of the family Rhamnaceae. Plants of this family grow in a symbiotic…”
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New environmentally-friendly antimicrobials and biocides from Andean and Mexican biodiversity by Cespedes, Carlos L., Alarcon, Julio, Aqueveque, Pedro M., Lobo, Tatiana, Becerra, Julio, Balbontin, Cristian, Avila, Jose G., Kubo, Isao, Seigler, David S.

“…Persistent application of pesticides often leads to accumulation in the environment and to the development of resistance in various organisms. These chemicals…”
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Identification of structurally diverse alkaloids in Talguenea quinquinervia (gill. Et hook) by liquid chromatography/electrospray ionisation tandem mass spectroscopy and insecticidal activity by Quiroz‐Carreño, Soledad, Céspedes‐Acuña, Carlos L., Seigler, David S., Alarcón‐Enos, Julio

“…Introduction Talguenea quinquinervia has been used in folk medicine and to dye wool, and the main constituents are alkaloids and triterpenes. Identification of…”
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Advances in Legume Systematics 14. Classification of Caesalpinioideae. Part 2: Higher-level classification by Bruneau, Anne, de Queiroz, Luciano Paganucci, Ringelberg, Jens J, Borges, Leonardo M, Bortoluzzi, Roseli Lopes da Costa, Brown, Gillian K, Cardoso, Domingos B O S, Clark, Ruth P, Conceição, Adilva de Souza, Cota, Matheus Martins Teixeira, Demeulenaere, Else, de Stefano, Rodrigo Duno, Ebinger, John E, Ferm, Julia, Fonseca-Cortés, Andrés, Gagnon, Edeline, Grether, Rosaura, Guerra, Ethiéne, Haston, Elspeth, Herendeen, Patrick S, Hernández, Héctor M, Hopkins, Helen C F, Huamantupa-Chuquimaco, Isau, Hughes, Colin E, Ickert-Bond, Stefanie M, Iganci, João, Koenen, Erik J M, Lewis, Gwilym P, de Lima, Haroldo Cavalcante, de Lima, Alexandre Gibau, Luckow, Melissa, Marazzi, Brigitte, Maslin, Bruce R, Morales, Matías, Morim, Marli Pires, Murphy, Daniel J, O'Donnell, Shawn A, Oliveira, Filipe Gomes, Oliveira, Ana Carla da Silva, Rando, Juliana Gastaldello, Ribeiro, Pétala Gomes, Ribeiro, Carolina Lima, Santos, Felipe da Silva, Seigler, David S, da Silva, Guilherme Sousa, Simon, Marcelo F, Soares, Marcos Vinícius Batista, Terra, Vanessa

“…Caesalpinioideae is the second largest subfamily of legumes (Leguminosae) with ca. 4680 species and 163 genera. It is an ecologically and economically…”
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Cyanogenic allosides and glucosides from Passiflora edulis and Carica papaya by Seigler, David S., Pauli, Guido F., Nahrstedt, Adolf, Leen, Rosemary

“…Leaf and stem material of Passiflora edulis (Passifloraceae) contains the new cyanogenic glycosides (2 R)–β- d-allopyranosyloxy-2-phenylacetonitrile ( 1a) and…”
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In the search for new secondary metabolites with biopesticidal properties by Céspedes, Carlos L, Alarcon, Julio E, Aqueveque, Pedro, Seigler, David S, Kubo, Isao

“…Secondary metabolites are involved in diverse functions in plants, including defense and protective processes. Information concerning the biosynthesis of…”
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Biosynthesis and Characterization of 14C-Enriched Flavonoid Fractions from Plant Cell Suspension Cultures by Yousef, Gad G, Seigler, David S, Grusak, Michael A, Rogers, Randy B, Knight, Christopher T. G, Kraft, Tristan F. B, Erdman, John W, Lila, Mary Ann

“…A range of radiolabeled anthocyanins, proanthocyanidins, and other flavonoids were accumulated by cell suspension cultures of two plant species, ohelo…”
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Vachellia X Cedilloi (L. Rico) Seigler & Ebinger (Fabaceae: Mimosoideae), a Probable Hybrid of Two Species of Ant-Acacias by Ebinger, John E, Seigler, David S

“…Principal-coordinate analysis suggests that Vachellia × cedilloi is of hybrid origin. Probable parents are V. cornigera and V. globulifera. This putative…”
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A comparative evaluation of the anticancer properties of European and American elderberry fruits by Thole, Julie M, Kraft, Tristan F Burns, Sueiro, Lilly Ann, Kang, Young-Hwa, Gills, Joell J, Cuendet, Muriel, Pezzuto, John M, Seigler, David S, Lila, Mary Ann

“…European elderberry (Sambucus nigra), recognized in Europe for its health-promoting properties for many generations, is known to contain a range of…”
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Composition of a Chemopreventive Proanthocyanidin-Rich Fraction from Cranberry Fruits Responsible for the Inhibition of 12-O-Tetradecanoyl Phorbol-13-acetate (TPA)-Induced Ornithine Decarboxylase (ODC) Activity by Kandil, Fayez E., Smith, Mary Ann L., Rogers, Randy B., Pépin, Marie-France, Song, Lynda L., Pezzuto, John M., Seigler, David S.

“…Phenolics from the American cranberry (Vaccinium macrocarpon) were fractionated into a series of proanthocyanidins and other flavonoid compounds by vacuum…”
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Influence of Alternative Liquid Chromatography Techniques on the Chemical Complexity and Bioactivity of Isolated Proanthocyanidin Mixtures by Alwerdt, Jessica L, Seigler, David S, Gonzalez de Mejia, Elvira, Yousef, Gad G, Lila, Mary Ann

“…Extracts rich in proanthocyanidins, which are implicated in multiple human health benefits, were comparatively separated using alternative separation methods…”
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