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Helder Lopes Teles

Observed names: Helder L. Teles, Teles, Helder L., Teles, Helder Lopes
ORCID: 0000-0001-9341-4605
Observed ORCID: 0000-0001-9341-4605
OpenAlex ID: A5066693476
Cadinane sesquiterpenoids of Phomopsis cassiae, an endophytic fungus associated with Cassia spectabilis (Leguminosae)
2006 · Geraldo Humberto Silva, Helder Lopes Teles, et al. · Phytochemistry · 154
Sesquiterpenes from Xylaria sp., an endophytic fungus associated with Piper aduncum (Piperaceae)
2010 · Geraldo H. Silva, Camila M. de Oliveira, et al. · Phytochemistry Letters · 77
New bioactive metabolites produced by Phomopsis cassiae, an endophytic fungus in Cassia spectabilis
2005 · Geraldo H. Silva, Helder L. Teles, et al. · Journal of the Brazilian Chemical Society · 73
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Aromatic compounds produced by Periconia atropurpurea, an endophytic fungus associated with Xylopia aromatica
2006 · Helder Lopes Teles, Renata Sordi, et al. · Phytochemistry · 67
Substâncias antifúngicas de Xylaria sp., um fungo endofítico isolado de Palicourea marcgravii (Rubiaceae)
2005 · Mariana C. Cafêu, Geraldo H. Silva, et al. · Química Nova · 60
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Cytotoxic lignans from the stems ofStyrax camporum(Styracaceae)
2005 · Helder L. Teles, Jefferson P. Hemerly, et al. · Natural Product Research · 52
Benzopyrans from Curvularia sp., an endophytic fungus associated with Ocotea corymbosa (Lauraceae)
2005 · Helder Lopes Teles, Geraldo Humberto Silva, et al. · Phytochemistry · 49
Antifungal metabolites from Colletotrichum gloeosporioides, an endophytic fungus in Cryptocarya mandioccana Nees (Lauraceae)
2006 · Maysa L. Inácio, Geraldo H. Silva, et al. · Biochemical Systematics and Ecology · 44
Cytotoxic prenylated indole alkaloid produced by the endophytic fungus Aspergillus terreus P63
2019 · Juliana R. Gubiani, Michele C.S. Oliveira, et al. · Phytochemistry Letters · 40
Lactone Derivatives Produced by a Phaeoacremonium sp., an Endophytic Fungus from Senna spectabilis
2017 · Geraldo H. Silva, Maria L. Zeraik, et al. · Journal of Natural Products · 34
Validated HPLC method for the standardization of Phyllanthus niruri (herb and commercial extracts) using corilagin as a phytochemical marker
2009 · Renata Colombo, Andrea N. de L. Batista, et al. · Biomedical Chromatography · 32
Citocalasinas produzidas por Xylaria sp., um fungo endofítico de Piper aduncum (piperaceae)
2010 · Geraldo H. Silva, Camila M. de Oliveira, et al. · Química Nova · 23
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The Styracaceae
2006 · Patrícia M. Pauletti, Helder L. Teles, et al. · Revista Brasileira de Farmacognosia · 23
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Discovery of lead natural products for developing pan-SARS-CoV-2 therapeutics
2022 · Jimena Pérez-Vargas, Tirosh Shapira, et al. · Antiviral Research · 21
Endophytic fungi producing of esterases: evaluation in vitro of the enzymatic activity using pH indicator
2013 · Helen Cristina Fávero Lisboa, Carolina Rabal Biasetto, et al. · Brazilian Journal of Microbiology · 16
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Cyclo-(TRP-PHE) diketopiperazines from the endophytic fungus Aspergillus versicolor isolated from Piper aduncum
2016 · Juliana Regina Gubiani, Helder Lopes Teles, et al. · Química Nova · 12
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Oxidative stress induction by crude extract of Xylaria sp. triggers lethality in the larvae of Aedes aegypti (Diptera: Culicidae)
2022 · Maria Beatriz Silva Costa, Rejane de Castro Simões, et al. · Revista da Sociedade Brasileira de Medicina Tropical · 11
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The new koninginins T-U from Phomopsis stipata, an endophytic fungus isolated from Styrax camporum Pohl
2020 · Carolina R. Biasetto, Andressa Somensi, et al. · Phytochemistry Letters · 11
New tetra-acetylated oligosaccharide diterpene from Cupania vernalis
2001 · Simone B. T. Cavalcanti, Helder L. Teles, et al. · Journal of the Brazilian Chemical Society · 11
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Development and validation of a HPLC method for standardization of herbal and commercial extracts of Myrcia uniflora
2011 · Andrea N. de L. Batista, Renata Colombo, et al. · Revista Brasileira de Farmacognosia · 9
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Removal of the pesticide methomyl contained in simulated effluent from equipment washing by adsorption in residual orange bagasse
2020 · Thiago Ruiz Zimmer, Jailton Marques Silva, et al. · Research Society and Development · 8
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In Vitro and In Vivo Leishmanicidal Activity of Beauvericin
2024 · Virlânio A. de Oliveira Filho, Juliana R. Gubiani, et al. · Journal of Natural Products · 5
Antimicrobial metabolites produced by endophytic fungi associated with the leaves of Vochysia divergens
2023 · Jéssica A. de M. Souza, Juliana R. Gubiani, et al. · Natural Product Research · 5
Sesquiterpenos produzidos pelo fungo endofítico Phomopsis cassiae com atividade antifúngica e inibidora de acetilcolinesterase
2012 · Lisinéia M. Zanardi, Vanderlan da S. Bolzani, et al. · Química Nova · 5
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Endophytic fungus Phomopsis sp. as a source of 3-nitropropionic acid with larvicidal activity against Aedes aegypti (Linnaeus 1762, Diptera: Culicidae)
2022 · Armando da Costa Garcia, Orivaldo Teixeira de Menezes Júnior, et al. · Revista da Sociedade Brasileira de Medicina Tropical · 3
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Works count: 37
Citation count: 846
H-index: 15
I10-index: 19
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