Results 1 to 10 of about 1,418 (167)

Screening of Natural Products Inhibitors of SARS-CoV-2 Entry [PDF]

Molecules, 2022
The COVID-19 pandemic has led to the search for new molecules with antiviral activity against SARS-CoV-2. The entry of the virus into the cell is one of the main targets for inhibiting SARS-CoV-2 infection. Natural products are an important source of new
Pamela González-Maldonado, Nelson Alvarenga, Alberto Burgos-Edwards, Ma. Eugenia Flores-Giubi, Javier E. Barúa, Ma. Cristina Romero-Rodríguez, Ricardo Soto-Rifo, Fernando Valiente-Echeverría, Patricia Langjahr, Guadalupe Cantero-González, Pablo H. Sotelo   +10 more
doaj   +2 more sources

Palynology of the Genus Stachytarpheta Vahl. (Verbenaceae) [PDF]

Notulae Scientia Biologicae, 2010
The exine morphology of pollen grains of Stachytarpheta indica (Linn.) Vahl, Stachytarpheta cayennensis (Rich.) Vahl and Stachytarpheta angustifolia (Mill.) Vahl is reported. This study was carried out with a light microscope.
Olubukola ADEDEJI
doaj   +4 more sources

Macrofilaricidal Activity, Acute and Biochemical Effects of Three Lichen Species Found on Mount Cameroon [PDF]

Journal of Parasitology Research, Volume 2022, Issue 1, 2022., 2022
Onchocerciasis is a parasitic infection affecting a relatively small population globally but has very devastating pathological outcomes. Ivermectin and recently moxidectin are the only drugs approved for clinical management of the disease, both of which have several limitations.
Thierry Roland Kang, Jerome Nyhalah Dinga, Ayuk Elizabeth Orock, Elvis Monya, Moses Njutain Ngemenya, Lizandra Guidi Magalhães   +5 more
wiley   +2 more sources

A rusticidade do milho crioulo pode lhe proteger da influência alelopática de Stachytarpheta cayennensis (LC. Rich.) Vahl.? [PDF]

Revista Thema, 2022
Há tempos que se tem conhecimento da importância da alelopatia como mecanismo ecológico de interação entre espécies, que pode afetar os organismos que interagem em determinados ambientes. Entretanto, há necessidade de aprofundar o conhecimento de como as
Teli Cristiane Brekowiec Kremer, Ricardo Adriano Felito, Oscar Mitsuo Yamashita, Adriano Maltezo da Rocha, Aureane Cristina Teixeira Ferreira Cãndido, Marco Antonio Camillo de Carvalho, Ivone Vieira da Silva   +6 more
doaj   +2 more sources

Verbenaceae in Itacolomi State Park, Minas Gerais, Brazil: richness, geographical distribution, and a new synonym for Stachytarpheta commutata [PDF]

Rodriguésia, 2023
Verbenaceae includes 32 genera and approximately 800 species distributed mainly in the Neotropical region, especially diversified in Brazil, where the campo rupestre stands out as an important vegetation type for the family. The Itacolomi State Park (ISP)
Vitor Araújo da Silva, Pedro Henrique Cardoso, Livia Echternacht   +2 more
doaj   +1 more source

Photosynthetic characteristics of the invasive weed Chromolaena odorata and other co‐occurring species in KwaZulu‐Natal

African Journal of Ecology, Volume 61, Issue 2, Page 277-288, June 2023., 2023
Abstract In this study, we tested the hypothesis that photosynthetic characteristics contributed to the success and spread of the invasive, C3 perennial weed, Chromolaena odorata (L.) R. M. King & H. Rob. Measurements of gas exchange, chlorophyll fluorescence and water relations parameters were taken in summer and winter, as well as in sun and shade ...
Kubendran Kista Naidoo, Gonasageran Naidoo   +1 more
wiley   +1 more source

Pest categorisation of Paracoccus marginatus

EFSA Journal, Volume 21, Issue 3, March 2023., 2023
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Paracoccus marginatus (Hemiptera: Sternorrhyncha: Pseudococcidae), the papaya scale, for the EU. It is native to Central America and since the 1990s, it has spread rapidly in mainly tropical areas of the Caribbean, islands in the Indian and Pacific Oceans, Africa and southern ...
EFSA Panel on Plant Health (PLH), Claude Bragard, Paula Baptista, Elisavet Chatzivassiliou, Francesco Di Serio, Paolo Gonthier, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas‐Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Emilio Stefani, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Jean‐Claude Grégoire, Chris Malumphy, Virag Kertesz, Andrea Maiorano, Alan MacLeod   +24 more
wiley   +1 more source

Morphological and Cytological Characterization of Five Porterweed (Stachytarpheta) Selections

HortScience, 2021
Porterweed (Stachytarpheta spp.), a member of the verbena family, is frequently used in pollinator gardens to attract butterflies. This study was conducted to assess the morphological features, pollen stainability and morphology, nuclear DNA content, and
Renjuan Qian, S. Brooks Parrish, Sandra B. Wilson, Gary W. Knox, Zhanao Deng   +4 more
doaj   +1 more source

Activity of extracts from three tropical plants towards fungi pathogenic to tomato (Solanum lycopersicum)

Phytopathologia Mediterranea, 2020
Antifungal properties were assessed of water and ethanol extracts from the pan-tropical plants Oxalis barrelieri L., Stachytarpheta cayennensis L., and Euphorbia hirta L. against Fusarium oxysporum f. sp.
Pascal Noël MEKAM, Serena MARTINI, Julienne NGUEFACK, Davide TAGLIAZUCCHI, Ghislaine Ndonkeu MANGOUMOU, Emilio STEFANI   +5 more
doaj   +1 more source

Potential for seed bank formation of two weed species from Brazilian Amazonia Potencial para a formação de banco de sementes de duas espécies de plantas daninhas da Amazônia brasileira

Planta Daninha, 1999
The potential for seed bank formation of two perennial weed species, Ipomoea asarifolia (Desr.) Roem. & Schult. (Convolvulaceae) and Stachytarpheta cayennensis (Rich.) M.
Moacyr B. Dias-Filho
doaj   +1 more source