Results 21 to 30 of about 272 (148)

Biochemical Responses of Anopheles spp. Larvae to a Novel Brazilian BR101 Bacillus thuringiensis var. israelensis Formulation: Oxidative Stress, Detoxification Enzymes, and Safety for Nontarget Notonectidae and Gerridae Aquatic Insects. [PDF]

open access: yesChem Biodivers
Bti BR101 exhibits strong larvicidal activity against Anopheles larvae spp., with dose‐dependent mortality and LC50 of 3.13 µg/mL. Bti increases ROS, lipid and protein oxidation, and activates antioxidant enzymes (SOD, CAT, GPx) and detoxification pathways (MFO and esterases), indicating moderate oxidative stress.
de Oliveira Bentes IC   +14 more
europepmc   +2 more sources

Pseudomonas putida, an endophyte of Piper tuberculatum, increases the biomass of cowpea (Vigna unguiculata L.)

open access: yesRevista de Ciencias Agrícolas
Plant growth-promoting bacterial endophytes have been increasingly used in sustainable agriculture. Previous studies reported the isolation of Pseudomonas putida Pt12 with plant growth-promoting properties associated with the roots of Piper tuberculatum,
Arthur Marques Ferreira   +2 more
doaj   +2 more sources

Piplartine as an Innovative Natural Product With Dual Antiparasitic and Immunomodulatory Actions. [PDF]

open access: yesJ Immunol Res
Neglected tropical diseases (NTDs) remain a major global health burden, disproportionately affecting low‐ and middle‐income regions and demanding innovative therapeutic strategies. This review summarizes current evidence on piplartine (piperlongumine), a naturally occurring amide from Piper species with broad antiparasitic and immunomodulatory ...
Fukui-Silva L   +3 more
europepmc   +2 more sources

Amino acids L-phenylalanine and L-lysine involvement in trans and cis piperamides biosynthesis in two Piper species

open access: yesBrazilian Journal of Biology, 2023
Several Piper species accumulate piperamides as secondary metabolites, and although they have relevant biological importance, many details of their biosynthetic pathways have not yet been described experimentally.
F. Cotinguiba   +8 more
doaj   +1 more source

Tetranychus marianae McGregor, 1950 (Acari: Tetranychidae) in Piper (Piperaceae) species in the state of Pará, Brazil

open access: yesEntomological Communications, 2021
This study reports the occurrence of the phytophagous mite Tetranychus marianae McGregor, 1950 (Tetranychidae), in species of the genus Piper (P. hispidum Sw., P. marginatum Jacq., P. montealegreanum Yunk., P. peltatum L., P.
Aloyséia C. S. Noronha   +5 more
doaj   +1 more source

Rationalising the retro‐Diels‐Alder fragmentation pattern of viscutins using electrospray interface‐tandem mass spectrometry coupled to theoretical modelling

open access: yesRapid Communications in Mass Spectrometry, Volume 37, Issue 15, 15 August 2023., 2023
Rationale Although mass spectrometry (MS) is a powerful tool in structural elucidation of unknown flavonoids based on their unique fragmentation patterns, proposing the correct fragmentation mechanism is still a challenge from tandem mass spectrometry data only.
Babra Moyo   +5 more
wiley   +1 more source

Piperaceae Raddianae: A taxonomic and nomenclatural study of Giuseppe Raddi's Brazilian Piperaceae

open access: yesTAXON, Volume 72, Issue 4, Page 880-893, August 2023., 2023
Abstract Giuseppe Raddi collected in the state of Rio de Janeiro, Brazil, from November 1817 to June 1818. He published 12 new names in the family Piperaceae in an article that appeared in 1828. Raddi's article has not been cited in specialized literature and these names were never properly studied.
Elsie Franklin Guimarães   +3 more
wiley   +1 more source

Fruit secondary metabolites alter the quantity and quality of a seed dispersal mutualism

open access: yesEcology, Volume 104, Issue 5, May 2023., 2023
Abstract Plant secondary metabolites are key mechanistic drivers of species interactions. These metabolites have primarily been studied for their role in defense, but they can also have important consequences for mutualisms, including seed dispersal.
Annika S. Nelson   +3 more
wiley   +1 more source

Pest categorisation of Maconellicoccus hirsutus

open access: yesEFSA Journal, Volume 20, Issue 1, January 2022., 2022
Abstract The EFSA Panel on Plant Health performed a pest categorisation of Maconellicoccus hirsutus (Hemiptera: Pseudococcidae), the pink hibiscus mealybug, for the EU. M. hirsutus is native to Southern Asia and has established in many countries in tropical and subtropical regions throughout the world.
EFSA Panel on Plant Health (PLH)   +26 more
wiley   +1 more source

Antischistosomal Activity of Origanum majorana, Ziziphus spina-christi, and Salvia fruticosa Plant Extracts on Hamster Infected with Schistosoma haematobium

open access: yesBioMed Research International, Volume 2021, Issue 1, 2021., 2021
World Health Organization (WHO) has approved only one treatment for schistosomiasis, praziquantel (PZQ), but some poor efficacy was noticed in patients during the early stage of infection. Therefore, researchers have intensified their efforts to research new alternative medicines to treat schistosomiasis.
Yousef Abdal Jalil Fadladdin   +1 more
wiley   +1 more source

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