Results 1 to 10 of about 979 (133)

Identification and characterization of a dual-acting antinematodal agent against the pinewood nematode, Bursaphelenchus xylophilus. [PDF]

open access: goldPLoS ONE, 2009
The pinewood nematode (PWN), Bursaphelenchus xylophilus, is a mycophagous and phytophagous pathogen responsible for the current widespread epidemic of the pine wilt disease, which has become a major threat to pine forests throughout the world.
Wan-Suk Oh   +9 more
doaj   +5 more sources

Novel antinematodal and antiparasitic agents from Penicillium charlesii. I. Fermentation, isolation and biological activity.

open access: bronzeThe Journal of Antibiotics, 1990
Paraherquamide and six novel analogs were isolated from the fermentation of Penicillium charlesii (ATCC 20841). All seven natural products displayed potent antinematodal activity against Caenorhabditis elegans. None of the novel analogs were more potent than paraherquamide.
J G, Ondeyka   +4 more
openaire   +4 more sources

Novel antinematodal and antiparasitic agents from Penicillium charlesii. II. Structure determination of paraherquamides B, C, D, E, F, and G.

open access: bronzeThe Journal of Antibiotics, 1990
Paraherquamides B (2, C27H33N3O4), C (3, C28H33N3O4), D (4, C28H33N3O5), E (5, C28H35N3O4), F (6, C28H35N3O3), and G (7, C28H35N3O4) are novel metabolites of Penicillium charlesii. The structures of these compounds have been determined by NMR and MS analysis.
J M, Liesch, C F, Wichmann
openaire   +4 more sources

Pharmacological effects of monoterpene carveol on the neuromuscular system of nematodes and mammals. [PDF]

open access: yesFront Pharmacol
The control of parasitic nematode infections relies mostly on anthelmintics. The potential pharmacotherapeutic application of phytochemicals, in order to overcome parasite resistance and enhance the effect of existing drugs, is becoming increasingly ...
Stojković M   +8 more
europepmc   +5 more sources

Production of tailored hydroxylated prodiginine showing combinatorial activity with rhamnolipids against plant-parasitic nematodes

open access: yesFrontiers in Microbiology, 2023
Bacterial secondary metabolites exhibit diverse remarkable bioactivities and are thus the subject of study for different applications. Recently, the individual effectiveness of tripyrrolic prodiginines and rhamnolipids against the plant-parasitic ...
D. F. Kossmann   +22 more
doaj   +1 more source

The toxicological spectrum of the Bacillus cereus toxin cereulide points towards niche‐specific specialisation

open access: yesEnvironmental Microbiology, Volume 25, Issue 11, Page 2231-2249, November 2023., 2023
Abstract Most microbes share their environmental niches with very different forms of life thereby engaging in specialised relationships to enable their persistence. The bacterium Bacillus cereus occurs ubiquitously in the environment with certain strain backgrounds causing foodborne and opportunistic infections in humans.
Sabrina Jenull   +5 more
wiley   +1 more source

Concise Total Syntheses of (+)‐Brefeldin A, Diastereomers and Analogs and Their Biological Activity

open access: yesChemistryEurope, Volume 1, Issue 2, September 1, 2023., 2023
Famous four: Radical reactions, enantioselective aldehyde vinylation, cross‐metatheses and macrolactonization serve to accomplish the total synthesis of the natural product brefeldin A (BFA) and a library of previously unknown BFA analogs over thirteen steps.
Mikhail K. Klychnikov   +4 more
wiley   +1 more source

Preparation of Polyurethane/Pluronic F127 Nanofibers Containing Peppermint Extract Loaded Gelatin Nanoparticles for Diabetic Wounds Healing: Characterization, In Vitro, and In Vivo Studies

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2021, Issue 1, 2021., 2021
Diabetic ulcer is regarded as one of the most prevalent chronic diseases. The healing of these ulcers enhances with the use of herbal extracts containing wound dressings with high antibacterial property and creating a nano‐sized controlled release system. In this study, new peppermint extract was incorporated in the polyurethane‐ (PU‐) based nanofibers
Arash Almasian   +6 more
wiley   +1 more source

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