Results 11 to 20 of about 4,892 (188)

Novel Steroidal[17,16-d]pyrimidines Derived from Epiandrosterone and Androsterone: Synthesis, Characterization and Configuration-Activity Relationships

open access: yesMolecules, 2023
Two series of novel steroidal[17,16-d]pyrimidines derived from natural epiandrosterone and androsterone were designed and synthesized, and these compounds were screened for their potential anticancer activities.
Fei Yang   +8 more
doaj   +1 more source

Plant-Associated Bacteria as Sources for the Development of Bioherbicides

open access: yesPlants, 2022
Weeds cause significant yield losses in crop production and influence the health of animals and humans, with some exotic weeds even leading to ecological crises.
Wei Fang   +4 more
doaj   +1 more source

Chromobacterium Biopesticide Exposure Does Not Select for Resistance in Aedes Mosquitoes

open access: yesmBio, 2023
Developing effective tools to control mosquito populations is essential for reducing the incidence of diseases like malaria and dengue. Biopesticides of microbial origin are a rich, underexplored source of mosquitocidal compounds. We previously developed
Cecilia Springer Engdahl   +3 more
doaj   +1 more source

Highly efficient construction of multi-substituted aminopyrazoles derivatives via iodine-mediated three-components reaction as potential anticancer agents

open access: yesGreen Chemistry Letters and Reviews, 2023
As an important class of natural products, pyrazole alkaloids have a large number of applications in various aspects such as medicines and pesticides. Due to the special position of its amino group, 3-aminopyrazole is easy to form a hydrogen bond donor ...
Zilin Gao   +9 more
doaj   +1 more source

The complete mitochondrial genome of Bradysia impatiens (Diptera: Sciaridae)

open access: yesMitochondrial DNA. Part B. Resources, 2022
Bradysia impatiens (Johannsen, 1912) is an important pest of various mushrooms and plant seedlings, while it also damages plants as vectors transmitting pathogens. The complete B. impatiens mitogenome is 16,479 bp in length, with an A + T content of 80.6%
Yang Wang   +4 more
doaj   +1 more source

Antiviral Activity of Ailanthone from Ailanthus altissima on the Rice Stripe Virus

open access: yesViruses, 2023
Rice stripe disease caused by the rice stripe virus (RSV), which infects many Poaceae species in nature, is one of the most devastating plant viruses in rice that causes enormous losses in production.
Qingwei Tan   +6 more
doaj   +1 more source

Whole Genome Sequencing Reveals Biopesticidal Origin of Bacillus thuringiensis in Foods

open access: yesFrontiers in Microbiology, 2022
Bacillus thuringiensis is a microbial insecticide widely used to control agricultural pests. Although generally regarded as safe, B. thuringiensis is phylogenetically intermingled with the foodborne pathogen B. cereus sensu stricto and has been linked to
Michael Biggel   +6 more
doaj   +1 more source

Towards Sustainable Green Adjuvants for Microbial Pesticides: Recent Progress, Upcoming Challenges, and Future Perspectives

open access: yesMicroorganisms, 2023
Microbial pesticides can be significantly improved by adjuvants. At present, microbial pesticide formulations are mainly wettable powders and suspension concentrations, which are usually produced with adjuvants such as surfactants, carriers, protective ...
Fuyong Lin   +7 more
doaj   +1 more source

EFFECTIVENESS OF BOTANICAL BIOPESTICIDES WITH DIFFERENT CONCENTRATIONS OF TERMITE MORTALITY

open access: yesJurnal Belantara, 2021
The aim of this study was to determine the effect of  botanical biopesticide extracts and concentrations on soil termite mortality of Coptotermes curvignathus, Holmgren.
Cornelia M.A. Wattimena   +1 more
doaj   +1 more source

Napyradiomycin A4 and Its Relate Compounds, a New Anti-PRV Agent and Their Antibacterial Activities, from Streptomyces kebangsaanensis WS-68302

open access: yesMolecules, 2023
Two new napyradiomycins derivatives, napyradiomycin A4 (1) and A80915 H (2), along with five known ones, were isolated from the ethyl acetate extract of fermentation culture of Streptomyces kebangsaanensis WS-68302.
Yani Zhang   +8 more
doaj   +1 more source

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