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Sativene-Related Sesquiterpenoids with Phytotoxic and Plant-Promoting Activities from the Plant Pathogenic Fungus Based on a Molecular Networking Strategy.
J Agric Food Chem
December 2024
State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, People's Republic of China.
Sativene-related sesquiterpenoids including -sativene analogs are a large member of fungal secondary metabolites with phytotoxic and growth-promoting effects on different plants. In this report, a series of sativene-related sesquiterpenoids with diverse carbon skeletons (-, sativene/isosativene/-sativene/cyclosativene/-isosativene ring systems) were isolated from the plant pathogenic fungus based on a molecular networking strategy. The undescribed structures were elucidated based on NMR spectra, X-ray diffraction analysis, chemical derivation, and calculated electronic circular dichroism calculations.
View Article and Find Full Text PDFSimultaneous Coproduction of Xylonic Acid and Xylitol: Leveraging In Situ Hydrogen Generation and Utilization from Xylose.
ChemSusChem
December 2024
Green Carbon Research Center, Korea Research Institute of Chemical Technology, Daejeon, 34114, Republic of Korea.
Pentose oxidation and reduction, processes yielding value-added sugar-derived acids and alcohols, typically involve separate procedures necessitating distinct reaction conditions. In this study, a novel one-pot reaction for the concurrent production of xylonic acid and xylitol from xylose is proposed. This reaction was executed at ambient temperature in the presence of a base, eliminating the need for external gases, by leveraging Pt-supported catalysts.
View Article and Find Full Text PDFBiogenic synthesized CuO nanoparticles and 5-fluorouracil loaded anticancer gel for HeLa cervical cancer cells.
Discov Nano
December 2024
Department of Pharmaceutics, SRM College of Pharmacy, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India.
Cervical cancer remains a significant health challenge in developing countries are high due to low HPV vaccination rates, delayed diagnosis, and restricted healthcare access. Metal nanomaterials, such as copper oxide (CuO) nanoparticles (NPs), have shown significant promise in cancer therapy due to their ability to induce apoptosis. 5-Fluorouracil (5-Fu) enhances the cytotoxic effect against cervical cancer, working synergistically with CuO NPs to maximize the therapeutic impact while potentially reducing the 5-Fu's systemic side effects.
View Article and Find Full Text PDFA colorimetric sensor for the sensitive and rapid detection of ampicillin based on CS-Cu,Fe/HS nanozyme.
Mikrochim Acta
December 2024
Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, People's Republic of China.
A novel copper and iron doped containing chitosan and heparin sodium carbon dots (CS-Cu,Fe/HS) nanozyme was formulated through a single-step microwave digestion method. CS-Cu,Fe/HS exhibits excellent peroxidase (POD)-like activity and positive charge characteristics, and it can oxidize the negatively charged 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) in the presence of HO to produce a green compound (ox-ABTS). Furthermore, CS-Cu,Fe/HS enhances electron transfer and provides additional active sites through the valence state transformations of Fe/Fe and Cu/Cu.
View Article and Find Full Text PDFOsWRKY49 on qAT5 positively regulates alkalinity tolerance at the germination stage in Oryza sativa L. ssp. japonica.
Theor Appl Genet
December 2024
Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.
Integrated genome-wide association study and linkage mapping revealed genetic basis of alkalinity tolerance during rice germination. The key gene OsWRKY49 was further verified in transgenic plants. With the widespread use of the rice direct seeding cultivation model, improving the tolerance of rice varieties to salinity-alkalinity at the germination stage has become increasingly important.
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