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Electrosynthesis of Atomically Precise Au Nanoclusters.
Adv Sci (Weinh)
March 2025
Institute of Crystalline Materials, Shanxi University, Taiyuan, Shanxi, 030006, China.
Innovation in synthesis methodologies is crucial for advancing the discovery of new materials. This work reports the electrosynthesis of a [Au(4-BuPhC≡C)(Dppe)]Cl nanocluster (Au NC) protected by alkynyl and phosphine ligands. From simple precursor, HAuCl and ligands, the whole synthesis is driven by a constant potential in single electrolytic cell.
View Article and Find Full Text PDF(Platyhelminthes: Monogenea) infecting spp. (Siluriformes: Heptapteridae) in Mexico, and their phylogenetic position within Gyrodactylidea.
J Helminthol
March 2025
Instituto de Ecología, A.C., Xalapa, Veracruz, Mexico.
Gyrodactylidae Cobbold, 1864 is a monophyletic family of hyperviviparous species, with 36 genera and approximately 700 species. Here, we focused on one of these genera - namely Jara & Cone, 1989 - characterizing its morphological variation systematically and testing its phylogenetic position in relation to other genera in the family. We collected and describe two new species of monogenean parasites of infecting Neotropical freshwater catfishes in Mexico.
View Article and Find Full Text PDFPotential of enterocin from MF5 in controlling species.
J Dairy Res
March 2025
Department of Food Technology, Technological Federal University of Paraná, Londrina, Pioneiros Avenue 3131, Jardim Morumbi, 86036-370 Londrina, Paraná, Brazil.
This research paper presents the characterization of an enterocin-producing MF5 isolate and the determination of the in vitro antilisterial activity of enterocin produced by this isolate, named Ent-MF5. PCR-based screening for bacteriocin biosynthetic genes revealed that MF5 harbors multiple enterocin-encoding genes ( A, B, P and X), classified as class II bacteriocins and enterocin-P of (sharing up to 99% similarity at the genetic level). MF5 is sensitive to eight clinically important antibiotics and does not possess cytolysin activator -A, gelatinase -E and hyaluronidase -lA virulence genes.
View Article and Find Full Text PDFIsolation and structural determination of natural products bearing tetrahydrogenated isoprenoid side-chains at their ω-termini.
Org Biomol Chem
March 2025
Graduate School of Science and Technology, Niigata University, Nishi-ku, Niigata, 950-2181, Japan.
Hydrogenated isoprenoids are found in a range of biologically important natural products, such as isoprenoid quinones, chlorophyll, vitamin E, and dolichol. In this study, a new method was developed for determining the chirality of the tetrahydrogenated isoprenoid (THI) structures of two natural products, namely heptaprenylcycli-14,18-diene and (22,5,9,13,17)-6,10,14,18,22,26-hexamethylheptacosa-5,9,13,17-tetraen-2-one, for which the chiral carbon centres have never been elucidated. Our research group previously isolated the former sesquarterpene from , while the latter was isolated as a new polyprenyl acetone from in the current study.
View Article and Find Full Text PDFEpidemiology and genetic characterization of (X4)-positive and isolated from raw meat in Chengdu City, China.
Biosaf Health
April 2024
National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
The rapid spread of mobile tigecycline resistance presents a significant public health threat, particularly with the increasing prevalence of (X4)-positive Enterobacterales across various species. This study aimed to investigate the epidemic features and transmission dynamics of (X4)-positive (. ) through the analysis of 206 raw meats, including pork ( = 182), beef ( = 16), duck ( = 5), and chicken ( = 3).
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