Results 61 to 70 of about 9,547 (224)

Dual Antimicrobial–Antioxidant Postbiotics From Lactiplantibacillus plantarum for Clean‐Label Meat Preservation

eFood, Volume 7, Issue 2, April 2026.
The postbiotics, which possess both antimicrobial and antioxidant activities, are derived from Lactiplantibacillus plantarum strains, revealing the presence of bioactive compounds. Functional assays showed strong antioxidant activity and strain‐specific antimicrobial effects. When applied to pork, these postbiotics significantly reduced microbial loads,
Florentina Badea, Mircea‐Cosmin Pristavu, Filofteia Camelia Diguță, Alexandru Constantin Aldea, Mihaela Dragoi Cudalbeanu, Simona Marcu Spinu, Alina Ortan, Marian Nicolae Verziu, Florentina Matei   +8 more
wiley   +1 more source

Crystal structure of (2-amino-7-methyl-4-oxidopteridine-6-carboxylato-κ3O4,N5,O6)aqua(1,10-phenanthroline-κ2N,N′)copper(II) trihydrate

Acta Crystallographica Section E, 2014
In the title compound, [Cu(C8H5N5O3)(C12H8N2)(H2O)]·3H2O, the CuII cation is O,N,O′-chelated by the 2-amino-7-methyl-4-oxidopteridine-6-carboxylate anion and N,N′-chelated by the 1,10-phenanthroline (phen) ligand.
Siddhartha S. Baisya, Parag S. Roy
doaj   +1 more source

Functional Promiscuity of the COG0720 Family [PDF]

, 2011
The biosynthesis of GTP derived metabolites such as tetrahydrofolate (THF), biopterin (BH4), and the modified tRNA nucleosides queuosine (Q) and archaeosine (G+) relies on several enzymes of the Tunnel-fold superfamily. A subset of these proteins include
Bailly, Marc, Bonnett, Shilah, de Crécy-Lagard, Valérie, El Yacoubi, Basma, Grochowski, Laura L., Haas-Blaby, Crysten, Iwata-Reuyl, Dirk, Phillips, Gabriela, White, Robert H., Xu, Huimin   +9 more
core   +2 more sources

Comprehensive Analysis of Structure Activity Relationships in Quinoxaline Derivatives Covering Antimicrobial Applications

ChemistrySelect, Volume 11, Issue 14, 13 April 2026.
ABSTRACT Antimicrobial resistance (AMR) has emerged as one of the most critical global health challenges, undermining the clinical efficacy of existing antibiotics and threatening modern therapeutic strategies. The ongoing misuse and overuse of antimicrobial agents have accelerated the evolution of resistant bacterial strains and parasites ...
Subham Kumar Vishwakarma, Fernando Rogério Pavan, Cesar Augusto Roque‐Borda   +2 more
wiley   +1 more source

Experimental and metabolic modeling evidence for a folate-cleaving side-activity of ketopantoate hydroxymethyltransferase (PanB)

Frontiers in Microbiology, 2016
Tetrahydrofolate (THF) and its one-carbon derivatives, collectively termed folates, are essential cofact¬ors, but are inherently unstable. While it is clear that chemical oxidation can cleave folates or damage their pterin precursors, very little is ...
Jennifer eThiaville, Océane eFrelin, Carolina eGarcía-Salinas, Ghulam eHasnain, Katherine eHarrison, Rocio eDíaz de la Garza, Nicole eHorenstein, Christopher eHenry, Andrew D Hanson, Valérie ede Crécy-Lagard   +9 more
doaj   +1 more source

Modulation of Free Radical Formation by Pterin Derivatives

Pteridines, 2004
All classes of pterins, fully reduced tetrahydropterins, aromatic pterins and dihydropterins have been investigated upon their effects on radical mediated reactions.
Karl Oettl, Greilberger Joachim, Reibnegger Gilbert   +2 more
doaj   +1 more source

The pterin molybdenum cofactors.

Journal of Biological Chemistry, 1992
crassa, demonstrated that the inactive apoprotein of nitrate reductase in extracts of the mutant could be reconstituted by the addition of denatured preparations of purified molybdoenzymes from animal, fungal, or bacterial origin. This crucial finding showed that mol- ybdoenzymes contain a dissociable entity fitting the description of a cofactor and ...
K V, Rajagopalan, J L, Johnson
openaire   +2 more sources

Studies on the relation between heme and nucleic acid syntheses in erythroid cell. 3. Nucleolus of erythroblast, changes in relation with cell specialization [PDF]

, 1969
The disappearance of nucleolus has been traced in the rat erythroid cells in relation with the cell specialization under varying conditions, i. e. in anemia with or without treatment by bromouracil and aminopterin.
Shigehisa, Morio
core   +1 more source

Synthesis of Peptides, Peptide Nucleic Acid Components, and Other Biogenic Compounds From a Three‐Component Prebiotic Mixture

Chemistry – A European Journal, Volume 32, Issue 9, 2 March 2026.
High‐energy proton irradiation of a formamide–diaminomaleonitrile–glycine system in the presence of meteorites produces a broad spectrum of biogenic compounds, including nucleobases, nucleosides, peptides, and nucleobase–peptide conjugates, highlighting a chemically plausible prebiotic network.
Bruno Mattia Bizzarri, Rosangela Santalucia, Eleonora Mancin, Mikhail Kapralov, Eugene Krasavin, Raffaele Saladino, Ernesto Di Mauro   +6 more
wiley   +1 more source

Clinical and Genetic Characteristics of Free Sialic Acid Storage Disorder

Journal of Inherited Metabolic Disease, Volume 49, Issue 2, March 2026.
ABSTRACT Free sialic acid storage disorder (FSASD) is a lysosomal storage disorder that results from biallelic pathogenic variants in the SLC17A5 gene. This gene codes for sialin, a 12‐transmembrane domain protein that exports the charged sugar N‐acetylneuraminic acid (Neu5Ac; sialic acid) out of the lysosome.
Zoe Wolfenson, Gabriella Grois, Ruth F. Hailemeskel, Marla Sabaii, Laryssa A. Huryn, Wadih M. Zein, Tanya Lehky, Audrey Thurm, Lisa Joseph, Eva H. Baker, Gilbert Vezina, Keith Hyland, Laura Pollard, Ellen Macnamara, Andrea Gropman, May C. Malicdan, William A. Gahl, David R. Adams, Lynne Wolfe   +18 more
wiley   +1 more source