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Exploring the reaction dynamics of alanine racemase using serial femtosecond crystallography.
Sci Rep
December 2024
Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Kyungbook, Republic of Korea.
Alanine racemase (Alr) catalyzes the pyridoxal 5'-phosphate (PLP)-dependent racemization between L- and D-alanine in bacteria. Owing to the potential interest in targeting Alr for antibacterial drug development, several studies have determined the structures of Alr from different species, proposing models for the reaction mechanism. Insights into its reaction dynamics may be conducive to a better understanding of the Alr reaction mechanism.
View Article and Find Full Text PDFExploring potential multiple molecular biomarkers that predict treatment response in patients with lupus nephritis.
Sci Rep
December 2024
Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, 222-1 Wangsimni-ro, Seongdong-Gu, Seoul, 04763, Korea.
Limited knowledge exists regarding biomarkers that predict treatment response in Lupus nephritis (LN). We aimed to identify potential molecular biomarkers to predict treatment response in patients with LN. We enrolled 66 patients with active LN who underwent renal biopsy upon enrollment.
View Article and Find Full Text PDFChia Derived Peptides Affecting Bacterial Membrane and DNA: Insights from Staphylococcus aureus and Escherichia coli Studies.
Plant Foods Hum Nutr
December 2024
Facultad de Ingeniería Química, Universidad Autónoma de Yucatán, Periférico Norte Km. 33.5, Tablaje Catastral 13615, Col. Chuburná de Hidalgo Inn, Mérida, 97203, Yucatán, México.
The increasing concern over microbial resistance to conventional antimicrobial agents used in food preservation has led to growing interest in plant-derived antimicrobial peptides (AMPs) as alternative solutions. In this study, the antimicrobial mechanisms of chia seed-derived peptides YACLKVK, KLKKNL, KLLKKYL, and KKLLKI were investigated against Staphylococcus aureus (SA) and Escherichia coli (EC). Fluorometric assays and scanning electron microscopy (SEM) demonstrated that the peptides disrupt bacterial membranes, with propidium iodide (PI) uptake reaching 72.
View Article and Find Full Text PDFEffect of the initial glucose concentration on the performance of ice wine fermentation of Vidal grape juice.
Sci Rep
December 2024
College of Biological Sciences and Technology, YiLi Normal University, Yining, 835000, People's Republic of China.
Ice wine is produced from concentrated grape juice obtained by the natural freezing and pressing of grapes. The high sugar content of this juice has an impact on fermentation. To investigate the impact of the initial sugar concentration on the fermentation of ice wine, the initial sugar concentration of Vidal ice grape juice was adjusted to 370, 450, 500 and 550 g/L by the addition of glucose.
View Article and Find Full Text PDFFoeniculum vulgare Miller bracts, revalorization of a local food waste.
Sci Rep
December 2024
Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, 84084, Salerno, Italy.
This research aims at the valorization of fennel by-products from the Campania region (Southern Italy). A phytochemical characterization of the hydroalcoholic extracts (HEs) and of the essential oils (EOs) from edible and non-edible parts (waste) of Foeniculum vulgare Mill. was carried out using HRESIMS and GC-MS.
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