We report a case of a 63-year-old female patient who developed a recurrent urinary tract infection (UTI) with extensively drug-resistant (ERKp). In the initial two rounds of phage therapy, phage resistant mutants developed within days. Although ERKp strains were completely resistant to sulfamethoxazole-trimethoprim, the combination of sulfamethoxazole-trimethoprim with the phage cocktail inhibited the emergence of phage resistant mutant , and the UTI of patient was successfully cured by this combination. Thus, we propose that non-active antibiotic and bacteriophage synergism (NABS) might be an alternative strategy in personalized phage therapy.
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http://dx.doi.org/10.1080/22221751.2020.1747950 | DOI Listing |
Chemosphere
November 2024
School of Ecology and Environment, Anhui Normal University, Wuhu, Anhui, 241002, China. Electronic address:
Microcystins (MCs), frequently detected in freshwater ecosystems, have raised significant human health and ecological concerns. New approaches are being developed to control and remove MCs. In this study, we examined factors influencing the efficacy of electrochemical oxidation as a means of control.
View Article and Find Full Text PDFBMC Microbiol
June 2024
Lesaffre International - Lesaffre Institute of Science and Technology, 101 Rue de Menin, 59706, Marcq-en-Barœul, France.
Background: Inflammatory Bowel Diseases (IBD) are a major public health issue with unclear aetiology. Changes in the composition and functionality of the intestinal microbiota are associated with these pathologies, including the depletion of strict anaerobes such as Feacalibacterium prausnitzii. Less evidence is observed for depletion in other anaerobes, among which bifidobacteria.
View Article and Find Full Text PDFSteroids
November 2023
Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET), Universidad Nacional de Córdoba, Depto. de Química Orgánica, Facultad de Ciencias Químicas, Edificio de Ciencias Químicas II, Haya de la Torre esq. Medina Allende, Ciudad Universitaria, Córdoba X5000HUA, Argentina. Electronic address:
Two new withanolides, (17R,20S,22R)-4β-acetoxy-5β,6β-epoxy-19,27-dihydroxy-1-oxo-witha-2,24-dienolide (withalongolide A 4-acetate (5) and (17R,20S,22R)-5β,6β-epoxy-27-hydroxy-1,4-dioxo-witha-24-enolide (9), and seven known withanolides with normal structure (1-4, 6-8) were isolated from aerial parts of Cuatresia colombiana. Several semisynthetic derivatives were prepared from the natural metabolites withaferin A and jaborosalactone 38. The compounds were fully characterized by a combination of spectroscopic methods (1D and 2D NMR and MS).
View Article and Find Full Text PDFInt J Antimicrob Agents
August 2023
Infectious Diseases Department, Laboratory of Experimental Infection, Hospital Universitari de Bellvitge, IDIBELL, Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red en Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain. Electronic address:
Protein J
August 2023
Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
The rise of New Delhi metallo beta-lactamase (NDM) producing bacteria imposes a significant threat to the treatment of bacterial infections due to their broad spectrum against beta-lactams. The activity of metallo beta-lactamases is affected by active site residues as well as residues near the active site. Therefore, we aimed to identify the amino acid residues around the active site of NDM-4 which influence its function.
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