Degradation of Penicillinic Antibiotics and β‐Lactamase Enzymatic Catalysis in a Biomimetic Zn‐Based Metal–Organic Framework

Escamilla, Paula; Bartella, Lucia; Sanz-Navarro, Sergio; Percoco, Rita Maria; Donna, Leonardo Di; Prejanò, Mario; Marino, Tiziana; Ferrando‐Soria, Jesús; Armentano, Donatella; Leyva‐Pérez, Antonio; Pardo, Emilio

doi:10.1002/chem.202302315

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Virulence and Antimicrobial‐Resistant Gene Profiles of Salmonella spp. Isolates from Chicken Carcasses Markets in Ibague City, Colombia

Lozano-Villegas,

Rondón-Barragán

2024

International Journal of Microbiology

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Salmonella spp. is one of the leading causes of foodborne bacterial infections, with major impacts on public health and healthcare system. Salmonella is commonly transmitted via the fecal‐to‐oral route, and food contaminated with the bacteria (e.g., poultry products) is considered a common source of infection, being a potential risk for public health. The study aims to characterize the antimicrobial resistance‐ and virulence‐associated genes in Salmonella isolates recovered from chicken marketed carcasses (n = 20). The presence of 14 antimicrobial and 23 virulence genes was evaluated using end‐point PCR. The antimicrobial genes were detected in the following proportion among the isolates: blaTEM 100%, dfrA1 and blaCMY2 90% (n = 18), aadA1 75% (n = 15), sul1 and sul2 50% (n = 10), floR 45% (n = 9), qnrD 20% (n = 4), and aadA2 15% (n = 3). catA, sul3, qnrS, and aac(6′)-Ib genes were absent in all isolates. Regarding virulence‐associated genes, all Salmonella strains contain invA, fimA, avrA, msgA, sopB, and sopE. The cdtB gene was present in 95% (n = 19) of isolates, whereas spvC and spvB were present in 55% (n = 11). Other virulence genes such as spiC, lpfC, lpfA, and csgA were present in 90% (n = 18) of strains. The presence of antimicrobial and virulence genes in several Salmonella strains in chicken meat suggests the potential pathogenicity of the strains, which is relevant given the possibility of cross‐contamination which represents a significant threat to public health.

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Virulence and Antimicrobial‐Resistant Gene Profiles of Salmonella spp. Isolates from Chicken Carcasses Markets in Ibague City, Colombia

Lozano-Villegas,

Rondón-Barragán

2024

International Journal of Microbiology

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Metal Organic Frameworks Used as Antibiotic Removal Agents in Water

Martell Mendoza,

Alberto Méndez Cuesta,

Angel Zavala Sánchez

et al. 2024

Wastewater Treatment - Past and Future Perspectives [Working Title]

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Currently, there are approximately 250 antibiotics registered for use in human and veterinary medicine worldwide, which, as a result of inadequate management and poor disposal of waste, among other bad practices in their management, are more common in wastewater; this situation has begun to attract more attention and be an interesting topic for the proposal of solutions. In the search for options to solve this problem, structured materials are being actively studied; one material that has received significant attention is the metal organic framework (MOF) type. The use of MOFs with various topologies and characteristics are demonstrating great effectiveness in the elimination of different types of contaminants from water, such as medications, such as anti-inflammatories, antibiotics, explosives, and heavy metals. Different antibiotics are used as models in these studies, from which it follows that the nature of the drugs that can be eliminated from effluents is very varied, which allows us to see that it can be an interesting option. Another objective pursued by these studies is to seek to establish the number of cycles in which these materials can be used to carry out the capture of drugs, as well as the type of kinetics that follow the adsorption of these materials in the MOFs.

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Degradation of Penicillinic Antibiotics and β‐Lactamase Enzymatic Catalysis in a Biomimetic Zn‐Based Metal–Organic Framework

Cited by 2 publications

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Virulence and Antimicrobial‐Resistant Gene Profiles of Salmonella spp. Isolates from Chicken Carcasses Markets in Ibague City, Colombia

Virulence and Antimicrobial‐Resistant Gene Profiles of Salmonella spp. Isolates from Chicken Carcasses Markets in Ibague City, Colombia

Metal Organic Frameworks Used as Antibiotic Removal Agents in Water

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