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Potential 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 PDFCross-protectivity of henipavirus soluble glycoprotein in an model of Nipah virus disease.
Front Immunol
March 2025
Specialised Microbiology and Laboratories, United Kingdom Health Security Agency (UKHSA), Salisbury, Wiltshire, United Kingdom.
Introduction: Nipah virus (NiV) is one of a group of highly pathogenic viruses classified within the Henipavirus genus. Since 2012 at least 11 new henipa-like viruses have been identified, including from new locations and reservoir hosts; the pathogenicity of these new viruses has yet to be determined, but two of them have been associated with morbidity, including fatalities.
Methods: The efficacy and cross-reactivity of two vaccine candidates derived from the soluble glycoproteins of both NiV and Hendra virus (HeV) was evaluated in our recently established hamster model.
Extracellular Z-DNA Enhances Cariogenicity of Biofilm.
J Dent Res
March 2025
State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
Extracellular DNA (eDNA) is one of the core components of the extracellular matrix (ECM) in biofilms and provides attachment sites for microbes and other ECM components. However, little is known about the functions and underlying mechanisms of eDNA in the cariogenicity of dental plaque biofilms. A recent study demonstrated that conformational diversity of eDNA exists in biofilms, and the transition of eDNA from right-handed (B-DNA) to left-handed (Z-DNA) is associated with the structural stability and pathogenicity of biofilms.
View Article and Find Full Text PDFIsolation and Characterization of Enterocin-Producing Strains from Algerian Traditional Food "Dried Figs Marinated in Olive Oil": Functional and Safety Evaluations.
Foods
February 2025
Higher School of Biological Sciences of Oran, BP 1042 Saim Mohamed, Cité Emir Abdelkader (EX-INESSMO), Oran 31000, Algeria.
The increasing consumer demand for natural and sustainable food preservation methods has highlighted the potential of lactic acid bacteria (LAB) and their bioactive metabolites, particularly bacteriocins, as effective antimicrobial agents. This study aimed to isolate and characterize strains from Algerian traditional dried figs marinated in olive oil, a nutrient-dense and underexplored food matrix. Twelve isolates were identified as using MALDI-TOF MS and 16S rRNA gene sequencing, ensuring precise taxonomic classification.
View Article and Find Full Text PDFInsight into crRNA Processing in P42S and Application of SmutCas9 in Genome Editing.
Int J Mol Sci
February 2025
Département de Biochimie, de Microbiologie et de Bio-Informatique, Faculté des Sciences et de Génie, Université Laval, Quebec City, QC G1V 0A6, Canada.
CRISPR-Cas is an adaptive immune system found in bacteria and archaea that provides resistance against invading nucleic acids. Elements of this natural system have been harnessed to develop several genome editing tools, including CRISPR-Cas9. This technology relies on the ability of the nuclease Cas9 to cut DNA at specific locations directed by a guide RNA.
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