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Enhancement of aerobic sludge granulation by quorum sensing signaling molecules mediated by biomimetic bacterial extracellular vesicles.
J Environ Manage
January 2025
Department of Environmental Engineering, College of Ecology and Environment, Nanjing Forestry University, Nanjing, 210037, China. Electronic address:
The addition of exogenous quorum sensing signaling molecules to the activated sludge system enables rapid sludge granulation. However, signaling molecules exposed to the environment are easily degraded, and their quorum sensing effects cannot be maintained in the long term. Therefore, they must be frequently added, which leads to an increase in operational costs.
View Article and Find Full Text PDFCharacterization of the host specificity of the SH3 cell wall binding domain of the staphylococcal phage 88 endolysin.
Arch Microbiol
January 2025
Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor, 43400, Malaysia.
Bacteriophages produce endolysins at the end of the lytic cycle, which are crucial for lysing the host cells and releasing virion progeny. This lytic feature allows endolysins to act as effective antimicrobial alternatives when applied exogenously. Staphylococcal endolysins typically possess a modular structure with one or two enzymatically active N-terminal domains (EADs) and a C-terminal cell wall binding domain (CBD).
View Article and Find Full Text PDFAcylase-Based Coatings on Sandblasted Polydimethylsiloxane-Based Materials for Antimicrobial Applications.
Polymers (Basel)
January 2025
Center for Micro-Electro Mechanical Systems (CMEMS), Campus Azurém, University of Minho, 4800-058 Guimarães, Portugal.
Indwelling medical devices, such as urinary catheters, often experience bacterial colonization, forming biofilms that resist antibiotics and the host's immune defenses through quorum sensing (QS), a chemical communication system. This study explores the development of antimicrobial coatings by immobilizing acylase, a quorum-quenching enzyme, on sandblasted polydimethylsiloxane (PDMS) surfaces. PDMS, commonly used in medical devices, was sandblasted to increase its surface roughness, enhancing acylase attachment.
View Article and Find Full Text PDFSynergistic Enzybiotic Effect of a Bacteriophage Endolysin and an Engineered Glucose Oxidase Against .
Biomolecules
December 2024
Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones Científicas (IATA-CSIC), 46980 Paterna, Valencia, Spain.
represents one of the main risks for food safety worldwide. Two enzyme-based antimicrobials (enzybiotics) have been combined in a novel treatment against this pathogenic bacterium, resulting in a powerful synergistic effect. One of the enzymes is an endolysin from phage vB_LmoS_188 with amidase activity (henceforth A10), and the other is an engineered version of glucose oxidase from (GOX).
View Article and Find Full Text PDFIntegrated omics analyses elucidate acetaminophen biodegradation by Enterobacter sp. APAP_BS8.
J Environ Manage
January 2025
Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India. Electronic address:
Acetaminophen (APAP) is an extensively consumed over-the-counter and prescribed medication and a constituent of many active pharmaceutical compounds as well as personal care products. Its wide-scale prevalence in the environment due to inefficient treatment technologies has classified APAP as a contaminant of emerging concern. Thus, it is imperative to explore efficient and sustainable methods for remediation of contaminated environments.
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