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The "best practices for farming" successfully contributed to decrease the antibiotic resistance gene abundances within dairy farms.
Front Vet Sci
January 2025
Laboratory of Microbial Ecology and Genomics, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Introduction: Farms are significant hotspots for the dissemination of antibiotic-resistant bacteria and genes (ARGs) into the environment and directly to humans. The prevalence of ARGs on farms underscores the need for effective strategies to reduce their spread. This study aimed to evaluate the impact of a guideline on "best practices for farming" aimed at reducing the dissemination of antibiotic resistance.
View Article and Find Full Text PDFcolonization and undernutrition in infants in rural eastern Ethiopia - a longitudinal community-based birth cohort study.
Front Public Health
January 2025
Department of Animal Sciences, Global Food Systems Institute, and Emerging Pathogens Institute, University of Florida, Gainesville, FL, United States.
Background: is associated with environmental enteric dysfunction (EED) and malnutrition in children. infection could be a linchpin between livestock fecal exposure and health outcomes in low-resource smallholder settings.
Methods: We followed a birth cohort of 106 infants in rural smallholder households in eastern Ethiopia up to 13 months of age.
A new method for testing non-porous surfaces for their antimicrobial efficacy using an aerosol-generating spray chamber.
Front Microbiol
January 2025
Diagnostic and Research Institute for Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Graz, Austria.
The application of antimicrobial surfaces requires proof of their effectivity by methods in laboratories. One of the most common test methods is ISO 22196:2011, which represents a simple and inexpensive protocol by applying the bacterial suspension with known volume and concentration covered under a polyethylene film on the surfaces. The incubation is then conducted under defined humidity conditions for 24 h.
View Article and Find Full Text PDFShewanella oneidensis and Methanosarcina barkerii augmentation and conductive material effects on long-term anaerobic digestion performance.
Biotechnol Biofuels Bioprod
January 2025
Environmental Biotechnologies, Institute of Microbiology (IM) DACD Campus Mendrisio, University of Applied Sciences and Arts of Southern Switzerland SUPSI, Via Flora Ruchat-Roncati, 6850, Mendrisio, Switzerland.
This study explores the use of conductive material in scaling up anaerobic digestion for enhanced biogas production. Focusing on Direct Interspecies Electron Transfer (DIET), the research employs a syntrophic DIET-able consortium formed by Shewanella oneidensis and Methanosarcina barkerii in 3.8-L experiments utilizing reticulated vitreous carbon (RVC) as conductive material.
View Article and Find Full Text PDFBotulinum neurotoxins exploit host digestive proteases to boost their oral toxicity via activating OrfXs/P47.
Nat Struct Mol Biol
January 2025
Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA.
Botulinum neurotoxins (BoNTs) rank among the most potent toxins and many of them are produced by bacteria carrying the orfX gene cluster that also encodes four nontoxic proteins (OrfX1, OrfX2, OrfX3 and P47). The orfX gene cluster is also found in the genomes of many non-BoNT-producing bacteria, often alongside genes encoding oral insecticidal toxins. However, the functions of these OrfXs and P47 remain elusive.
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