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Developing a novel TaqMan qPCR assay for optimizing Pullorum detection in chickens.
Vet Q
December 2025
Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
Pullorum, the causative agent of pullorum disease, posing a significant threat to the global production of poultry meat and eggs. However, existing detection methods have substantial limitations in efficiency and accuracy. Herein, we developed a genomic deletion-targeted TaqMan qPCR assay for identification of Pullorum, enabling precise differentiation from other serovars.
View Article and Find Full Text PDFImpact of antimicrobial resistance on infections in children in Africa.
Curr Opin Pediatr
January 2025
Department of Child Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
Purpose Of Review: Antimicrobial resistance is an escalating public health threat in Africa, and an awareness of the devastating impact on children is growing. This review highlights the prevalence and patterns of antimicrobial resistance among children in Africa, focusing on pathogens responsible for bloodstream infections, community-acquired pneumonia, bacterial meningitis, neonatal infections, diarrhea and malaria. Current strategies to tackle antimicrobial resistance in pediatric populations are discussed.
View Article and Find Full Text PDFDevelopment of a colloidal gold immunochromatographic assay utilizing dual-antibody sandwich method for detecting .
Front Microbiol
January 2025
College Food Science and Light Industry, Nanjing Tech University, Nanjing, China.
A colloidal gold immunochromatographic assay (ICA) based on a dual-antibody sandwich method was developed for the rapid and convenient detection of () antigens in the early stages of infection. Monoclonal antibodies designed as 5B3 targeting the conserved region of 56 kDa outer membrane protein in various strains of were generated through cell fusion and screening techniques and combined with previously prepared polyclonal antibodies as detection antibodies to establish the ICA. Colloidal gold and polyclonal antibody-colloidal gold complexes were synthesized under optimized conditions.
View Article and Find Full Text PDFCharacterization of novel mutations involved in the development of resistance to colistin in Salmonella isolates from retail pork in Shanghai, China.
Int J Food Microbiol
February 2025
MOST-USDA Joint Research Center for Food Safety and NMPA Key Laboratory for Testing Technology of Pharmaceutical Microbiology, Department of Food Science & Technology, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China. Electronic address:
Salmonella is an important foodborne pathogen that poses a significant threat to food safety. This study aims to assess the prevalence, genomic features, and colistin-resistant mechanisms of Salmonella isolates collected from 118 retail pork samples from January 2021 to January 2022 in Shanghai, China. Overall, 46 (39.
View Article and Find Full Text PDFDeveloping a clinical prediction model to modify empirical antibiotics for non-typhoidal Salmonella bloodstream infection in children under-five in the Democratic Republic of Congo.
BMC Infect Dis
January 2025
Department of Development and Regeneration, KU Leuven, Louvain, Belgium.
Background: Non-typhoidal Salmonella (NTS) frequently cause bloodstream infection in children under-five in sub-Saharan Africa, particularly in malaria-endemic areas. Due to increasing drug resistance, NTS are often not covered by standard-of-care empirical antibiotics for severe febrile illness. We developed a clinical prediction model to orient the choice of empirical antibiotics (standard-of-care versus alternative antibiotics) for children admitted to hospital in settings with high proportions of drug-resistant NTS.
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