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Exploring the genomic and antimicrobial resistance tapestry: comparative insights into serotypes Agona, Braenderup, Muenchen, and Panama in Latin American surface waters.
Microbiol Spectr
December 2024
Joint Institute for Food Safety and Applied Nutrition and Center for Food Safety and Security Systems, University of Maryland, College Park, Maryland, USA.
Article Synopsis
- The study investigated the genomic characteristics of different serotypes of bacterial isolates (Agona, Braenderup, Muenchen, and Panama) found in surface waters of Chile, Mexico, and Brazil over three years.
- Mexican isolates showed a higher prevalence of antimicrobial resistance (AMR) genes compared to those from Chile and Brazil, with specific patterns of ARG distribution across the different serotypes and countries.
- The research highlights the intricate relationships between the isolates, including gene sharing and clustering patterns that point to surface waters as potential reservoirs for multidrug-resistant bacteria, underscoring the need for ongoing monitoring and research.
Genomic epidemiology and phenotypic characterisation of Salmonella enterica serovar Panama in Victoria, Australia.
PLoS Negl Trop Dis
November 2024
Department of Microbiology and Immunology, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Parkville, Victoria, Australia.
Article Synopsis
- Salmonella enterica serovar Panama is a significant cause of invasive non-typhoidal salmonellosis in Australia, despite being understudied, with a high incidence rate linked to international travel.
- A study analyzed genomic epidemiology and antimicrobial resistance in S. Panama isolates in Victoria from 2000 to 2021, finding that over half exhibited multi-drug resistance, and colistin resistance was identified in one isolate.
- The research also explored the growth dynamics of S. Panama in macrophages, revealing its ability to replicate more effectively compared to S. enterica serovar Typhimurium, although no specific genotype was linked to this enhanced replication.
Outbreak-associated Baildon found in wastewater demonstrates how sewage monitoring can supplement traditional disease surveillance.
J Clin Microbiol
October 2024
Department of Food Science, The Pennsylvania State University, University Park, Pennsylvania, USA.
Non-typhoidal is a common cause of gastroenteritis worldwide, but current non-typhoidal surveillance is suboptimal. Here, we evaluated the utility of wastewater monitoring to enhance traditional surveillance for this foodborne pathogen. In June 2022, we tested raw sewage collected twice a week from two treatment plants in central Pennsylvania for non-typhoidal and characterized isolates using whole-genome sequencing.
View Article and Find Full Text PDFPhylogenetic Analysis Based on Whole Genome Sequences, Antibiotic Resistance, and Virulence of Clinical Isolates from South Korea.
Foodborne Pathog Dis
September 2024
Department of Microbiology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea.
is a major cause of foodborne disease and frequently causes human salmonellosis in South Korea. In this study, we investigated the genome diversity, antimicrobial resistance, and virulence of clinical isolates of from South Korea. We collected 42 subsp.
View Article and Find Full Text PDFDetection of Integrons and Their Relationship with Resistance Phenotype of Isolates from a Brazilian Pork Production Chain.
Foodborne Pathog Dis
June 2024
InsPOA - Laboratory of Food Inspection, Department of Veterinary Medicine, Federal University of Viçosa, Campus Universitário, Viçosa, Brazil.
The pork production chain is an important reservoir of antimicrobial resistant bacteria. This study identified and characterized integrons in isolates from a Brazilian pork production chain and associate them with their antibiotic resistance pattern. A total of 41 whole-genome sequencing data of nontyphoidal were analyzed using PlasmidSPAdes and IntegronFinder software.
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