Genomic Comparison of Eight Closed Genomes of Multidrug-Resistant Strains Isolated From Broiler Farms and Processing Plants in Trinidad and Tobago.

Front Microbiol

Division of Microbiology, Office of Regulatory Science, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, United States.

Published: May 2022

AI Article Synopsis

  • The study focuses on multidrug-resistant (MDR) strains of a significant foodborne pathogen found in broiler chicken farms and processing plants in Trinidad and Tobago.
  • Eight strains belonging to various serovars showed evidence of drug resistance, with seven strains carrying at least three antibiotic resistance (AMR) genes and some possessing quinolone resistance genes.
  • The closed genomes obtained from this research will aid in future tracking of sources and investigations related to outbreaks both locally and globally.

Article Abstract

is an important foodborne pathogen worldwide. We used long and short-read sequencing to close genomes of eight multidrug-resistant (MDR) strains, belonging to serovars Infantis (2), Albany, Oranienburg, I 4,[5],12:i:-, Javiana, Schwarzengrund, and Kentucky from broiler chicken farms and processing plants in Trinidad and Tobago. They also belonged to seven different sequence types (STs- 32, 292, 1510, 19, 24, 152, and 96). Among the strains, seven had demonstrated multi-drug resistance with the presence of at least three AMR genes, whereas three isolates contained the quinolone resistance gene in plasmids (CFSAN103840, CFSAN103854, and CFSAN103872). The extended-spectrum β-lactamase genes (CFSAN103796) and (CFSAN103852) were detected in this study. The genomes closed in this study will be useful for future source tracking and outbreak investigations in Trinidad and Tobago and worldwide.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9127609PMC
http://dx.doi.org/10.3389/fmicb.2022.863104DOI Listing

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