This study investigates plasmid and colicin roles in antibiotic-resistant E. coli persistence in Caspian gulls, highlighting ecological implications for One Health.
Key Points
Sustained colonization of cephalosporin-resistant E. coli occurred in gulls for three months, marking a significant ecological observation.
Rapid dissemination of various E. coli strains, particularly ST11138, indicates competitive dynamics crucial for understanding resistance spread.
Genomic analysis revealed plasmids in ST11138 likely provided competitive advantages through colicin encoding.
Findings call for addressing ecological interactions in antimicrobial resistance assessments under the One Health framework.