What question did this study set out to answer?

To determine the frequency and characteristics of beta-lactam-resistant Escherichia coli in wild birds in the Marmara Region.

May 8, 2026Open Access

Frequency and characterization of β-lactam-resistant Escherichia coli from wild birds from Marmara Region in Turkey

Key Points

To determine the frequency and characteristics of beta-lactam-resistant Escherichia coli in wild birds in the Marmara Region.
Sample collection from wild birds in Marmara Region, focusing on resistant strains.
Assessment of resistance genes and profiles in isolates from gulls predominately feeding near landfills.
Comparison of resistance frequencies among different bird groups.
Gulls showed the highest frequency of beta-lactam-resistant isolates, particularly those in urban areas.
Resistance was significantly higher in two specific groups of birds (P < 0.001).
The profiles suggest a likely environmental or anthropogenic source for the resistance observed.

Abstract

(n = 2). Species-specific results confirmed the highest frequency of resistance genes in gulls. The Frequency of resistant isolates was significantly higher in Groups 1 and 2 (P < 0.001). The resistance profiles identified in gulls especially those feeding at landfills or in direct contact with human, animal, and agricultural waste suggest a likely anthropogenic and/or zoonotic origin of the beta lactam resistance observed in this study conducted in Marmara Region.

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Journals

Brazilian Journal of Microbiology

Institutions

Istanbul University

Istanbul University-Cerrahpaşa

Bandırma Onyedi Eylül University

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