Co-culturing any of the three Acinetobacter species with Acinetobacter baumannii resulted in contact-dependent release of intact resistance determinants. Acinetobacter radioresistens, Acinetobacter lwoffii, and Acinetobacter johnsonii were isolated from hens, turkeys and ducks and were resistant to 14 clinically relevant antibiotics, including several listed by the World Health Organization as essential medicines.
In this study, we isolated three multidrug resistant Acinetobacter species from birds on a free-range farm. We are becoming increasingly aware that pathogens, such as members of the genus Acinetobacter, are precipitously evolving drug resistances through multiple mechanisms, including the acquisition of antibiotic resistance genes. 3Athens Veterinary Diagnostic Lab, Department of Infectious Diseases, University of Georgia, Athens, GA, United StatesĪntimicrobial resistance is an ancient bacterial defense mechanism that has rapidly spread due to the frequent use of antibiotics for disease treatment and livestock growth promotion.2United States National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States.
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