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Antibiotic Resistance in Campylobacter: A Systematic Review of South American Isolates

Journal

ANTIBIOTICS-BASEL
Volume 12, Issue 3, Pages -

Publisher

MDPI
DOI: 10.3390/antibiotics12030548

Keywords

antimicrobial resistance; food contamination; food of animal origin; meat products; animal husbandry; food-producing animals; antimicrobial susceptibility testing (TSA)

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Campylobacter, especially in South America, has become increasingly resistant to first-choice antibiotics used to treat campylobacteriosis. The most commonly reported species were C. jejuni and C. coli, with widespread resistance to ciprofloxacin. Antibiotic resistance was mainly found in food of animal origin and farm animals. The study highlights the need for constant surveillance of Campylobacter resistance and strategic use of antibiotics in animal production to overcome future difficulties in treating campylobacteriosis.
In recent years, Campylobacter has become increasingly resistant to antibiotics, especially those first-choice drugs used to treat campylobacteriosis. Studies in South America have reported cases of antibiotic-resistant Campylobacter in several countries, mainly in Brazil. To understand the current frequency of antibiotic-resistant Campylobacter in humans, farm animals, and food of animal origin in South America, we systematically searched for different studies that have reported Campylobacter resistance. The most commonly reported species were C. jejuni and C. coli. Resistance to ciprofloxacin was found to be ubiquitous in the isolates. Nalidixic acid and tetracycline showed a significantly expressed resistance. Erythromycin, the antibiotic of first choice for the treatment of campylobacteriosis, showed a low rate of resistance in isolates but was detected in almost all countries. The main sources of antibiotic-resistant Campylobacter isolates were food of animal origin and farm animals. The results demonstrate that resistant Campylobacter isolates are disseminated from multiple sources linked to animal production in South America. The level of resistance that was identified may compromise the treatment of campylobacteriosis in human and animal populations. In this way, we are here showing all South American communities the need for the constant surveillance of Campylobacter resistance and the need for the strategic use of antibiotics in animal production. These actions are likely to decrease future difficulties in the treatment of human campylobacteriosis.

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