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2022-01-01
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- IOC - Artigos de Periódicos [12341]
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ANTIMICROBIAL SUSCEPTIBILITY OF ESCHERICHIA COLI ISOLATED FROM SHRIMP (LITOPENAEUS VANNAMEI) AND POND ENVIRONMENT IN NORTHEASTERN BRAZIL
Escherichia coli
Antibióticos
Fazenda de camarão
Litopenaeus vannamei
Author
Affilliation
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Universidade Federal do Ceará. Departamento de Engenharia da Pesca. Fortaleza, CE, Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Universidade Federal do Ceará. Departamento de Engenharia da Pesca. Fortaleza, CE, Brasil.
Instituto de Ciências Marinhas. Fortaleza, CE, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ. Brasil.
Abstract
This study aimed to test the susceptibility of Escherichia coli strains isolated from the water, bottom sediments and individuals
cultivated in shrimp farm ponds, to antibiotics belonging to different families, namely B-Lactams: Imipenem (IPM; 10 μg), Ampicillin
(AMP; 10 μg), Cephalothin (CEP; 30 μg), Cefoxitin (FOX; 30 μg), Ceftriaxone (CRO; 30 μg); Tetracycline: Tetracycline
(TCY; 30 μg); Aminoglycosides: Gentamicin (GEN; 10 μg), Amikacin (AMK; 30 μg); Chloramphenicol: Chloramphenicol (CHO;
30 μg); Fluoroquinolones: Ciprofloxacin (CIP; 5 μg); Nitrofurans: Nitrofurantoin (NIT; 300 μg); Sulfonamides: Trimethoprim-
Sulfamethoxazole (SXT; 30 μg); Quilononas: Nalidixic Acid (NAL; 30 μg). In the laboratory, the method of dissemination (Test
Kirby-Bauer) was performed in order to fulfill the antibiogram tests. The results showed high indices of resistance to Imipenem,
Cephalothin and Ampicillin. Chloramphenicol, Nitrofurantoin, Cefoxitin, Ceftiaxone and Ciprofloxacin have displayed the highest
index of sensitive strains. The antibiotic resistance index (ARI) and the multiple resistance index (MAR) varied within the ranges of
0.068–0.077 and 0.15–0.39, respectively. More than 90.5% of strains of Escherichia coli showed a variety of resistance profiles to the
tested antibiotics. The high indices of resistance may be a consequence of indiscriminate use of antibiotics, but also the transfer of
resistance through mobile genetic elements found in shrimp farms.
Keywords in Portuguese
SuscetibilidadeEscherichia coli
Antibióticos
Fazenda de camarão
Litopenaeus vannamei
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