Incidence, Distribution, and Spread of Tetracycline Resistance Determinants and Integron-Associated Antibiotic Resistance Genes among Motile Aeromonads from a Fish Farming Environment
نویسندگان
چکیده
منابع مشابه
Incidence, distribution, and spread of tetracycline resistance determinants and integron-associated antibiotic resistance genes among motile aeromonads from a fish farming environment.
A collection of 313 motile aeromonads isolated at Danish rainbow trout farms was analyzed to identify some of the genes involved in high levels of antimicrobial resistance found in a previous field trial (A. S. Schmidt, M. S. Bruun, I. Dalsgaard, K. Pedersen, and J. L. Larsen, Appl. Environ. Microbiol. 66:4908-4915, 2000), the predominant resistance phenotype (37%) being a combined oxytetracycl...
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Motile aeromonads isolated from the intestines of farm-raised freshwater fish such as Catla catla, Labeo rohita and Ctenopharyngodon idella have been characterized to species level. Morphological and physiological grouping revealed 61% Aeromonas hydrophila, 30% Aeromonas caviae, 7% Aeromonas sobria and 2% which remained unidentified. Hemolytic activity was detected mostly in A. hydrophila, whil...
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Samples from the kidney of 100 diseased fish with signs of haemorrhagic septicemia and 50 samples from outlet water of fish farms were taken aseptically and cultured. In the laboratory, 75 colonies of gram-negative bacteria were biochemically diagnosed as motile aeromonads in our Bacteriology Laboratory Unit using API 20E rapid identification system. The genotype identification using specific p...
متن کاملEvaluation of Carbapenemase and Integron Resistance Genes in Pseudomonas Aeruginosa Isolated from Clinical Samples and Determination of Antibiotic Resistance Pattern by Laboratory Method
Introduction: Pseudomonas aeruginosa is one of the most important bacteria causing nosocomial infections, especially in immunocompromised patients. Many antibiotics such as aminoglycosides, quinolones, and beta-lactams are used to treat infections caused by this bacterium. But the emergence of hospital resistance and outbreaks of resistance strains have been widely reported. The aim of this stu...
متن کاملDetection of tetracycline resistance genes in bacteria isolated from fish farms using polymerase chain reaction
Five common tetracycline resistance genes tet(A), tet(B), tet(M), tet(O) and tet(S) were studied by polymerase chain reaction in 100 bacteria isolated from Iranian fish farms. In the antibiogram test most of the bacteria were either intermediately or completely resistant to tetracycline. Nine isolates out of 46 Aeromonas spp. contained eithe...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2001
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.67.12.5675-5682.2001