title: [Antimicrobial susceptibility and resistance genes among Salmonella enterica Serovar Weltevreden isolates from humans, farm animals, and the environment in Okinawa Prefecture between 1992 and 2007].
abstract: Between 1992 and 2007, a total of 86 isolates of Salmonella enterica Weltevreden were obtained from clinical human samples (n = 41), 45 farm animals and their environment on 20 farms, including poultry (n = 25), beef cattle (n = 5), swine (n = 5), dairy cattle (n = 3), mice (n = 2), pony (n = 1), fly (n = 1) and feed samples (n = 3), in Okinawa Prefecture, Japan. Only seven isolates (8.1%) of the isolates were resistance to one or more antimicrobial agents tested; six streptomycin (7.0%), six oxytetracycline (7.0%), two ampicillin (2.3%), two kanamycin, (2.3%), two chloramphenicol (2.3%), two suffamethoxazole/trimethoprim (2.3%), whereas all isolates were susceptible to gentamicin, sefuroxime, colistin, nalidixic acid, fosfomycin and ofloxacin. Drug resistance patterns showed six patterns; ABPC-SM-KM-OTC-CP-ST, ABPC-SM-ST, SM-KM-OTC, SM-OTC-CP, SM-OTC, OTC. Two ampicillin-resistant isolates harbored the blaTEM genes, streptomycin-resistant isolates (four aadA, two strA), tetracycline-resistant isolates (two tetA, three tetB), chloramphenicol-resistant isolates (two catA1), respectively.
authors.affiliation: Yaeyama Livestock Hygiene Service Center, Okinawa Prefectual Insititute of Health and Environment.
authors.forename: Masanao
authors.initials: M
authors.lastname: Matayoshi
authors.forename: Jun
authors.initials: J
authors.lastname: Kudaka
mesh_terms: D000818:Animals; D000829:Animals, Domestic / Q000382:microbiology*; D002417:Cattle / Q000382:microbiology; D002645:Chickens / Q000382:microbiology; D004175:Diptera / Q000382:microbiology; D024881:Drug Resistance, Bacterial / Q000235:genetics / Q000502:physiology; D006801:Humans; D007564:Japan; D051379:Mice / Q000382:microbiology; D019779:Salmonella enterica / Q000187:drug effects* / Q000235:genetics* / Q000302:isolation & purification; D013552:Swine / Q000382:microbiology