Publications by authors named "Azusa Kaneoka"

Article Synopsis
  • A structure analysis was conducted on antibiotic-resistance gene regions in conjugative plasmids from four bacteria found in fish farms, focusing on kanamycin and tetracycline resistance genes.
  • The study revealed that Citrobacter sp. TA3 and TA6, as well as Alteromonas sp. TA55, had resistance genes flanked by IS26 elements, while Salmonella sp. TC67 exhibited a different configuration but also contained similar resistance genes.
  • The findings suggest potential horizontal gene transfer between different genera in fish farm A, indicated by structural similarities in their mobile genetic elements and antibiotic resistance genes.
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Three variants of the composite transposon Tn10 were extracted from transferable plasmids of fish farm bacteria. These variants were identical in insertions with IS10, but differed in another class I transposon insertion and a region of homologous recombination downstream of tetB.

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Tetracycline-resistant (Tet(r)) bacteria were isolated from fishes collected at three different fish farms in the southern part of Japan in August and September 2000. Of the 66 Tet(r) gram-negative strains, 29 were identified as carrying tetB only. Four carried tetY, and another four carried tetD.

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