Volume 10, Number 1—January 2004
Escherichia coli Producing CTX-M-2 β-Lactamase in Cattle, Japan
|Strain||Source||β-lactamaseb||Plasmid profile (MDa)||Transferred plasmid (MDa)||Frequency of transfer||RAPD pattern|
|GS528||Feces 1||PC||33, 50, 86||33, 50||6 x 10-4||A|
|GS542||Feces 2||PC||33, 50, 86||33, 50||2 x 10-4||A|
|GS547||Feces 3||PC||33, 50, 86||33, 50||3 x 10-4||A|
|GS553||Feces 4||PC and CS||33, 50, 61||33, 50||3 x 10-1||B|
|GS554||Feces 4||PC and CS||33, 50||33, 50||2 x 10-1||C|
|GS721||Feces 5||PC||33||33||9 x 10-2||D|
|GS733||Feces 6||PC||33||33||2 x 10-1||D|
|GS631||Swabc 1||PC||33, 86||33||5 x 10-1||E|
|GS671||Swab 2||PC||33, 86||33||6 x 10-1||E|
aPC, penicillinase; CS, cephalosporinase; RAPD, random amplified polymorphic DNA.
bβ-lactamases were detected by acidmetric β-lactamase test.
cSwab, surface swab of cattle carcass.
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