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Volume 18, Number 12—December 2012


Antimicrobial Drug–Resistant Escherichia coli in Wild Birds and Free-range Poultry, Bangladesh

Badrul HasanComments to Author , Linus Sandegren, Åsa Melhus, Mirva Drobni, Jorge Hernandez, Jonas Waldenström, Munirul Alam, and Björn Olsen
Author affiliations: Author affiliations: Uppsala University Department of Medical SciencesUppsala, Sweden (B. Hasan, Å. Melhus, M. Drobni, B. Olsen); Linnaeus University Centre for Ecology and Epidemiology in Microbial Model Systems, Kalmar, Sweden (B. Hasan, J. Hernandez, J. Waldenström, B. Olsen); International Center for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh (M. Alam); Uppsala University Department of Medical Biochemistry and Microbiology, Uppsala (L. Sandegren).

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Table 2

Antimicrobial drug resistance genotype classification of ESBL-producing Escherichia coli isolates from wild birds and free-range poultry, Bangladesh*

Host Isolate ESB type Repetitive element PCR genotype Sequence type
Common teal (Anas crecca) B51 CTX-M-15 A4 ST1408
Common teal B53 CTX-M-15 A ST1408
Tufted duck (Aythya fuligula) B66 CTX-M-15 A3 ST1312
Domestic duck (Anas platyrhynchos) B93 CTX-M-15 E ST2141
Domestic duck B97 CTX-M-15 G ST2690†
Domestic duck B98 CTX-M-15 F ST448‡
Domestic duck B100 CTX-M-15 D ST405§
Domestic duck B102 CTX-M-15 H ST2691†
Domestic duck B106 CTX-M-15 I ST648
Domestic chicken (Gallus domesticus) B125 CTX-M-15 A2 ST206¶
Domestic chicken B127 CTX-M-1 J ST744
Domestic chicken B129 CTX-M-15 K ST648
Domestic chicken B130w CTX-M-14 like L ST131
Domestic chicken B133 CTX-M-15 M ST2450
Domestic chicken B136P CTX-M-15 N ST2692†
Domestic chicken B137P CTX-M-1 O ST744
Domestic chicken B140 CTX-M-15 A ST2693†
Domestic chicken B143 CTX-M-15 B ST224

*ESBL, extended-spectrum β-lactamase.
†New sequence type.
‡Clonal complex ST448.
§Clonal complex ST405.
¶Clonal complex ST206.

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