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 BRIEF COMMUNICATION
Year : 2011  |  Volume : 29  |  Issue : 3  |  Page : 305-308

CTX-M-9 group extended-spectrum β-lactamases in neonatal stool isolates: Emergence in India


1 Division of Bacteriology, National Institute of Cholera and Enteric Diseases, P33, CIT Road, Scheme XM, Beliaghata, Kolkata - 700 010, India
2 Department of Neonatology, Institute of Postgraduate Medical Education and Research, SSKM Hospital, Kolkata - 700020, India

Correspondence Address:
S Basu
Division of Bacteriology, National Institute of Cholera and Enteric Diseases, P33, CIT Road, Scheme XM, Beliaghata, Kolkata - 700 010
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0255-0857.83919

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The study reports for the first time the identification of CTX-M-14-like and CTX-M-27-like extended-spectrum β-lactamases (ESBLs) belonging to the CTX-M-9 group in Klebsiella pneumoniae and Escherichia coli isolated from the neonatal stool in India. The plasmid carrying the blaCTX-M-9 group in both the isolates was transferable. Till date, no other CTX-M group, except the CTX-M-1 group, has been reported from India. A total of 77% of the neonates had ESBL-producing K. pneumoniae or E. coli in their stool, and blaCTX-M-15 was the predominant ESBL gene. Although the CTX-M-9 group was found in the stool and did not cause infection, the detection of the CTX-M-9 group might be a prelude to future infections.






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