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Title: Acinetobacter calcoaceticus-Acinetobacter baumannii complex species in clinical specimens in Singapore
Authors: Koh, T.H. 
Tan, T.T.
Khoo, C.T.
Ng, S.Y.
Tan, T.Y.
Hsu, L.-Y.
Ooi, E.E.
Van Der Reijden, T.J.K.
Dijkshoorn, L.
Keywords: Antibiotic resistance
bacterial infections
bacterial typing
hospital microbiology
molecular epidemiology
Issue Date: Mar-2012
Citation: Koh, T.H., Tan, T.T., Khoo, C.T., Ng, S.Y., Tan, T.Y., Hsu, L.-Y., Ooi, E.E., Van Der Reijden, T.J.K., Dijkshoorn, L. (2012-03). Acinetobacter calcoaceticus-Acinetobacter baumannii complex species in clinical specimens in Singapore. Epidemiology and Infection 140 (3) : 535-538. ScholarBank@NUS Repository.
Abstract: This study was performed to determine the prevalence, distribution of specimen sources, and antimicrobial susceptibility of the Acinetobacter calcoaceticus-Acinetobacter baumannii (Acb) species complex in Singapore. One hundred and ninety-three non-replicate Acb species complex clinical isolates were collected from six hospitals over a 1-month period in 2006. Of these, 152 (78·7%) were identified as A. baumannii, 18 (9·3%) as 'Acinetobacter pittii' [genomic species (gen. sp.) 3], and 23 (11·9%) as 'Acinetobacter nosocomialis' (gen. sp. 13TU). Carbapenem resistance was highest in A. baumannii (72·4%), followed by A. pittii (38·9%), and A. nosocomialis (34·8%). Most carbapenem-resistant A. baumannii and A. nosocomialis possessed the blaOXA-23-like gene whereas carbapenem-resistant A. pittii possessed the blaOXA-58-like gene. Two imipenem-resistant strains (A. baumannii and A. pittii) had the blaIMP-like gene. Representatives of carbapenem-resistant A. baumannii were related to European clones I and II. © 2011 Cambridge University Press.
Source Title: Epidemiology and Infection
ISSN: 09502688
DOI: 10.1017/S0950268811001129
Appears in Collections:Staff Publications

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