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Title 

Comparison of rpoB gene sequencing, 16S rRNA gene sequencing, gyrB multiplex PCR, and the VITEK2 system for identification of Acinetobacter clinical isolates

Authors 

M J LeeS J JangX M LiG ParkJ K KookM J KimYoung Hyo ChangJ H ShinS H KimD M KimS H KangD S Moon

Publisher 

Elsevier

Issue Date 

2014

Citation 

Diagnostic Microbiology and Infectious Disease, vol. 78, no. 1, pp. 29-34

Keywords 

16SAcinetobacterDNADNA GyraseGenesIdentificationPCRRibosomalRNARpoBSequence analysis

Abstract 

Since accurate identification of species is necessary for proper treatment of Acinetobacter infections, we compared the performances of 4 bacterial identification methods using 167 Acinetobacter clinical isolates to identify the best identification method. To secure more non-baumannii Acinetobacter (NBA) strains as target strains, we first identified Acinetobacter baumannii in a total of 495 Acinetobacter clinical isolates identified using the VITEK 2 system. Because 371 of 495 strains were identified as A. baumannii using gyrB multiplex 1 PCR and blaOXA51-like PCR, we performed rpoB gene sequencing and 16S rRNA gene sequencing on remaining 124 strains belonging to NBA and 52 strains of A. baumannii. For identification of Acinetobacter at the species level, the accuracy rates of rpoB gene sequencing, 16S rRNA gene sequencing, gyrB multiplex PCR, and the VITEK 2 were 98.2%, 93.4%, 77.2%, and 35.9%, respectively. The gyrB multiplex PCR seems to be very useful for the detection of ACB complex because its concordance rates to the final identification of strains of ACB complex were 100%. Both the rpoB gene sequencing and the 16S rRNA gene sequencing may be useful in identifying Acinetobacter.

ISSN 

0732-8893

Link 

http://dx.doi.org/10.1016/j.diagmicrobio.2013.07.013

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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