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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제26권 제12호
- 발행연도
- 2016.12
- 수록면
- 2,206 - 2,213 (8page)
- DOI
- 10.4014/jmb.1609.09012
이용수
초록· 키워드
오류제보하기
Recently, several studies have revealed that commercial microbial identification systems do not accurately identify the uncommon causative species of candidiasis, including Candida famata, Meyerozyma guilliermondii, and C. auris. We investigated the accuracy of species-level identification in a collection of clinical isolates previously identified as C. famata (N = 38), C. lusitaniae (N = 1 2), and M. guilliermondii (N = 5) by the Vitek 2 system. All 55 isolates were re-analyzed by the Phoenix system (Becton Dickinson Diagnostics), two matrix-assisted laser desorption ionization-time of flight mass spectrometry analyzers (a Vitek MS and a Bruker Biotyper), and by sequencing of internal transcribed spacer (ITS) regions or 26S rRNA gene D1/D2 domains. Among 38 isolates previously identified as C. famata by the Vitek 2 system, the majority (27/38 isolates, 71.1%) were identified as C. tropicalis (20 isolates) or C. albicans (7 isolates) by ITS sequencing, and none was identified as C. famata. Among 20 isolates that were identified as C. tropicalis, 17 (85%) were isolated from urine. The two isolates that were identified as C. auris by ITS sequencing originated from ear discharge. The Phoenix system did not accurately identify C. lusitaniae, C. krusei, or C. auris. The correct identification rate for 55 isolates was 92.7% (51/55 isolates) for the Vitek MS and 94.6% (52/55 isolates) for the Bruker Biotyper, as compared with results from ITS sequencing. These results suggest that C. famata is very rare in Korea, and that the possibility of misidentification should be noted when an uncommon Candida species is identified.
목차
등록된 정보가 없습니다.
참고문헌 (21)
참고문헌 신청
Castanheira M / 2013 / Candida guilliermondii and other species of Candida misidentified as Candida famata: assessment by Vitek 2, DNA sequencing analysis, and matrix-assisted laser desorption ionization-time of flight mass spectrometry in two global antifungal surveillance programs / J. Clin. Microbiol 51:117~124
Chao QT / 2014 / Comparison of the accuracy of two conventional phenotypic methods and two MALDI-TOF MS systems with that of DNA sequencing analysis for correctly identifying clinically encountered yeasts / PLoS One 9:e109376
Desnos-Ollivier M / 2008 / Debaryomyces hansenii (Candida famata), a rare human fungal pathogen often misidentified as Pichia guilliermondii (Candida guilliermondii) / J. Clin. Microbiol 46:3237~3242
Diekema D / 2012 / The changing epidemiology of healthcare-associated candidemia over three decades / Diagn. Microbiol. Infect. Dis 73:45~48
Clinical and Laboratory Standards Institute / 2008 / Interpretive criteria for identification of bacteria and fungi by DNA target sequencing; approved guideline / CLSI document MM18-A. Clinical and Laboratory Standards Institute
Chao QT / 2014 / Comparison of the accuracy of two conventional phenotypic methods and two MALDI-TOF MS systems with that of DNA sequencing analysis for correctly identifying clinically encountered yeasts / PLoS One 9:e109376
Desnos-Ollivier M / 2008 / Debaryomyces hansenii (Candida famata), a rare human fungal pathogen often misidentified as Pichia guilliermondii (Candida guilliermondii) / J. Clin. Microbiol 46:3237~3242
Diekema D / 2012 / The changing epidemiology of healthcare-associated candidemia over three decades / Diagn. Microbiol. Infect. Dis 73:45~48
Clinical and Laboratory Standards Institute / 2008 / Interpretive criteria for identification of bacteria and fungi by DNA target sequencing; approved guideline / CLSI document MM18-A. Clinical and Laboratory Standards Institute
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