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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/16223


    Title: Rapid identification of the predominant azole-resistant genotype in Candida tropicalis
    Authors: Tseng, KY;Liao, YC;Chen, YZ;Chen, FC;Chen, FJ;Sytwu, HK;Hsieh, LY;Lan, CY;Lo, HJ
    Contributors: National Institute of Infectious Diseases and Vaccinology;Institute of Population Health Sciences
    Abstract: Candida tropicalis is a leading cause of nonalbicans candidemia in tropical/subtropical areas and a predominant genotype of azoleresistant C. tropicalis clinical isolates belongs to clade 4. The aim of this study was to reveal markers for rapidly identifying the predominant azole-resistant C. tropicalis genotype. We analysed XYR1, one of the six genes used in the multilocus sequence typing analysis, and SNQ2, an ATP-binding cassette transporter in 281 C . tropicalis, including 120 and 161 from Taiwan and global areas, respectively. Intriguingly, the first 4-mer of codon sequences ATRA of CTRG_05978 (96/119 versus 21/162, P < .001, at phi = 0. 679) and the SNQ2 A2977G resulting in amino acid I993V alternation (105/118 versus 12/163, P < .001, at phi = 0.81) was significantly associated with the clade 4 genotype. The sensitivity and specificity of the clade 4 genotype detection with a combination of SNPs of CTRG_05978 and SNQ2 were 0.812 and 0.994, respectively, at phi = 0.838. Furthermore , we successfully established a TaqMan SNP genotyping assay to identify the clade 4 genotype. Our findings suggest that to improve the management of C. tropicalis infections, rapidly identifying azole-resistant C. tropicalis by detecting SNPs of CTRG_05978 and SNQ2 is promising.
    Date: 2024-10-21
    Relation: FEMS Yeast Research. 2024 Oct 21;24:Article number foae025.
    Link to: http://dx.doi.org/10.1093/femsyr/foae025
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1567-1356&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:001340963300001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85207664357
    Appears in Collections:[羅秀容] 期刊論文
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