Author:
Tang Chao,Ahmed Sarah A.,Deng Shuwen,Zhang Lu,Zoll Jan,Al-Hatmi Abdullah M. S.,Meis Jacques F.,Thakur Rameshwari,Kang Yingqian,de Hoog G. Sybren
Abstract
A resistant and hypervirulent dermatophyte from India has been described as a taxonomic novelty, Trichophyton indotineae, a species of the Trichophyton mentagrophytes complex. Rapid detection and correct identification of closely similar dermatophytes with different predilections are essential for efficient clinical management. We evaluated the efficacy of rapid diagnostic methods clinical and environmental strains in the T. mentagrophytes complex. The methods included Real-time-PCR, DermaGenius, LAMP, and MALDI-ToF MS, using rDNA ITS sequences as taxonomic standard. The results show that only MALDI-ToF MS can distinguish 96.97% T. indotineae from other closely related species. The complex comprises numerous clones which may differ in anonymous markers but with similar evolutionary behavior. Therefore, we recommend to distinguish species only when they show an appreciable degree of adaptation and thus are clinically significant. The distinction of remaining clonal diversity is an epidemiological query and can be solved by haplotype numbering.
Funder
China Scholarship Council
National Natural Science Foundation of China
Subject
Microbiology (medical),Microbiology
Cited by
22 articles.
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