ArticleBMC infectious diseases2024
Development and evaluation of a rapid diagnostic method for Sporothrix globosa in Asia using quantitative real-time PCR.
Article in BMC infectious diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Detection of viable Staphylococcus aureus/methicillin-resistant Staphylococcus aureus and antimicrobial resistance directly by PMA-TaqMan qPCR from bronchoalveolar lavage fluid.BMC pulmonary medicine · 2025Article
- Pathogen detection by targeted next-generation sequencing test in adult hematological malignancies patients with suspected infections.Frontiers in medicine · 2024Article
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Authors and funding
9 authors.
Funding
Abstract
backgroundSporotrichosis is a chronic granulomatous infection of the skin and subcutaneous tissue that can affect any organ through lymphatic spread. The prevalence of sporotrichosis infections is increasing and its treatment is challenging as there are no unified and standard diagnostic techniques or antifungal medications. Controlling further spread requires a rapid diagnosis. Assessment of clinical symptoms, histological analysis, serological testing, and pathogen culture are all necessary for the diagnosis of sporotrichosis. However, these procedures are unable to identify the species. The development of safe, reliable, and species-specific diagnostic techniques is essential.
objectiveTo establish and evaluate a new quantitative real-time PCR assay for the rapid diagnosis of sporotrichosis and to identify relevant species.
methodsPolymorphisms in calmodulin (CAL) gene sequences and the internal transcribed spacer (ITS) were used in a quantitative real-time PCR assay to identify S. globosa, S. schenckii, and non-target species.
resultsThe quantitative real-time PCR assay had 100% sensitivity and specificity. The limit of detection was 6 fg/µl. Thirty-four clinical specimens were verified to be infected with S. globosa with a 100% positive detection rate.
conclusionsThe quantitative PCR technique developed in this study is a quick, accurate, and targeted method of identifying S. globosa based on polymorphisms in CAL sequences and ITS. It can be used for a prompt clinical diagnosis to identify S. globosa in clinical specimens from patients with sporotrichosis.
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