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- Title
Robust Fluorometric Aptamer Assay for Direct and Rapid Detection of Clinical Isolates of Candida spec.
- Authors
Zhang, Yiting; Xing, Hu; Bolotnikov, Grigory; Krämer, Markus; Bozdogan, Anil; Kissmann, Ann-Kathrin; Weil, Tanja; Spellerberg, Barbara; Stenger, Steffen; Rosenau, Frank
- Abstract
Infections caused by yeasts of the genus Candida are likely to occur not only in immunocompromised patients but also in healthy individuals, leading to infections of the gastrointestinal tract, urinary tract, and respiratory tract. Due to the rapid increase in the frequency of reported Candidiasis cases in recent years, diagnostic research has become the subject of many studies, and therefore, we developed a polyclonal aptamer library-based fluorometric assay with high specificity and affinity towards Candida spec. to quantify the pathogens in clinical samples with high sensitivity. We recently obtained the specific aptamer library R10, which explicitly recognized Candida and evolved it by mimicking an early skin infection model caused by Candida using the FluCell-SELEX system. In the follow-up study presented here, we demonstrate that the aptamer library R10-based bioassay specifically recognizes invasive clinical Candida isolates, including not only C. albicans but also strains like C. tropcialis, C. krusei, or C. glabrata. The next-generation fluorometric bioassay presented here can reliably and easily detect an early Candida infection and could be used for further clinical research or could even be developed into a full in vitro diagnostic tool.
- Subjects
APTAMERS; CANDIDA; CANDIDIASIS; SKIN infections; URINARY organs
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 6, p3444
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25063444