Abstract
Patients may experience a range of symptoms due to Streptococcus pyogenes infections, including superficial skin infections, pharyngitis, and invasive diseases in subcutaneous tissues like streptococcal toxic shock syndrome. At present, the clinical diagnostic detection of S. pyogenes is based on serological identification, culture, and PCR. These detection methods are time-consuming and require sophisticated equipment, making these methods challenging for routine laboratories. Thus, there is a need for a detection platform that is capable of quickly and accurately identifying S. pyogenes. In this study, a rapid and sensitive Cas12a/crRNA assay using recombinase RPA and LFB was developed to detect S. pyogenes. The Cas12a/crRNA-based assay exhibited high specificity among different bacteria strains and extremely high sensitivity. This method probably plays an important role for S. pyogenes detection and screening.
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