Simultaneous Dual‐Gene Test of Methicillin‐Resistant Staphylococcus Aureus using an Argonaute‐Centered Portable and Visual Biosensor

The development of novel method for drug‐resistant bacteria detection is imperative. A simultaneous dual‐gene Test of methicillin‐resistant Staphylococcus aureus (MRSA) is developed using an Argonaute‐centered portable biosensor (STAR). This is the first report concerning Argonaute‐based pathogenic...

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Veröffentlicht in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2024-06, Vol.20 (24), p.e2311764-n/a
Hauptverfasser: Kou, Jun, Li, Yaru, Zhao, Zhiying, Qiao, Jiali, Zhang, Qiang, Han, Xiao, Cheng, Xinkuan, Man, Shuli, Ma, Long
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Sprache:eng
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Zusammenfassung:The development of novel method for drug‐resistant bacteria detection is imperative. A simultaneous dual‐gene Test of methicillin‐resistant Staphylococcus aureus (MRSA) is developed using an Argonaute‐centered portable biosensor (STAR). This is the first report concerning Argonaute‐based pathogenic bacteria detection. Simply, the species‐specific mecA and nuc gene are isothermally amplified using loop‐mediated isothermal amplification (LAMP) technique, followed by Argonaute‐based detection enabled by its programmable, guided, sequence‐specific recognition and cleavage. With the strategy, the targeted nucleic acid signals gene are dexterously converted into fluorescent signals. STAR is capable of detecting the nuc gene and mecA gene simultaneously in a single reaction. The limit of detection is 10 CFU/mL with a dynamic range from 10 to 107 CFU/mL. The sample‐to‐result time is
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.202311764