Aptamer-based biosensors for Pseudomonas aeruginosa detection
2022
Khatami, Seyyed Hossein | Karami, Sajedeh | Siahkouhi, Hamid Reza | Taheri-Anganeh, Mortaza | Fathi, Javad | Aghazadeh Ghadim, Mir Behrad | Taghvimi, Sina | Shabaninejad, Zahra | Tondro, Gholamhossein | Karami, Neda | Dolatshah, Leila | Soltani Fard, Elahe | Movahedpour, Ahmad | Darvishi, Mohammad Hasan
Pseudomonas aeruginosa possesses innate antibiotic resistance mechanisms, and carbapenem-resistant Pseudomonas aeruginosa has been considered the number one priority in the 2017 WHO list of antimicrobial-resistant crucial hazards. Early detection of Pseudomonas aeruginosa can circumvent treatment challenges. Various techniques have been developed for the detection of P. aeruginosa detection. Biosensors have recently attracted unprecedented attention in the field of point-of-care diagnostics due to their easy operation, rapid, low cost, high sensitivity, and selectivity. Biosensors can convert the specific interaction between bioreceptors (antibodies, aptamers) and pathogens into optical, electrical, and other signal outputs. Aptamers are novel and promising alternatives to antibodies as biorecognition elements mainly synthesized by systematic evolution of ligands by exponential enrichment and have predictable secondary structures. They have comparable affinity and specificity for binding to their target to antibody recognition. Since 2015, there have been about 2000 journal articles published in the field of aptamer biosensors, of which 30 articles were on the detection of P. aeruginosa. Here, we have focused on outlining the recent progress in the field of aptamer-based biosensors for P. aeruginosa detection based on optical, electrochemical, and piezoelectric signal transduction methods.
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