A Method for the Quantitative Determination of the Active Receptor of Beta-Lactam Antibiotics BlaR-CTD for Bioanalytical Applications

Serchenya, T. S.; Semizhon, P. A.; Schaslionak, A. P.; Harbachova, I. V.; Vashkevich, I. I.; Sviridov, O. V.

doi:10.1134/s0003683823010106

Appl Biochem Microbiol

2023

DOI: 10.1134/s0003683823010106

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A Method for the Quantitative Determination of the Active Receptor of Beta-Lactam Antibiotics BlaR-CTD for Bioanalytical Applications

T. S. Serchenya

P. A. Semizhon²,

A. P. Schaslionak³

et al.

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Cited by 4 publications

References 29 publications

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Production of Natural Penicillin-Binding Protein 2 and Development of a Signal-Amplified Fluorescence Polarization Assay for the Determination of 28 Beta-Lactam Antibiotics in Milk

Hu,

Wang

2024

J. Agric. Food Chem.

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In this study, two magnetic activity-based protein profiling probes based on cephradine and amoxicillin were first synthesized that were used to produce the natural penicillin-binding protein 2 of Escherichia coli. After characterization by using LC-ESI-MS/MS, it was found that the obtained proteins by using the two probes were the same. The molecular docking for 28 betalactam antibiotics showed that the key amino acids were Ser330 and Ser387, the main intermolecular forces were hydrogen bond and hydrophobic interaction, and the main binding sites in their molecules were on the beta-lactam ring. Then this protein was combined with streptavidin-labeled tracer and biotinylated fluorescein isothiocyanate to establish a signal-amplified fluorescence polarization assay to determine the 28 drugs in milk. The limits of detection ranged from 0.07 to 2.21 ng/mL, and the sensitivities for the 28 drugs were improved 4 to 48-fold in comparison with the use of a fluorescein isothiocyanate-labeled fluorescent tracer. Therefore, this method could be used for rapid multiscreening of the 28 beta-lactam antibiotics in milk.

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Production of Natural Penicillin-Binding Protein 2 and Development of a Signal-Amplified Fluorescence Polarization Assay for the Determination of 28 Beta-Lactam Antibiotics in Milk

Hu,

Wang

2024

J. Agric. Food Chem.

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The Dependence of the Group Specificity of Immunoenzyme Determination of Penicillins in Milk on the Temperature and Duration of Antibiotic Cross Reactions with Polyclonal Antibodies

Kuprienko,

Vashkevich,

Zilberman

et al. 2023

Appl Biochem Microbiol

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Immunoassay Systems for Detection and Quantitative Determination of Cefalexin

Serchenya,

Harbachova,

Vashkevich

et al. 2024

Appl Biochem Microbiol

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A Method for the Quantitative Determination of the Active Receptor of Beta-Lactam Antibiotics BlaR-CTD for Bioanalytical Applications

Cited by 4 publications

References 29 publications

Production of Natural Penicillin-Binding Protein 2 and Development of a Signal-Amplified Fluorescence Polarization Assay for the Determination of 28 Beta-Lactam Antibiotics in Milk

Production of Natural Penicillin-Binding Protein 2 and Development of a Signal-Amplified Fluorescence Polarization Assay for the Determination of 28 Beta-Lactam Antibiotics in Milk

The Dependence of the Group Specificity of Immunoenzyme Determination of Penicillins in Milk on the Temperature and Duration of Antibiotic Cross Reactions with Polyclonal Antibodies

Immunoassay Systems for Detection and Quantitative Determination of Cefalexin

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