Abstract
Efficient isolation and sensitive quantification of Pseudomonas aeruginosa (P. aeruginosa) are crucial for identifying intrauterine infections and preventing the occurrence of intrauterine adhesion (IUA). However, traditional approaches, such as culture-based approach, are time-consuming. Herein, we constructed a detection scaffold by using primer exchange reaction (PER) that integrated the low-speed centrifugation–based isolation and sensitive quantification of target pathogenic bacteria. The established approach possesses several advantages, including (i) the approach is capable of simultaneous isolation and sensitive quantification of target bacteria; (ii) low-speed centrifugation or even manual equipment could be used to isolate target bacteria; and (iii) a low limit of detection was obtained as 54 cfu/mL. Based on this, the approach is a promising approach in analyzing P. aeruginosa from uterine secretions with IUA.
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Acknowledgements
The authors thank the financial and technical support from Women and Children’s Hospital of Chongqing Medical University.
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This research was supported by the National Natural Science Foundation of Chongqing, China (reference: cstc2020jcyj-msxmX0403, cstc2021jcyj-msxmX0846 and CSTB2023NSCQ-MSX0283) and Chongqing Health Appropriate Technology Promotion Project (reference: 2022jstg014).
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QF and YC financed the research; BY, QF, and YC designed and wrote the manuscript; BY performed experiments; YW and XY assisted data analysis.
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Yang, B., Wang, Y., Yan, X. et al. Primer Exchange Reaction (PER)–Based Construction of Scaffold for Low-Speed Centrifugation–Based Isolation and Quantitative Analysis of P. aeruginosa and its application in analyzing uterine secretions with intrauterine adhesion. Appl Biochem Biotechnol (2023). https://doi.org/10.1007/s12010-023-04742-0
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DOI: https://doi.org/10.1007/s12010-023-04742-0