期刊
ACS OMEGA
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.2c05002
关键词
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资金
- United Kingdom Research and Innovation (UKRI) via the Environmental Biotechnology Network [POC202113]
- Engineering and Physical Sciences Research Council (EPSRC) [EP/V030515/1]
- University of Glasgow College of Science and Engineering
In this study, fluorescently labeled estrogens were developed as surrogates for studying biodegradation in environmental bacteria. The developed analytical methods allow for concurrent analysis of both fluorescent and natural estrogens. It was found that BODIPY-labeled estrogens are viable substitutes for investigating biodegradation processes.
Biodegradation of estrogen hormone micropollutants is a well-established approach toward their remediation. Fluorescently labeled substrates are used extensively for rapid, near-real-time analysis of biological processes and are a potential tool for studying biodegradation processes faster and more efficiently than conventional approaches. However, it is important to understand how the fluorescently tagged surrogates compare with the natural substrate in terms of chemical analysis and the intended application. We derivatized three natural estrogens with BODIPY fluorophores by azide-alkyne cycloaddition click reaction and developed an analytical workflow based on simple liquid-liquid extraction and HPLC-PDA analysis. The developed methods allow for concurrent analysis of both fluorescent and natural estrogens with comparable recovery, accuracy, and precision. We then evaluated the use of BODIPY-labeled estrogens as surrogate substrates for studying biodegradation using a model bacterium for estrogen metabolism. The developed analytical methods were successfully employed to compare the biological transformation of 17 beta-estradiol (E2), with and without the BODIPY fluorescent tag. Through measuring the complete degradation of E2 and the transformation of BODIPY-estradiol to BODIPY-estrone in the presence of a co-substrate, we found that BODIPY-labeled estrogens are biologically viable surrogates for investigating biodegradation in environmental bacteria.
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