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首页> 外文期刊>Journal of Biotechnology >Characterization of 24-well microtiter plate reactors for a complex multistep bioconversion: from sitosterol to androstenedione
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Characterization of 24-well microtiter plate reactors for a complex multistep bioconversion: from sitosterol to androstenedione

机译:复杂的多步生物转化的24孔微量滴定板反应器的表征:从谷甾醇到雄烯二酮

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摘要

Microtiter plates are commonly used for screening purposes and one-pot biotransformations. Nonetheless, there are scarce systematic studies focused on the application of these systems to complex whole cell multistep bioconversions, which typically require prolonged incubation periods, and on the evaluation of the reproducibility of data generated in such shaken miniature reactors. The present study aims to contribute to fill in this gap. The model system selected was the side-chain cleavage of beta-sitosterol performed by whole cells of Mycobacterium sp. NRRL B-3805 in 24-well microtiter plates. Reproducibility of the data was assessed within the 24 wells of the microtiter plate as well as matching different plates placed in different positions on the shaking platform. Results show the suitability of microtiter plates with proper oxygen and pH monitoring capabilities to carry out complex multistep bioconversion using relatively slow growing bacteria. Reproducibility levels are in the range of an interval of confidence of 92%.
机译:微量滴定板通常用于筛选目的和一锅法生物转化。然而,很少有系统的研究集中在将这些系统应用于复杂的全细胞多步生物转化中,这通常需要延长的孵育时间,以及评估在这种摇动的微型反应器中产生的数据的可再现性。本研究旨在弥补这一空白。选择的模型系统是由分枝杆菌属sp的全细胞进行的β-谷甾醇的侧链切割。 NRRL B-3805在24孔微量滴定板中。在微量滴定板的24个孔内以及在振动平台上放置在不同位置的不同板进行匹配时,评估了数据的可重复性。结果表明,具有适当的氧气和pH监测功能的微量滴定板适用于使用生长较慢的细菌进行复杂的多步生物转化。重现性水平在置信区间的92%范围内。

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