An SPRI beads-based DNA purification strategy for flexibility and cost-effectiveness
文献类型: 外文期刊
第一作者: Liu, Danli
作者: Liu, Danli;Luo, Jing;Huang, Qitong;Zhang, Yubo;Li, Qiujia;Huang, Qitong;Zhang, Yubo
作者机构:
关键词: PEG 8000; SPRI beads; DNA purification method; DNA fragments selective
期刊名称:BMC GENOMICS ( 影响因子:4.4; 五年影响因子:4.7 )
ISSN: 1471-2164
年卷期: 2023 年 24 卷 1 期
页码:
收录情况: SCI
摘要: BackgroundCurrent solid-phase reversible immobilization (SPRI) beads technology is widely used in molecular biology due to its convenience for DNA manipulation. However, the high performance commercial SPRI beads have no price advantage over our method. Furthermore, the use of commercially available SPRI beads standards does not provide the flexibility required for a number of specific nucleic acid handling scenarios.ResultsWe report an efficient DNA purification strategy by combining home-made beads-suspension buffer with SPRI beads. The method tests the critical concentrations of polyethylene glycol (PEG) 8000 and beads to maximise recovery. And the composition of the SPRI beads DNA purification system (SDPS) was determined at 20% PEG 8000, 2 M NaCl and 16.3 mM MgCl2, and 1.25 mg/ml beads (1/8th original concentration). Then, we tested the DNA recovery of the SDPS, and the result showed that it was comparable to the control (AMPure XP beads). In the study, we have also developed an adjustment SPRI beads DNA purification system (ASDPS), the volume of ASDPS per reaction is 0.6x reaction volume (beads/samples). The performance of ASDPS is similar to SDPS and the control. But the cost of our methods is only about 1/24th of the control. To further assess its performance, we prepare the DNA-seq libraries to evaluate the yield, library quality, capture efficiency and consistency. We have compared all these results with the performance of the control and confirmed its efficiency.ConclusionWe have proposed an alternative DNA purification approach with great flexibility, allowing researchers to manipulate DNA in different conditions. And ultimately, its application will benefit molecular biology research in the future.
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