Reference: Li C, et al. (2021) Integrated Addressable Dynamic Droplet Array (aDDA) as Sub-Nanoliter Reactors for High-Coverage Genome Sequencing of Single Yeast Cells. Small 17(37):e2100325

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Abstract


An addressable dynamic droplet array (aDDA) is presented that combines the advantages of static droplet arrays and continuous-flow droplet platforms. Modular fabrication is employed to create a self-contained integrated aDDA. All the sample preparation steps, including single-cell isolation, cell lysis, amplification, and product retrieval, are performed in sequence within a sub-nanoliter (≈300 pL) droplet. Sequencing-based validation suggests that aDDA reduces the amplification bias of multiple displacement amplification (MDA) and elevates the percentage of one-yeast-cell genome recovery to 91%, as compared to the average of 26% using conventional, 20 µL volume MDA reactions. Thus, aDDA is a valuable addition to the toolbox for high-genome-coverage sequencing of single microbial cells.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Li C, Gong Y, Wang X, Xu J, Ma B
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