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High-throughput, low-cost and rapid DNA sequencing using surface-coating techniques

Yanzhe Qin, Stephan Koehler, Shengming Zhao, Ruibin Mai, Zhuo Liu, Hao Lu, Chengmei Xing
doi: https://doi.org/10.1101/2020.12.10.418962
Yanzhe Qin
1MGI, BGI-Shenzhen, Shenzhen 518083, China
3BGI-Shenzhen, Shenzhen 518083, China
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  • For correspondence: yanzheqin@126.com
Stephan Koehler
2Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
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Shengming Zhao
3BGI-Shenzhen, Shenzhen 518083, China
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Ruibin Mai
1MGI, BGI-Shenzhen, Shenzhen 518083, China
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Zhuo Liu
1MGI, BGI-Shenzhen, Shenzhen 518083, China
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Hao Lu
1MGI, BGI-Shenzhen, Shenzhen 518083, China
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Chengmei Xing
3BGI-Shenzhen, Shenzhen 518083, China
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Abstract

The speed1–3, expense1–4 and throughput2 of genomic sequencing impose limitations on its use for time-sensitive acute cases, such as rare4,5 or antibiotic resistant infections6, and large-scale testing that is necessary for containing COVID-19 outbreaks using source-tracing7–9. The major bottleneck for increasing the bandwidth and decreasing operating costs of next-generation sequencers (NGS) is the flow cell that supplies reagents for the biochemical processes; this subsystem has not significantly improved since 200510–12. Here we report a new method for sourcing reagents based on surface coating technology (SCT): the DNA adhered onto the biochip is directly contacted by a reagent-coated polymeric strip. Compared with flow cells the reagent layers are an order of magnitude thinner while both the reagent exchange rate and biochip area are orders of magnitude greater. These improvements drop the turn-around time from days to twelve hours and the cost for whole genome sequencing (WGS) from about $1000 to $15, as well as increase data production by several orders of magnitude. This makes NGS more affordable than many blood tests while rapidly providing detailed genomic information about microbial and viral pathogens6,13, cancers14 and genetic disorders for targeted treatments6 and personalized medicine6,15. This data can be pooled in population-wide databases for accelerated research and development as well providing detailed real-time data for tracking and containing outbreaks, such as the current COVID-19 pandemic.

Competing Interest Statement

The authors are employee of BGI-Shenzhen or MGI-Tech.co and bound by confidentiality agreements.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
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Posted December 11, 2020.
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High-throughput, low-cost and rapid DNA sequencing using surface-coating techniques
Yanzhe Qin, Stephan Koehler, Shengming Zhao, Ruibin Mai, Zhuo Liu, Hao Lu, Chengmei Xing
bioRxiv 2020.12.10.418962; doi: https://doi.org/10.1101/2020.12.10.418962
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High-throughput, low-cost and rapid DNA sequencing using surface-coating techniques
Yanzhe Qin, Stephan Koehler, Shengming Zhao, Ruibin Mai, Zhuo Liu, Hao Lu, Chengmei Xing
bioRxiv 2020.12.10.418962; doi: https://doi.org/10.1101/2020.12.10.418962

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