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A Versatile Microfluidic Device for Automating Synthetic Biology

Journal Article · · ACS Synthetic Biology
 [1];  [2];  [1];  [3];  [4];  [5];  [2];  [1]
  1. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Technology Division; Sandia National Lab. (SNL-CA), Livermore, CA (United States)
  2. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Technology Division; Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Fuels Synthesis Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division
  3. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Fuels Synthesis Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division
  4. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Fuels Synthesis Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division; Univ. of California, Berkeley, CA (United States). Dept. of Chemical & Biomolecular Engineering, Dept. of Bioengineering
  5. Joint BioEnergy Inst. (JBEI), Emeryville, CA (United States). Technology Division; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Physical Bioscience Division

New microbes are being engineered that contain the genetic circuitry, metabolic pathways, and other cellular functions required for a wide range of applications such as producing biofuels, biobased chemicals, and pharmaceuticals. Although currently available tools are useful in improving the synthetic biology process, further improvements in physical automation would help to lower the barrier of entry into this field. We present an innovative microfluidic platform for assembling DNA fragments with 10× lower volumes (compared to that of current microfluidic platforms) and with integrated region-specific temperature control and on-chip transformation. Integration of these steps minimizes the loss of reagents and products compared to that with conventional methods, which require multiple pipetting steps. For assembling DNA fragments, we implemented three commonly used DNA assembly protocols on our microfluidic device: Golden Gate assembly, Gibson assembly, and yeast assembly (i.e., TAR cloning, DNA Assembler). Here, we demonstrate the utility of these methods by assembling two combinatorial libraries of 16 plasmids each. Each DNA plasmid is transformed into Escherichia coli or Saccharomyces cerevisiae using on-chip electroporation and further sequenced to verify the assembly. Lastly, we anticipate that this platform will enable new research that can integrate this automated microfluidic platform to generate large combinatorial libraries of plasmids and will help to expedite the overall synthetic biology process.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1378593
Journal Information:
ACS Synthetic Biology, Journal Name: ACS Synthetic Biology Journal Issue: 10 Vol. 4; ISSN 2161-5063
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (22)

Digital microfluidic immobilized cytochrome P450 reactors with integrated inkjet-printed microheaters for droplet-based drug metabolism research journal August 2018
Scaling up genetic circuit design for cellular computing: advances and prospects journal October 2018
Synthesis and cell-free cloning of DNA libraries using programmable microfluidics journal October 2015
DNA assembly with error correction on a droplet digital microfluidics platform journal June 2018
End-to-end automated microfluidic platform for synthetic biology: from design to functional analysis journal February 2016
Review of Microfluidic Photobioreactor Technology for Metabolic Engineering and Synthetic Biology of Cyanobacteria and Microalgae journal October 2016
Biofunctionalization of Glass‐ and Paper‐Based Microfluidic Devices: A Review journal August 2019
Microfluidics‐Implemented Biochemical Assays: From the Perspective of Readout journal September 2019
Synthetic and systems biology for microbial production of commodity chemicals journal April 2016
RNA-aptamers-in-droplets (RAPID) high-throughput screening for secretory phenotypes journal August 2017
Common principles and best practices for engineering microbiomes journal September 2019
Direct cloning and heterologous expression of the salinomycin biosynthetic gene cluster from Streptomyces albus DSM41398 in Streptomyces coelicolor A3(2) journal October 2015
Microfabricated tools for quantitative plant biology journal January 2017
On-chip integration of droplet microfluidics and nanostructure-initiator mass spectrometry for enzyme screening journal January 2017
Droplet microfluidics for synthetic biology journal January 2017
Why microfluidics? Merits and trends in chemical synthesis journal January 2017
Image-based feedback and analysis system for digital microfluidics journal January 2017
Emerging microalgae technology: a review journal January 2018
An integrated droplet-digital microfluidic system for on-demand droplet creation, mixing, incubation, and sorting journal January 2019
Standardization in synthetic biology: an engineering discipline coming of age journal September 2017
One cell, one drop, one click: hybrid microfluidic mammalian single-cell isolation posted_content January 2020
Role of Digital Microfluidics in Enabling Access to Laboratory Automation and Making Biology Programmable journal June 2020

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