Construction of integrated gene logic-chip

Takeya Masubuchi, Masayuki Endo, Ryo Iizuka, Ayaka Iguchi, Donghyun Yoon, Tetsushi Sekiguchi, Hao Qi, Ryosuke Iinuma, Yuya Miyazono, Shuichi Shoji, Takashi Funatsu, Hiroshi Sugiyama, Yoshie Harada, Takuya Ueda, Hisashi Tadakuma

研究成果: Article

6 引用 (Scopus)

抄録

In synthetic biology, the control of gene expression requires a multistep processing of biological signals. The key steps are sensing the environment, computing information and outputting products1. To achieve such functions, the laborious, combinational networking of enzymes and substrate-genes is required, and to resolve problems, sophisticated design automation tools have been introduced2. However, the complexity of genetic circuits remains low because it is difficult to completely avoid crosstalk between the circuits. Here, we have made an orthogonal self-contained device by integrating an actuator and sensors onto a DNA origami-based nanochip that contains an enzyme, T7 RNA polymerase (RNAP) and multiple target-gene substrates. This gene nanochip orthogonally transcribes its own genes, and the nano-layout ability of DNA origami allows us to rationally design gene expression levels by controlling the intermolecular distances between the enzyme and the target genes. We further integrated reprogrammable logic gates so that the nanochip responds to water-in-oil droplets and computes their small RNA (miRNA) profiles, which demonstrates that the nanochip can function as a gene logic-chip. Our approach to component integration on a nanochip may provide a basis for large-scale, integrated genetic circuits.

元の言語English
ジャーナルNature Nanotechnology
DOI
出版物ステータスAccepted/In press - 2018 1 1

Fingerprint

genes
logic
Genes
chips
enzymes
Enzymes
gene expression
RNA
Gene expression
Networks (circuits)
DNA
deoxyribonucleic acid
Logic gates
Substrates
Crosstalk
automation
crosstalk
MicroRNAs
biology
layouts

ASJC Scopus subject areas

  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

これを引用

Masubuchi, T., Endo, M., Iizuka, R., Iguchi, A., Yoon, D., Sekiguchi, T., ... Tadakuma, H. (受理済み/印刷中). Construction of integrated gene logic-chip. Nature Nanotechnology. https://doi.org/10.1038/s41565-018-0202-3

Construction of integrated gene logic-chip. / Masubuchi, Takeya; Endo, Masayuki; Iizuka, Ryo; Iguchi, Ayaka; Yoon, Donghyun; Sekiguchi, Tetsushi; Qi, Hao; Iinuma, Ryosuke; Miyazono, Yuya; Shoji, Shuichi; Funatsu, Takashi; Sugiyama, Hiroshi; Harada, Yoshie; Ueda, Takuya; Tadakuma, Hisashi.

:: Nature Nanotechnology, 01.01.2018.

研究成果: Article

Masubuchi, T, Endo, M, Iizuka, R, Iguchi, A, Yoon, D, Sekiguchi, T, Qi, H, Iinuma, R, Miyazono, Y, Shoji, S, Funatsu, T, Sugiyama, H, Harada, Y, Ueda, T & Tadakuma, H 2018, 'Construction of integrated gene logic-chip', Nature Nanotechnology. https://doi.org/10.1038/s41565-018-0202-3
Masubuchi, Takeya ; Endo, Masayuki ; Iizuka, Ryo ; Iguchi, Ayaka ; Yoon, Donghyun ; Sekiguchi, Tetsushi ; Qi, Hao ; Iinuma, Ryosuke ; Miyazono, Yuya ; Shoji, Shuichi ; Funatsu, Takashi ; Sugiyama, Hiroshi ; Harada, Yoshie ; Ueda, Takuya ; Tadakuma, Hisashi. / Construction of integrated gene logic-chip. :: Nature Nanotechnology. 2018.
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