合成生物学論文メモ (Jul 2020)
読み流した論文のメモ。黒色はメモ、緑色は感想、赤色は特に面白いと思ったもの。
27報
Synthetic Biology
Transcription/Translation Control
遺伝子回路、転写翻訳制御など- Assessment of Robustness to Temperature in a Negative Feedback Loop and a Feedforward Loop
- Authors: A. Patel, R.M. Murray & S. Sen
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00023
- Institution: Indian Institute of Technology, India
ここの温度依存性は分子生物学的には何に依存しているのか気になるところ。GFPの蛍光活性の問題か、反応物の衝突頻度の問題か、また別か。
- Majority sensing in synthetic microbial consortia
- Authors: R.N. Alnahhas, M. Sadeghpour, Y. Chen, A.A. Frey, W. Ott, K. Josić & M.R. Bennett
- Journal: Nature Communications
- Year: 2020
- DOI: 10.1038/s41467-020-17475-z
- Institution: Rice University, USA
やり尽くされた感のある課題ではあるが、実験結果は例外的にクリア。
- Exploiting natural chemical photosensitivity of anhydrotetracycline and tetracycline for dynamic and setpoint chemo-optogenetic control
- Authors: A. Baumschlager, M. Rullan & M. Khammash
- Journal: Nature Communications
- Year: 2020
- DOI: 10.1038/s41467-020-17677-5
- Institution: ETH−Zürich, Switzerland
広く使われていたシステムだけに誰も知らなかった事が驚き。
RNA Synthetic Biology
アプタマー、リボザイムなど- Artificial Protein-Responsive Riboswitches Upregulate Non-AUG Translation Initiation in Yeast
- Authors: F. Horie, K. Endo & K. Ito
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00206
- Institution: University of Tokyo, Japan
似たような非AUGの開始コドン機構ががん細胞で見られるらしく、一般の分子細胞生物学へアンテナを張っておく重要性も感じる。
Cell-free / Reconstruction
無細胞系、再構成など- Cell-free biosensors for rapid detection of water contaminants
- Authors: J.K. Jung, K.K. Alam, M.S. Verosloff, D.A. Capdevila, M. Desmau, P.R. Clauer, J.W. Lee, P.Q. Nguyen, P.A. Pastén, S.J. Matiasek, J.-F. Gaillard, D.P. Giedroc, J.J. Collins & Julius B. Lucks
- Journal: Nature Biotechnology
- Year: 2020
- DOI: 10.1038/s41587-020-0571-7
- Institution: Northwestern, USA
Optogenetics
光駆動型ツール、蛍光イメージング、光受容体など、その他〇〇genetics系- Wegner..Bioluminescence-Triggered Photoswitchable Bacterial Adhesions Enable Higher Sensitivity and Dual-Readout Bacterial Biosensors for Mercury
- Authors: F. Chen, R.L. Warnock, J.R.V. Meer & S.V
- Journal: ACS Sensors
- Year: 2020
- DOI: 10.1021/acssensors.0c00855
- Institution: University of Münster, Germany
luxCDABEの発光量、波長でpMagの活性化が出来た点は割と驚き。発現量調節は必要だが、Cell-free系のセンサーで利用されているような他のTFリガンドに対しても応用出来そう。
- Bright and High-Performance Genetically Encoded Ca2+ Indicator Based on mNeonGreen Fluorescent Protein
- Authors: L. Zarowny, A. Aggarwal, V.M.S. Rutten, I. Kolb, The GENIE Project, R. Patel, H.-Y. Huang, Y.-F. Chang, T. Phan, R. Kanyo, M.B. Ahrens, W.T. Allison, K. Podgorski & R.E. Campbell
- Journal: ACS Sensors
- Year: 2020
- DOI: 10.1021/acssensors.0c00279
- Institution: University of Alberta, Canada
- Genetically Encoded Split-Luciferase Biosensors to Measure Endosome Disruption Rapidly in Live Cells
- Authors: K.V. Kilchrist, J.W. Tierney & C.L. Duvall
- Journal: ACS Sensors
- Year: 2020
- DOI: 10.1021/acssensors.0c00103
- Institution: Vanderbilt University, USA
エンドソームの崩壊というネガティブな出来事をポジティブに検出するアイデアが秀逸。
- Evolution-inspired design of multicolored photoswitches from a single cyanobacteriochrome scaffold
- Authors: K. Fushimi, M. Hasegawa, T. Ito, N.C. Rockwell, G. Enomoto, N.-N. Win, J.C. Lagarias, M. Ikeuchi & R. Narikawa
- Journal: PNAS
- Year: 2020
- DOI: 10.1073/pnas.2004273117
- Institution: Shizuoka University, Japan
- A non-invasive far-red light-induced split-Cre recombinase system for controllable genome engineering in mice
- Authors: J. Wu, M. Wang, X. Yang, C. Yi, J. Jiang, Y. Yu & H. Ye
- Journal: Nature Communications
- Year: 2020
- DOI: 10.1038/s41467-020-17530-9
- Institution: East China Normal University, China
近赤外光を利用した生体マウスでのリコンビネーション誘導まで遂に来たかという感じ。
Protein Engineering
タンパク質工学- Accessing unexplored regions of sequence space in directed enzyme evolution via insertion/deletion mutagenesis
- Authors: S. Emond, M. Petek, E.J. Kay, B Heames, S.R.A. Devenish, N Tokuriki & F. Hollfelder
- Journal: Nature Communications
- Year: 2020
- DOI: 10.1038/s41467-020-17061-3
- Institution: University of Cambridge, UK
タンパク質工学におけるランダム変異の選択肢が増える画期的な手法。
- Directed Evolution of Ornithine Cyclodeaminase Using an EvolvR- Based Growth-Coupling Strategy for Efficient Biosynthesis of L‑Proline
- Authors: Mengfei Long, Meijuan Xu,* Zhina Qiao, Zhenfeng Ma, Tolbert Osire, Taowei Yang, Xian Zhang, Minglong Shao, and Zhiming Rao
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00198
- Institution: Jiangnan University, China
growthに関わるものだけでなく蛍光タンパクのdirected evolutionでも、進化の伸びが頭打ちになりかけた段階でこの方法を取り入れると効果的かも。
- An evolution-based model for designing chorismate mutase enzymes
- Authors: W.P. Russ, M. Figliuzzi, C. Stocker, P. Barrat-Charlaix, M. Socolich, P. Kast, D. Hilvert, R. Monasson, S. Cocco, M. Weigt & R. Ranganathan
- Journal: Science
- Year: 2020
- DOI: 10.1126/science.aba3304
- Institution: University of Texas, University of Chicago, USA
こういう手法でスクリーニングの規模が抑えられれば、スタンダードになっていくのでは。
CRISPR/Cas
クリスパー系- CRISPR-Mediated Activation of Biosynthetic Gene Clusters for Bioactive Molecule Discovery in Filamentous Fungi
- Authors: I. Roux, C. Woodcraft, J. Hu, R. Wolters, C.L.M. Gilchrist & Y.-H. Chooi
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00197
- Institution: University of Western Australia, Australia
- A positive, growth-based PAM screen identifies noncanonical motifs recognized by the S. pyogenes Cas9
- Authors: D. Collias, R.T. Leenay, R.A. Slotkowski, Z. Zuo, S.P. Collins, B.A. McGirr, J. Liu & C.L. Beisel
- Journal: Science Advances
- Year: 2020
- DOI: 10.1126/sciadv.abb4054
- Institution: North Carolina State University, USA
Metabolic/Signal Pathway Engineering
シグナル経路、代謝経路、酵素工学など- Controlled Functional Zonation of Hepatocytes In Vitro by Engineering of Wnt Signaling
- Authors: T. Wahlicht, G. Vièyres, S.A. Bruns, N. Meumann, H. Büning, H. Hauser, I. Schmitz, T. Pietschmann & D. Wirth
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.9b00435
- Institution: Medical University Hannover, Germany
- Synthetic Control of Signal Flow Within a Bacterial Multi-Kinase Network
- Authors: K.A. Kowallis, E.M. Silfani, A.P. Kasumu, G. Rong, V. So & W.S. Childers
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00043
- Institution: University of Pittsburgh, USA
Cell-free / Reconstruction
無細胞系、再構成など- Reconstituted cell-free protein synthesis using in vitro transcribed tRNAs
- Authors: K. Hibi, K. Amikura, N. Sugiura, K. Masuda, S. Ohno, T. Yokogawa, T. Ueda & Y. Shimizu
- Journal: Communications Biology
- Year: 2020
- DOI: 10.1038/s42003-020-1074-2
- Institution: The Univesiry of Tokyo, Japan
DNA / Biophysics
DNA、核酸論理回路、ナノスケール構造物など- Cotranscriptional Folding of a Bio-orthogonal Fluorescent Scaffolded RNA Origami
- Authors: E. Torelli, J. Kozyra, B. Shirt-Ediss, L. Piantanida, K. Voïtchovsky & N. Krasnogor
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00009
- Institution: Newcastle University, UK
- Rational Design and Self-Assembly of Coiled-Coil Linked SasG Protein Fibrils
- Authors: L. Jasaitis, C.D. Silver, A.E. Rawlings, D.T. Peters, F. Whelan, L. Regan, L. Pasquina-Lemonche, J.R. Potts, S.D. Johnson & S.S. Staniland
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00156
- Institution: University of Sheffie, UK
- Designer protein assemblies with tunable phase diagrams in living cells
- Authors: M. Heidenreich, J.M. Georgeson, E. Locatelli, L. Rovigatti, S.K. Nandi, A. Steinberg, Y. Nadav, E. Shimoni, S.A. Safran, J.P.K. Doye & E.D. Levy
- Journal: Nature Chemical Biology
- Year: 2020
- DOI: 10.1038/s41589-020-0576-z
- Institution: Weizmann Institute of Science, Israel
この構造体によって相分離の具合にどの程度変化が現れるのかは不明だが、相分離系の生物工学にとっては非常に大きな一歩。
Biochemistry
生化学系- Optimizing the Specificity Window of Biomolecular Receptors Using Structure-Switching and Allostery
- Authors: S. Bissonnette, E.D. Grosso, A.J. Simon, K.W. Plaxco, F. Ricci & A. Vallée-Bélisle
- Journal: ACS Sensors
- Year: 2020
- DOI: 10.1021/acssensors.0c00237
- Institution: Université de Montréal, Canada
タンパク質で出来れば理想的。
Bioinformatics
- Automated design of thousands of nonrepetitive parts for engineering stable genetic systems
- Authors: A. Hossain, E. Lopez, S.M. Halper, D.P. Cetnar, A.C. Reis, D. Strickland, E. Klavins & H.M. Salis
- Journal: Nature Biotechnology
- Year: 2020
- DOI: 10.1038/s41587-020-0584-2
- Institution: Pennsylvania State University, USA
各遺伝子配列をグラフによって説明している点が面白かった。配列をグラフで上手く示すことが出来れば精度の高いGCNの導入も可能かも。
General Biology / Biotechnology
- From Electronic Sequence to Purified Protein Using Automated Gene Synthesis and In Vitro Transcription/Translation
- Authors: C. Chiocchini, K. Vattem, M. Liss, L. Ludewig, T. Reusch, I. Rastogi, B. Webb & A. Trefzer
- Journal: ACS Synthetic Biology
- Year: 2020
- DOI: 10.1021/acssynbio.0c00060
- Institution: GENEART GmbH, Germany
- Large-scale DNA-based phenotypic recording and deep learning enable highly accurate sequence-function mapping
- Authors: S. Höllerer, L. Papaxanthos, A.C. Gumpinger, K. Fischer, C. Beisel, K. Borgwardt, Y. Benenson & M. Jeschek
- Journal: Nature Communications
- Year: 2020
- DOI: 10.1038/s41467-020-17222-4
- Institution: ETH Zurich, Switzerland
RBS以外の要素や、それらの組み合わせについても是非応用して欲しいところ。