New Prodigiosin Derivatives Obtained by Mutasynthesis in Pseudomonas putida.

abstract：:Phenazine-1-carboxamide (PCN) produced by multifarious Pseudomonas strains represents a promising candidate as a new metabolite pesticide due to its broad-spectrum antifungal activity and capacity to induce systemic resistance in plants. The rice rhizosphere Pseudomonas strain PA1201 contains two reiterated gene clust...

journal_title：ACS synthetic biology

authors： Jin ZJ,Zhou L,Sun S,Cui Y,Song K,Zhang X,He YW

更新日期：2020-07-17 00:00:00

abstract：:In this work we report synthetic adhesins (SAs) enabling the rational design of the adhesion properties of E. coli. SAs have a modular structure comprising a stable β-domain for outer membrane anchoring and surface-exposed immunoglobulin domains with high affinity and specificity that can be selected from large repert...

journal_title：ACS synthetic biology

authors： Piñero-Lambea C,Bodelón G,Fernández-Periáñez R,Cuesta AM,Álvarez-Vallina L,Fernández LÁ

更新日期：2015-04-17 00:00:00

abstract：:Komagataeibacter xylinus has received increasing attention as an important microorganism for the conversion of several carbon sources to bacterial cellulose (BC). However, BC productivity has been impeded by the lack of efficient genetic engineering techniques. In this study, a lambda Red and FLP/FRT-mediated site-spe...

journal_title：ACS synthetic biology

authors： Liu LP,Yang X,Zhao XJ,Zhang KY,Li WC,Xie YY,Jia SR,Zhong C

更新日期：2020-11-20 00:00:00

abstract：:The Synthetic Biology Open Language (SBOL) is an emerging synthetic biology data exchange standard, designed primarily for unambiguous and efficient machine-to-machine communication. However, manual editing of SBOL is generally difficult for nontrivial designs. Here, we describe ShortBOL, a lightweight SBOL scripting ...

journal_title：ACS synthetic biology

authors： Crowther M,Grozinger L,Pocock M,Taylor CPD,McLaughlin JA,Mısırlı G,Bartley BA,Beal J,Goñi-Moreno A,Wipat A

更新日期：2020-04-17 00:00:00

abstract：:The measurement of gene expression using fluorescence markers has been a cornerstone of synthetic biology for the past two decades. However, the use of arbitrary units has limited the usefulness of these data for many quantitative purposes. Calibration of fluorescence measurements from flow cytometry and plate reader ...

journal_title：ACS synthetic biology

authors： Fedorec AJH,Robinson CM,Wen KY,Barnes CP

更新日期：2020-09-18 00:00:00

abstract：:The ability of RNA to sense, regulate, and store information is an attractive attribute for a variety of functional applications including the development of regulatory control devices for synthetic biology. RNA folding and function is known to be highly context sensitive, which limits the modularity and reuse of RNA ...

journal_title：ACS synthetic biology

authors： Kent R,Halliwell S,Young K,Swainston N,Dixon N

更新日期：2018-07-20 00:00:00

abstract：:The CRISPR-Cas9 nuclease has been repurposed as a tool for gene repression (CRISPRi). This catalytically dead Cas9 (dCas9) variant inhibits transcription by blocking either initiation or elongation by the RNA polymerase complex. Conditional control of dCas9-mediated repression has been achieved with inducible promoter...

journal_title：ACS synthetic biology

authors： Koopal B,Kruis AJ,Claassens NJ,Nobrega FL,van der Oost J

更新日期：2019-02-15 00:00:00

abstract：:Directed evolution requires the creation of genetic diversity and subsequent screening or selection for improved variants. For DNA mutagenesis, conventional site-directed methods implicitly utilize the Boolean AND operator (creating all mutations simultaneously), producing a combinatorial explosion in the number of ge...

journal_title：ACS synthetic biology

authors： Currin A,Kwok J,Sadler JC,Bell EL,Swainston N,Ababi M,Day P,Turner NJ,Kell DB

更新日期：2019-06-21 00:00:00

abstract：:In many biotechnological applications, it is useful for gene expression to be regulated by multiple signals, as this allows the programming of complex behavior. Here we implement, in Escherichia coli, a system that compares the concentration of two signal molecules, and tunes GFP expression proportionally to their rel...

journal_title：ACS synthetic biology

authors： Annunziata F,Matyjaszkiewicz A,Fiore G,Grierson CS,Marucci L,di Bernardo M,Savery NJ

更新日期：2017-10-20 00:00:00

abstract：:A negating functionality is fundamental to information processing of logic circuits within cells and computers. Aiming to adapt unutilized electronic concepts to the interrogation of signaling circuits in cells, we first took a bottom-up strategy whereby we created protein-based devices that perform negating Boolean l...

journal_title：ACS synthetic biology

authors： Razavi S,Su S,Inoue T

更新日期：2014-09-19 00:00:00

abstract：:Metabolic engineering of Escherichia coli was performed to construct a 100% rationally engineered strain capable of overproducing L-isoleucine, an important branched-chain amino acid. The thrABC (encoding L-threonine biosynthetic enzymes), ilvA (encoding feedback-resistant threonine dehydratase), ilvIH (encoding feedb...

journal_title：ACS synthetic biology

authors： Park JH,Oh JE,Lee KH,Kim JY,Lee SY

更新日期：2012-11-16 00:00:00

abstract：:In this work, we develop methodologies for analyzing and cross comparing metabolic models. We investigate three important metabolic networks to discuss the complexity of biological organization of organisms, modeling, and system properties. In particular, we analyze these metabolic networks because of their biotechnol...

journal_title：ACS synthetic biology

authors： Carapezza G,Umeton R,Costanza J,Angione C,Stracquadanio G,Papini A,Lió P,Nicosia G

更新日期：2013-05-17 00:00:00

abstract：:Living organisms employ endogenous negative feedback loops to maintain homeostasis despite environmental fluctuations. A pressing open challenge in Synthetic Biology is to design and implement synthetic circuits to control host cells' behavior, in order to regulate and maintain desired conditions. To cope with the hig...

journal_title：ACS synthetic biology

authors： Fiore G,Matyjaszkiewicz A,Annunziata F,Grierson C,Savery NJ,Marucci L,di Bernardo M

更新日期：2017-03-17 00:00:00

abstract：:As a product of a multistep enzymatic reaction, accumulation of poly(3-hydroxybutyrate) (PHB) in Escherichia coli (E. coli) can be achieved by overexpression of the PHB synthesis pathway from a native producer involving three genes phbC, phbA, and phbB. Pathway optimization by adjusting expression levels of the three ...

journal_title：ACS synthetic biology

authors： Li T,Ye J,Shen R,Zong Y,Zhao X,Lou C,Chen GQ

更新日期：2016-11-18 00:00:00

abstract：:Transcription activator-like effectors (TALEs) are proteins secreted by Xanthomonas bacteria to aid the infection of plant species. TALEs assist infections by binding to specific DNA sequences and activating the expression of host genes. Recent results show that TALE proteins consist of a central repeat domain, which ...

journal_title：ACS synthetic biology

authors： Moore R,Chandrahas A,Bleris L

更新日期：2014-10-17 00:00:00

abstract：:Feedback allows biological systems to control gene expression precisely and reliably, even in the presence of uncertainty, by sensing and processing environmental changes. Taking inspiration from natural architectures, synthetic biologists have engineered feedback loops to tune the dynamics and improve the robustness ...

journal_title：ACS synthetic biology

authors： Agrawal DK,Tang X,Westbrook A,Marshall R,Maxwell CS,Lucks J,Noireaux V,Beisel CL,Dunlop MJ,Franco E

更新日期：2018-05-18 00:00:00

abstract：:In the search for enzymatically processed RNA fragments, we found the novel three-way junction motif. The structure prediction suggested the arrangement of helices at acute angle approx. 60°. This allows the design of a trimeric RNA nanoparticle that can be functionalized with multiple regulatory fragments. Such RNA n...

journal_title：ACS synthetic biology

authors： Jedrzejczyk D,Chworos A

更新日期：2019-03-15 00:00:00

abstract：:To facilitate the construction of cell-free genetic devices, we evaluated the ability of 17 different fluorescent proteins to give easily detectable fluorescence signals in real-time from in vitro transcription-translation reactions with a minimal system consisting of T7 RNA polymerase and E. coli translation machiner...

journal_title：ACS synthetic biology

authors： Lentini R,Forlin M,Martini L,Del Bianco C,Spencer AC,Torino D,Mansy SS

更新日期：2013-09-20 00:00:00

abstract：:Modern bioprocessing depends on superior cellular traits, many stemming from unknown genes and gene interactions. Tolerance to toxic chemicals is such an industrially important complex trait, which frequently limits the economic feasibility of producing commodity chemicals and biofuels. Chemical tolerance encompasses ...

journal_title：ACS synthetic biology

authors： Zingaro KA,Nicolaou SA,Yuan Y,Papoutsakis ET

更新日期：2014-07-18 00:00:00

abstract：:Cell-free protein synthesis (CFPS) is a widely used research tool in systems and synthetic biology. However, if CFPS is to become a mainstream technology for applications such as point of care manufacturing, we must understand the performance limits and costs of these systems. Toward this question, we used sequence sp...

journal_title：ACS synthetic biology

authors： Vilkhovoy M,Horvath N,Shih CH,Wayman JA,Calhoun K,Swartz J,Varner JD

更新日期：2018-08-17 00:00:00

abstract：:To spatially control biochemical functions at specific sites within a genome, we have engineered a synthetic switch that activates when bound to its DNA target site. The system uses two CRISPR-Cas complexes to colocalize components of a de novo-designed protein switch (Co-LOCKR) to adjacent sites in the genome. Coloca...

journal_title：ACS synthetic biology

authors： Kirkpatrick RL,Lewis K,Langan RA,Lajoie MJ,Boyken SE,Eakman M,Baker D,Zalatan JG

更新日期：2020-09-18 00:00:00

abstract：:Dramatic improvements to computational, robotic, and biological tools have enabled genetic engineers to conduct increasingly sophisticated experiments. Further development of biological tools offers a route to bypass complex or expensive mechanical operations, thereby reducing the time and cost of highly parallelized ...

journal_title：ACS synthetic biology

authors： Kittleson JT,DeLoache W,Cheng HY,Anderson JC

更新日期：2012-12-21 00:00:00

abstract：:We developed a hybrid synthetic circuit that co-opts the genetic regulation of the native bacterial quorum sensing autoinducer-2 and imposes an extra external controller for maintaining tightly controlled gene expression. This dual-input genetic controller was mathematically modeled and, by design, can be operated in ...

journal_title：ACS synthetic biology

authors： Hauk P,Stephens K,Virgile C,VanArsdale E,Pottash AE,Schardt JS,Jay SM,Sintim HO,Bentley WE

更新日期：2020-10-16 00:00:00

abstract：:To program cells in a dynamic manner, synthetic biologists require precise control over the threshold levels and timing of gene expression. However, in practice, modulating gene expression is widely carried out using prototypical ligand-inducible promoters, which have limited tunability and spatiotemporal resolution. ...

journal_title：ACS synthetic biology

authors： Jayaraman P,Yeoh JW,Zhang J,Poh CL

更新日期：2018-11-16 00:00:00

abstract：:Top-down reduction of the bacterial genome to construct desired chassis cells is important for synthetic biology. However, the current progress in the field of genome reduction is greatly hindered by indispensable life-essential genes that are interspersed throughout the chromosomal loci. Here, we described a new meth...

journal_title：ACS synthetic biology

authors： Xue X,Wang T,Jiang P,Shao Y,Zhou M,Zhong L,Wu R,Zhou J,Xia H,Zhao G,Qin Z

更新日期：2015-06-19 00:00:00

abstract：:The availability of different host chassis will greatly expand the range of applications in synthetic biology. Members of the Acetobacteraceae family of Gram-negative bacteria form an attractive class of nonmodel microorganisms that can be exploited to produce industrial chemicals, food and beverage, and biomaterials....

journal_title：ACS synthetic biology

authors： Teh MY,Ooi KH,Danny Teo SX,Bin Mansoor ME,Shaun Lim WZ,Tan MH

更新日期：2019-04-19 00:00:00

abstract：:One limitation of gene-directed enzyme prodrug therapy (GDEPT) is the difficulty in selectively and efficiently transducing cancer cells with the gene encoding a prodrug-converting enzyme. To circumvent this issue, we sought to move the selectivity from the gene delivery level to the protein level. We developed fusion...

journal_title：ACS synthetic biology

authors： Warren TD,Patel K,Eshleman JR,Ostermeier M

更新日期：2019-05-17 00:00:00

abstract：:In this paper, we present a new strategy for microprinting dense bacterial communities with a prescribed organization on a substrate. Unlike conventional bioprinting techniques that require bioinks, through optogenetic manipulation, we directly manipulated the behaviors of Pseudomonas aeruginosa to allow these living ...

journal_title：ACS synthetic biology

authors： Huang Y,Xia A,Yang G,Jin F

更新日期：2018-05-18 00:00:00

abstract：:The structural complexity of nonribosomal peptides (NRPs) impeding economic chemical synthesis and poor cultivability of source organisms limits the development of bioprocesses for novel bioactive compounds. Since nonribosomal peptide synthetases (NRPSs) assemble NRPs from simple amino acid building blocks, heterologo...

journal_title：ACS synthetic biology

authors： Jaitzig J,Li J,Süssmuth RD,Neubauer P

更新日期：2014-07-18 00:00:00

abstract：:In response to emergent antibiotic resistance, new strategies are needed to enhance the effectiveness of existing antibiotics. Here, we describe a phagemid-delivered, RNA-mediated system capable of directly knocking down antibiotic resistance phenotypes. Small regulatory RNAs (sRNAs) were designed to specifically inhi...

journal_title：ACS synthetic biology

authors： Libis VK,Bernheim AG,Basier C,Jaramillo-Riveri S,Deyell M,Aghoghogbe I,Atanaskovic I,Bencherif AC,Benony M,Koutsoubelis N,Löchner AC,Marinkovic ZS,Zahra S,Zegman Y,Lindner AB,Wintermute EH

更新日期：2014-12-19 00:00:00