abstract：:Sporulated cells have potential as time-delayed expression chassis of proteins for applications such as "on-demand" biologics production, whole cell biosensors, or oral vaccines. However, the desired attributes of high expression rates and low product variances are difficult to maintain from germinated spores. In this...

journal_title：ACS synthetic biology

authors： Tamiev D,Lantz A,Vezeau G,Salis H,Reuel NF

更新日期：2019-10-18 00:00:00

abstract：:Microorganisms often use specific autoinducers other than common metabolites for quorum sensing (QS). Herein, we demonstrated that Escherichia coli produced sulfide (H2S, HS-, and S2-) with the concentrations proportionally correlated to its cell density. We then designed synthetic gene circuits that used H2S as an au...

journal_title：ACS synthetic biology

authors： Liu H,Fan K,Li H,Wang Q,Yang Y,Li K,Xia Y,Xun L

更新日期：2019-09-20 00:00:00

abstract：:Biological nitrogen fixation, a process unique to diazotrophic prokaryote, is catalyzed by the nitrogenase complex. There has been a long-standing interest in reconstituting a nitrogenase biosynthetic pathway in a eukaryotic host with the final aim of developing N2-fixing cereal crops. In this study, we report that a ...

journal_title：ACS synthetic biology

authors： Liu X,Wang M,Song Y,Li Y,Liu P,Shi H,Li Y,Hao T,Zhang H,Jiang W,Chen S,Li J

更新日期：2019-08-16 00:00:00

abstract：:Author: Recently, increasing research in siderophores has been dedicated to their possible medical applications in diagnostics and therapeutics for human pathogenic infections. Fusarinine C (FsC) is a natural hydroxamate siderophore that harbors three amino groups, which allow the easy chemical modification of FsC for...

journal_title：ACS synthetic biology

authors： Lu Y,Wang H,Wang Z,Cong Y,Zhang P,Liu G,Liu C,Chi Z,Chi Z

更新日期：2019-08-16 00:00:00

abstract：:Dissimilatory metal-reducing bacteria, particularly those from the genus Shewanella, are of importance for bioremediation of metal contaminated sites and sustainable energy production. However, studies on this species have suffered from a lack of effective genetic tools for precise and high throughput genome manipulat...

journal_title：ACS synthetic biology

authors： Corts AD,Thomason LC,Gill RT,Gralnick JA

更新日期：2019-08-16 00:00:00

abstract：:Microbial electrosynthesis is an emerging technology with the potential to simultaneously store renewably generated energy, fix carbon dioxide, and produce high-value organic compounds. However, limited understanding of the route of electrons into the cell remains an obstacle to developing a robust microbial electrosy...

journal_title：ACS synthetic biology

authors： Tefft NM,TerAvest MA

更新日期：2019-07-19 00:00:00

abstract：:Bacterial biofilms are three-dimensional networks of cells entangled in a self-generated extracellular polymeric matrix composed of proteins, lipids, polysaccharides, and nucleic acids. Biofilms can establish themselves on virtually any accessible surface and lead to varying impacts ranging from infectious diseases to...

journal_title：ACS synthetic biology

authors： Balasubramanian S,Aubin-Tam ME,Meyer AS

更新日期：2019-07-19 00:00:00

abstract：:The Design-Build-Test-Learn (DBTL) cycle, facilitated by exponentially improving capabilities in synthetic biology, is an increasingly adopted metabolic engineering framework that represents a more systematic and efficient approach to strain development than historical efforts in biofuels and biobased products. Here, ...

journal_title：ACS synthetic biology

authors： Opgenorth P,Costello Z,Okada T,Goyal G,Chen Y,Gin J,Benites V,de Raad M,Northen TR,Deng K,Deutsch S,Baidoo EEK,Petzold CJ,Hillson NJ,Garcia Martin H,Beller HR

更新日期：2019-06-21 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：:Robust and precise ratio control of heterogeneous phenotypes within an isogenic population is an essential task, especially in the development and differentiation of a large number of cells such as bacteria, sensory receptors, and blood cells. However, the mechanisms of such ratio control are poorly understood. Here, ...

journal_title：ACS synthetic biology

authors： Menn D,Sochor P,Goetz H,Tian XJ,Wang X

更新日期：2019-06-21 00:00:00

abstract：:An RNA-dependent RNA polymerase ribozyme that was highly optimized through in vitro evolution for the ability to copy a broad range of template sequences exhibits promiscuity toward other nucleic acids and nucleic acid analogues, including DNA, threose nucleic acid (TNA), and arabinose nucleic acid (ANA). By operating...

journal_title：ACS synthetic biology

authors： Horning DP,Bala S,Chaput JC,Joyce GF

更新日期：2019-05-17 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：:Quantification of biology's central dogma (transcription and translation) is pursued by a variety of methods. Direct, immediate, and ongoing quantification of these events is difficult to achieve. Common practice is to use fluorescent or luminescent proteins to report indirectly on prior cellular events, such as turni...

journal_title：ACS synthetic biology

authors： Wick S,Walsh DI 3rd,Bobrow J,Hamad-Schifferli K,Kong DS,Thorsen T,Mroszczyk K,Carr PA

更新日期：2019-05-17 00:00:00

abstract：:Bacterial microcompartments are subcellular compartments found in many prokaryotes; they consist of a protein shell that encapsulates enzymes that perform a variety of functions. The shell protects the cell from potentially toxic intermediates and colocalizes enzymes for higher efficiency. Accordingly, it is of consid...

journal_title：ACS synthetic biology

authors： Sutter M,McGuire S,Ferlez B,Kerfeld CA

更新日期：2019-04-19 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：: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：:Erythromycin is necessary in medical treatment and known to be biosynthesized with propionyl-CoA as direct precursor. Oversupply of propionyl-CoA induced hyperpropionylation, which was demonstrated as harmful for erythromycin synthesis in Saccharopolyspora erythraea. Herein, we identified three propionyl-CoA synthetas...

journal_title：ACS synthetic biology

authors： You D,Wang MM,Yin BC,Ye BC

更新日期：2019-02-15 00:00:00

abstract：:Fucosyl-oligosaccharides (FOSs) play physiologically important roles as prebiotics, neuronal growth factors, and inhibitors of enteropathogens. However, challenges in designed synthesis and mass production of FOSs hamper their industrial applications. Here, we report flexible biosynthetic routes to produce various FOS...

journal_title：ACS synthetic biology

authors： Yun EJ,Liu JJ,Lee JW,Kwak S,Yu S,Kim KH,Jin YS

更新日期：2019-02-15 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：:The design of synthetic cells requires a detailed understanding of the relevance of genes and gene networks underlying complex cellular phenotypes. Transposon-sequencing (Tn-seq) and constraint-based metabolic modeling can be used to probe the core genetic and metabolic networks underlying a biological process. Integr...

journal_title：ACS synthetic biology

authors： diCenzo GC,Mengoni A,Fondi M

更新日期：2019-01-18 00:00:00

abstract：:Materials synthesized by organisms, such as bones and wood, combine the ability to self-repair with remarkable mechanical properties. This multifunctionality arises from the presence of living cells within the material and hierarchical assembly of different components across nanometer to micron scales. While creating ...

journal_title：ACS synthetic biology

authors： Charrier M,Li D,Mann VR,Yun L,Jani S,Rad B,Cohen BE,Ashby PD,Ryan KR,Ajo-Franklin CM

更新日期：2019-01-18 00:00:00

abstract：:We study translation repression in bacteria by engineering a regulatory circuit that functions as a binding assay for RNA binding proteins (RBP) in vivo. We do so by inducing expression of a fluorescent protein-RBP chimera, together with encoding its binding site at various positions within the ribosomal initiation re...

journal_title：ACS synthetic biology

authors： Katz N,Cohen R,Solomon O,Kaufmann B,Atar O,Yakhini Z,Goldberg S,Amit R

更新日期：2018-12-21 00:00:00

abstract：:Synthetic biology relies on the manufacture of large and complex DNA constructs from libraries of genetic parts. Golden Gate and other Type IIS restriction enzyme-dependent DNA assembly methods enable rapid construction of genes and operons through one-pot, multifragment assembly, with the ordering of parts determined...

journal_title：ACS synthetic biology

authors： Potapov V,Ong JL,Kucera RB,Langhorst BW,Bilotti K,Pryor JM,Cantor EJ,Canton B,Knight TF,Evans TC Jr,Lohman GJS

更新日期：2018-11-16 00:00:00

abstract：:Gene expression noise arises from stochastic variation in the synthesis and degradation of mRNA and protein molecules and creates differences in protein numbers across populations of genetically identical cells. Such variability can lead to imprecision and reduced performance of both native and synthetic networks. In ...

journal_title：ACS synthetic biology

authors： Mundt M,Anders A,Murray SM,Sourjik V

更新日期：2018-11-16 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：:Most of the current methods for controlling the formation rate of a key protein or enzyme in cell factories rely on the manipulation of target genes within the pathway. In this article, we present a novel synthetic system for post-translational regulation of protein levels, FENIX, which provides both independent contr...

journal_title：ACS synthetic biology

authors： Durante-Rodríguez G,de Lorenzo V,Nikel PI

更新日期：2018-11-16 00:00:00

abstract：:Biosensors are important components of many synthetic biology and metabolic engineering applications. Here, we report a second generation of Saccharomyces cerevisiae digoxigenin and progesterone biosensors based on destabilized dimeric ligand-binding domains that undergo ligand-induced stabilization. The biosensors, c...

journal_title：ACS synthetic biology

authors： Jester BW,Tinberg CE,Rich MS,Baker D,Fields S

更新日期：2018-10-19 00:00:00

abstract：:A defining goal of synthetic biology is to develop biomaterials with superior performance and versatility. Here we introduce a purely genetically encoded and self-assembling biopolymer based on the SpyTag-SpyCatcher chemistry. We show the application of this polymer for highly efficient uranyl binding and extraction f...

journal_title：ACS synthetic biology

authors： Yang X,Wei J,Wang Y,Yang C,Zhao S,Li C,Dong Y,Bai K,Li Y,Teng H,Wang D,Lyu N,Li J,Chang X,Ning X,Ouyang Q,Zhang Y,Qian L

更新日期：2018-10-19 00:00:00

abstract：:Exploiting the ability of proteins to self-assemble into architectural templates may provide novel routes for the positioning of functional molecules in nanotechnology. Here we report the engineering of multicomponent protein templates composed of distinct monomers that assemble in repeating orders into a dynamic func...

journal_title：ACS synthetic biology

authors： Glover DJ,Lim S,Xu D,Sloan NB,Zhang Y,Clark DS

更新日期：2018-10-19 00:00:00

abstract：:Due to autotrophic growing capacity and extremely rich secondary metabolism, plants should be preferred targets of synthetic biology. However, developments in plants usually run below those in other taxonomic groups. In this work we engineered genetic circuits capable of logic YES, OR and AND Boolean computation in pl...

journal_title：ACS synthetic biology

authors： Cordero T,Rosado A,Majer E,Jaramillo A,Rodrigo G,Daròs JA

更新日期：2018-10-19 00:00:00

abstract：:Prenylated aromatic compounds are important intermediates in the biosynthesis of bioactive molecules such as 3-chromanols from plants, ubiquinones from prokaryotes and meroterpenoids from sponges. Biosynthesis of prenylated aromatic compounds using prokaryotic microorganisms has attracted increasing attention in the f...

journal_title：ACS synthetic biology

authors： He BB,Bu XL,Zhou T,Li SM,Xu MJ,Xu J

更新日期：2018-09-21 00:00:00

abstract：:2-Pyrone-4,6-dicarboxylic acid (PDC) is a pseudoaromatic dicarboxylic acid and is a promising biobased building block chemical that can be used to make diverse polyesters with novel functionalities. In this study, Escherichia coli was metabolically engineered to produce PDC from glucose. First, an efficient biosynthet...

journal_title：ACS synthetic biology

authors： Luo ZW,Kim WJ,Lee SY

更新日期：2018-09-21 00:00:00

abstract：:Novel approaches are needed to combat antibiotic resistance. Here, we describe a computational-experimental framework for the discovery of novel cryptic antimicrobial peptides (AMPs). The computational platform, based on previously validated antimicrobial scoring functions, indicated the activation peptide of pepsin A...

journal_title：ACS synthetic biology

authors： Pane K,Cafaro V,Avitabile A,Torres MT,Vollaro A,De Gregorio E,Catania MR,Di Maro A,Bosso A,Gallo G,Zanfardino A,Varcamonti M,Pizzo E,Di Donato A,Lu TK,de la Fuente-Nunez C,Notomista E

更新日期：2018-09-21 00:00:00

abstract：:Understanding the molecular mechanisms underlying antibiotic resistance requires concerted efforts in enzymology and medicinal chemistry. Here we describe a new synthetic biology approach to antibiotic development, where the presence of tetracycline antibiotics is linked to a life-death selection in Saccharomyces cere...

journal_title：ACS synthetic biology

authors： Scott LH,Mathews JC,Flematti GR,Filipovska A,Rackham O

更新日期：2018-08-17 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：:Increasing protein expression levels is a key step in the commercial production of enzymes. Predicting promoter activity and translation initiation efficiency based solely on consensus sequences have so far met with mixed results. Here, we addressed this challenge using a "brute-force" approach by designing and synthe...

journal_title：ACS synthetic biology

authors： Sauer C,Ver Loren van Themaat E,Boender LGM,Groothuis D,Cruz R,Hamoen LW,Harwood CR,van Rij T

更新日期：2018-07-20 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：:Directed evolution experiments designed to improve the activity of a biocatalyst have increased in sophistication from the early days of completely random mutagenesis. Sequence-based and structure-based methods have been developed to identify "hotspot" positions that when randomized provide a higher frequency of benef...

journal_title：ACS synthetic biology

authors： Moore JC,Rodriguez-Granillo A,Crespo A,Govindarajan S,Welch M,Hiraga K,Lexa K,Marshall N,Truppo MD

更新日期：2018-07-20 00:00:00

abstract：:As fast terminators of G-protein coupled receptor (GPCR) signaling, regulators of G-protein signaling (RGS) serve critical roles in fine-tuning second messenger levels and, consequently, cellular responses to external stimuli. Here, we report the creation of an optogenetic RGS2 (opto-RGS2) that suppresses agonist-evok...

journal_title：ACS synthetic biology

authors： Hannanta-Anan P,Chow BY

更新日期：2018-06-15 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