abstract：:The ability to rapidly design, build, and test prototypes is of key importance to every engineering discipline. DNA assembly often serves as a rate limiting step of the prototyping cycle for synthetic biology. Recently developed DNA assembly methods such as isothermal assembly and type IIS restriction enzyme systems t...

journal_title：ACS synthetic biology

authors： Halleran AD,Swaminathan A,Murray RM

更新日期：2018-05-18 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：:Medium-chain fatty acids (MCFAs) are key intermediates in the synthesis of medium-chain chemicals including α-olefins and dicarboxylic acids. In bacteria, microbial production of MCFAs is limited by the activity and product profile of fatty acyl-ACP thioesterases. Here, we engineer a heterologous bacterial medium-chai...

journal_title：ACS synthetic biology

authors： Sarria S,Bartholow TG,Verga A,Burkart MD,Peralta-Yahya P

更新日期：2018-05-18 00:00:00

abstract：:RNAs mediate many different processes that are central to cellular function. The ability to quantify or image RNAs in live cells is very useful in elucidating such functions of RNA. RNA aptamer-fluorogen systems have been increasingly used in labeling RNAs in live cells. Here, we use the malachite green aptamer (MGA),...

journal_title：ACS synthetic biology

authors： Yerramilli VS,Kim KH

更新日期：2018-03-16 00:00:00

abstract：:A gene-directed chemical communication pathway between synthetic protocell signaling transmitters (lipid vesicles) and receivers (proteinosomes) was designed, built and tested using a bottom-up modular approach comprising small molecule transcriptional control, cell-free gene expression, porin-directed efflux, substra...

journal_title：ACS synthetic biology

authors： Tang TD,Cecchi D,Fracasso G,Accardi D,Coutable-Pennarun A,Mansy SS,Perriman AW,Anderson JLR,Mann S

更新日期：2018-02-16 00:00:00

abstract：:RNA structures regulate various steps in gene expression. Transcription in bacteria is typically terminated by stable hairpin structures. Translation initiation can be modulated by metabolite- or temperature-sensitive RNA structures, called riboswitches or RNA thermometers (RNATs), respectively. RNATs control translat...

journal_title：ACS synthetic biology

authors： Roßmanith J,Weskamp M,Narberhaus F

更新日期：2018-02-16 00:00:00

abstract：:Scarless genetic manipulation of genomes is an essential tool for biological research. The restriction-modification (R-M) system is a defense system in bacteria that protects against invading genomes on the basis of its ability to distinguish foreign DNA from self DNA. Here, we designed an R-M system-mediated genome e...

journal_title：ACS synthetic biology

authors： Bai H,Deng A,Liu S,Cui D,Qiu Q,Wang L,Yang Z,Wu J,Shang X,Zhang Y,Wen T

更新日期：2018-01-19 00:00:00

abstract：:Feedback control allows cells to dynamically sense and respond to environmental changes. However, synthetic controller designs can be challenging because of implementation issues, such as determining optimal expression levels for circuit components within a feedback loop. Here, we addressed this by coupling rational d...

journal_title：ACS synthetic biology

authors： Siu Y,Fenno J,Lindle JM,Dunlop MJ

更新日期：2018-01-19 00:00:00

abstract：:Engineered bacteria promise to revolutionize diagnostics and therapeutics, yet many applications are precluded by the limited number of detectable signals. Here we present a general framework to engineer synthetic receptors enabling bacterial cells to respond to novel ligands. These receptors are activated via ligand-...

journal_title：ACS synthetic biology

authors： Chang HJ,Mayonove P,Zavala A,De Visch A,Minard P,Cohen-Gonsaud M,Bonnet J

更新日期：2018-01-19 00:00:00

abstract：:Cell-free gene expression systems are emerging as an important platform for a diverse range of synthetic biology and biotechnology applications, including production of robust field-ready biosensors. Here, we combine programmed cellular autolysis with a freeze-thaw or freeze-dry cycle to create a practical, reproducib...

journal_title：ACS synthetic biology

authors： Didovyk A,Tonooka T,Tsimring L,Hasty J

更新日期：2017-12-15 00:00:00

abstract：:Although recent advances in synthetic biology allow us to produce biological designs more efficiently than ever, our ability to predict the end result of these designs is still nascent. Predictive models require large amounts of high-quality data to be parametrized and tested, which are not generally available. Here, ...

journal_title：ACS synthetic biology

authors： Morrell WC,Birkel GW,Forrer M,Lopez T,Backman TWH,Dussault M,Petzold CJ,Baidoo EEK,Costello Z,Ando D,Alonso-Gutierrez J,George KW,Mukhopadhyay A,Vaino I,Keasling JD,Adams PD,Hillson NJ,Garcia Martin H

更新日期：2017-12-15 00:00:00

abstract：:Staphylococci are prevalent skin-dwelling bacteria that are also leading causes of antibiotic-resistant infections. Viruses that infect and lyse these organisms (virulent staphylococcal phages) can be used as alternatives to conventional antibiotics and represent promising tools to eliminate or manipulate specific spe...

journal_title：ACS synthetic biology

authors： Bari SMN,Walker FC,Cater K,Aslan B,Hatoum-Aslan A

更新日期：2017-12-15 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：:Improved plants are necessary to meet human needs. Agrobacterium-mediated transformation is the most common method used to rewire plant capabilities. For plant gene delivery, DNA constructs are assembled into binary T-DNA vectors that rely on broad host range origins for bacterial replication. Here we present pLX vect...

journal_title：ACS synthetic biology

authors： Pasin F,Bedoya LC,Bernabé-Orts JM,Gallo A,Simón-Mateo C,Orzaez D,García JA

更新日期：2017-10-20 00:00:00

abstract：:The deeply red-colored natural compound prodigiosin is a representative of the prodiginine alkaloid family, which possesses bioactivities as antimicrobial, antitumor, and antimalarial agents. Various bacteria including the opportunistic human pathogen Serratia marcescens and different members of the Streptomycetaceae ...

journal_title：ACS synthetic biology

authors： Klein AS,Domröse A,Bongen P,Brass HUC,Classen T,Loeschcke A,Drepper T,Laraia L,Sievers S,Jaeger KE,Pietruszka J

更新日期：2017-09-15 00:00:00

abstract：:Site directed RNA editing is an engineered tool for the posttranscriptional manipulation of RNA and proteins. Here, we demonstrate the inclusion of additional N- and C-terminal protein domains in an RNA editing-dependent manner to switch between protein isoforms in mammalian cell culture. By inclusion of localization ...

journal_title：ACS synthetic biology

authors： Vogel P,Hanswillemenke A,Stafforst T

更新日期：2017-09-15 00:00:00

abstract：:Multidrug resistance (MDR) is a globally relevant problem that requires novel approaches. Two-component systems are a promising, yet untapped target for novel antibacterials. They are prevalent in bacteria and absent in mammals, and their activity can be modulated upon perception of various stimuli. Screening pre-exis...

journal_title：ACS synthetic biology

authors： Lehning CE,Heidelberger JB,Reinhard J,Nørholm MHH,Draheim RR

更新日期：2017-07-21 00:00:00

abstract：:A common approach to design genetic circuits is to compose gene expression cassettes together. While appealing, this modular approach is challenged by the fact that expression of each gene depends on the availability of transcriptional/translational resources, which is in turn determined by the presence of other genes...

journal_title：ACS synthetic biology

authors： Qian Y,Huang HH,Jiménez JI,Del Vecchio D

更新日期：2017-07-21 00:00:00

abstract：:The methods to execute biological experiments are evolving. Affordable fluid handling robots and on-demand biology enterprises are making automating entire experiments a reality. Automation offers the benefit of high-throughput experimentation, rapid prototyping, and improved reproducibility of results. However, learn...

journal_title：ACS synthetic biology

authors： Gupta V,Irimia J,Pau I,Rodríguez-Patón A

更新日期：2017-07-21 00:00:00

abstract：:Phages are biological entities found in every ecosystem. Although much has been learned about them in past decades, significant knowledge gaps remain. Manipulating virulent phage genomes is challenging. To date, no efficient gene-editing tools exist for engineering virulent lactococcal phages. Lactococcus lactis is a ...

journal_title：ACS synthetic biology

authors： Lemay ML,Tremblay DM,Moineau S

更新日期：2017-07-21 00:00:00

abstract：:Eukaryotic transcriptional factors (TFs) typically recognize short genomic sequences alone or together with other proteins to modulate gene expression. Mapping of TF-DNA interactions in the genome is crucial for understanding the gene regulatory programs in cells. While chromatin immunoprecipitation followed by sequen...

journal_title：ACS synthetic biology

authors： Xiong X,Zhang Y,Yan J,Jain S,Chee S,Ren B,Zhao H

更新日期：2017-06-16 00:00:00

abstract：:Mycoplasma hominis is a minimal human pathogen that is responsible for genital and neonatal infections. Despite many attempts, there is no efficient genetic tool to manipulate this bacterium, limiting most investigations of its pathogenicity and its uncommon energy metabolism that relies on arginine. The recent clonin...

journal_title：ACS synthetic biology

authors： Rideau F,Le Roy C,Descamps ECT,Renaudin H,Lartigue C,Bébéar C

更新日期：2017-05-19 00:00:00

abstract：:The extracellular expression of recombinant proteins using laboratory strains of Escherichia coli is now routinely achieved using naturally secreted substrates, such as YebF or the osmotically inducible protein Y (OsmY), as carrier molecules. However, secretion efficiency through these pathways needs to be improved fo...

journal_title：ACS synthetic biology

authors： Natarajan A,Haitjema CH,Lee R,Boock JT,DeLisa MP

更新日期：2017-05-19 00:00:00

abstract：:A bacterial flavin transferase (ApbE) was recently employed for flavin mononucleotide (FMN) modification on the Na+-translocating NADH:quinone oxidoreductase C (NqrC) protein in the pathogenic Gram-negative bacterium Vibrio cholerae. We employed this unique post-translational modification in mammalian cells and found ...

journal_title：ACS synthetic biology

authors： Kang MG,Park J,Balboni G,Lim MH,Lee C,Rhee HW

更新日期：2017-04-21 00:00:00

abstract：:Multitargeting small regulatory RNAs (sRNAs) represent a potentially useful tool for metabolic engineering applications. Natural multitargeting sRNAs govern bacterial gene expression by binding to the translation initiation regions of protein-coding mRNAs through base pairing. We designed an Escherichia coli based gen...

journal_title：ACS synthetic biology

authors： Lahiry A,Stimple SD,Wood DW,Lease RA

更新日期：2017-04-21 00:00:00

abstract：:Streptomycetes are Gram-positive mycelial bacteria, which synthesize a wide range of natural products including over two-thirds of the currently available antibiotics. However, metabolic engineering in Streptomyces species to overproduce a vast of natural products are hampered by a limited number of genetic tools. Her...

journal_title：ACS synthetic biology

authors： Yi JS,Kim MW,Kim M,Jeong Y,Kim EJ,Cho BK,Kim BG

更新日期：2017-03-17 00:00:00

abstract：:The cellular response to hypoxia is orchestrated by HIF-1, a heterodimeric transcription factor composed of an α and a β subunit that enables cell survival under low oxygen conditions by altering the transcription of over 300 genes. There is significant evidence that inhibition of HIF-1 would be beneficial for cancer ...

journal_title：ACS synthetic biology

authors： Mistry IN,Tavassoli A

更新日期：2017-03-17 00:00:00

abstract：:Lactams are an important class of commodity chemicals used in the manufacture of nylons, with millions of tons produced every year. Biological production of lactams could be greatly improved by high-throughput sensors for lactam biosynthesis. To identify biosensors of lactams, we applied a chemoinformatic approach ins...

journal_title：ACS synthetic biology

authors： Zhang J,Barajas JF,Burdu M,Ruegg TL,Dias B,Keasling JD

更新日期：2017-03-17 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：:The versatility of Ca2+ signals allows it to regulate diverse cellular processes such as migration, apoptosis, motility and exocytosis. In some receptors (e.g., VEGFR2), Ca2+ signals are generated upon binding their ligand(s) (e.g., VEGF-A). Here, we employed a design strategy to engineer proteins that generate a Ca2+...

journal_title：ACS synthetic biology

authors： Qudrat A,Truong K

更新日期：2017-03-17 00:00:00

abstract：:Episodic gene expression, with periods of high expression separated by periods of no expression, is a pervasive biological phenomenon. This bursty pattern of expression draws from a finite reservoir of expression machinery in a highly time variant way, i.e., requiring no resources most of the time but drawing heavily ...

journal_title：ACS synthetic biology

authors： Caveney PM,Norred SE,Chin CW,Boreyko JB,Razooky BS,Retterer ST,Collier CP,Simpson ML

更新日期：2017-02-17 00:00:00

abstract：:Cellobiose phosphorylase (CBP) cleaves cellobiose-abundant in plant biomass-to glucose and glucose 1-phosphate. However, the pentose sugar xylose, also abundant in plant biomass, acts as a mixed-inhibitor and a substrate for the reverse reaction, limiting the industrial potential of CBP. Preventing xylose, which lacks...

journal_title：ACS synthetic biology

authors： Chomvong K,Lin E,Blaisse M,Gillespie AE,Cate JH

更新日期：2017-02-17 00:00:00

abstract：:Amyloids are highly ordered, hierarchal protein nanoassemblies. Functional amyloids in bacterial biofilms, such as Escherichia coli curli fibers, are formed by the polymerization of monomeric proteins secreted into the extracellular space. Curli is synthesized by living cells, is primarily composed of the major curlin...

journal_title：ACS synthetic biology

authors： Seker UO,Chen AY,Citorik RJ,Lu TK

更新日期：2017-02-17 00:00:00

abstract：:Genetic switches in which the activity of T7 RNA polymerase (RNAP) is directly regulated by external signals are obtained with an engineering strategy of splitting the protein into fragments and using regulatory domains to modulate their reconstitutions. Robust switchable systems with excellent dark-off/light-on prope...

journal_title：ACS synthetic biology

authors： Han T,Chen Q,Liu H

更新日期：2017-02-17 00:00:00

abstract：:Type I modular polyketide synthases (PKSs) are polymerases that utilize acyl-CoAs as substrates. Each polyketide elongation reaction is catalyzed by a set of protein domains called a module. Each module usually contains an acyltransferase (AT) domain, which determines the specific acyl-CoA incorporated into each conde...

journal_title：ACS synthetic biology

authors： Yuzawa S,Deng K,Wang G,Baidoo EE,Northen TR,Adams PD,Katz L,Keasling JD

更新日期：2017-01-20 00:00:00

abstract：:Secondary structure formation of mRNA, caused by desynchronization of transcription and translation, is known to impact gene expression in vivo. Yet, inactivation of mRNA by secondary structures in cell-free protein expression is frequently overlooked. Transcription and translation rates are often not highly synchroni...

journal_title：ACS synthetic biology

authors： Hansen MM,Ventosa Rosquelles M,Yelleswarapu M,Maas RJ,van Vugt-Jonker AJ,Heus HA,Huck WT

更新日期：2016-12-16 00:00:00

abstract：:The microbial ability to resist stressful environmental conditions and chemical inhibitors is of great industrial and medical interest. Much of the data related to mutation-based stress resistance, however, is scattered through the academic literature, making it difficult to apply systematic analyses to this wealth of...

journal_title：ACS synthetic biology

authors： Winkler JD,Halweg-Edwards AL,Erickson KE,Choudhury A,Pines G,Gill RT

更新日期：2016-12-16 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：:While inducing agents are often used to redirect resources from growth and proliferation toward product outputs, they can be prohibitively expensive on the industrial scale. Previously, we developed an autonomously guided protein production system based on the rewiring of E. coli's native quorum sensing (QS) signal tr...

journal_title：ACS synthetic biology

authors： Zargar A,Quan DN,Bentley WE

更新日期：2016-09-16 00:00:00

abstract：:Microbial mutualisms play critical roles in a diverse number of ecosystems and have the potential to improve the efficiency of bioproduction for desirable chemicals. We investigate the growth of a photosynthetic cyanobacterium, Synechococcus elongatus PCC 7942, and a diazotroph, Azotobacter vinelandii, in coculture. F...

journal_title：ACS synthetic biology

authors： Smith MJ,Francis MB

更新日期：2016-09-16 00:00:00