...This is a versatile mammalian expression vector that you can use to express both SpCas9 and your gRNA in...this is a versatile mammalian expression vector that you can use to express both SpCas9 and your gRNA of...the top requested plasmid from 2016 is an expression vector for CRISPR nuclease, SpCas9 from the Zhang...Cas9-2A and the Puromycin resistance gene as separate peptides. PX459 This is the vector backbone. This...mammalian cell types. Purpose  SpCas9 This plasmid expresses Streptococcus pyogenes (Sp) Cas9 from a Cbh promoter...N-terminus. This tag can be used to test for SpCas9 expression post transfection by western blot. Overall, this...mammalian cell lines. Alternative forms of this vector contain GFP-tagged and un-tagged versions of SpCas9...

...Yeast Expression Vectors Find Bacterial Two Hybrid Plasmids Read our Blog Post About Yeast Vectors Read...El-Bakkoury, M., Hamacher, T., Cappellaro, C., Vilarino, C., Fleischer, C., Ellerbrok, H., Kamuzinzi, R., Ledent...activation. Vary the expression levels of bait and prey proteins - overexpression can lead to false interactions...During this period, proteins were successfully expressed as fusions that retain their individual activities...see Figure 2a) (4). These fusions are then co-expressed in a yeast strain that also contains a reporter...bait”, Figure 2b) cannot activate reporter gene expression on its own, but, if the two POI’s interact, this...the promoter of the reporter gene to activate expression (Figure 2c). The reporter gene then allows detection...

...sequence into distinct expression vectors using the enzyme BbsI. These expression vectors each contain Type...Lentiviral Expression Systems (MuLE) Kit: This kit can be used to create lentiviral vectors expressing wt humanized...containing vector using Golden Gate assembly, and up to 8 gRNAs may be expressed simultaneously. Vectors for ...for ordered assembly into a destination vector that expresses Cas9. This is illustrated in the schematic...Cas9 or dCas9-containing destination vectors. Destination vector options include humanized wt Cas9, dCas9...Each destination vector contains GFP, enabling you to select cells with high GFP expression. These cells ...enables users to express up to 7 gRNAs. The kit contains different destination vectors depending on the...

...to reduce basal expression levels; expression vector cannot have p15A origin of replication F- ompT lon...) pLysE has higher T7 lysozyme expression than pLysS; expression vector cannot have p15A origin of replication...Rhamnose-tunable T7 RNAP expression alleviates inclusion body formation. Expression vector cannot have p15A origin...for recombinant protein expression. Many challenges can arise when over-expressing a foreign protein in ...to avoid them. Why do I need an expression strain? Protein expression from high-copy number plasmids and...Addgene's curated list of Bacterial Expression Systems Table 1: E. coli expression strains  Note: All strains ...General protein expression BL21 (DE3) pLysS* Chloramphenicol (pLysS) pLysS expresses T7 lysozyme to ...

... A cis-splicing vector served as positive control (cis-ctrl). v1, vector 1; v2, vector 2; BD, binding ... offers vectors for CROPseq-multi using selection by Puromycin, Zeocin®, or nuclear expression of BFP2...SARS-CoV-2 research New viral vector preps of Voltron2 voltage sensors AAV vectors for targeting microglia ...voltage sensors By Brian O’Neill New viral vector preps expressing the Voltron2 voltage indicator, created...administering these AAVs with a dilute Cre-expressing vector resulted in a sparsely-labeled field of view...high microglia-specific gene expression when incorporated in an AAV vector (Figure 5). Efficiency and specificity...of miR124T was inserted into the vector to silence transgene expression in neurons and other non-microglia...

...spatiotemporal expression of a gene of interest. This type of control over gene expression is possible in...created a set of modular vectors that can be used to optimally control gene expression in specific cells of...are interested in C. elegans plasmids and resources check out Addgene’s Worm Expression page. Looking for...an ortholog in C. elegans making it ideal to study basic molecular biology processes. C. elegans are also...PMCID: PMC5525645. Mello, Craig C., et al. "Efficient gene transfer in C. elegans: extrachromosomal maintenance...Wei, et al. "From Saccharomyces cerevisiae to human: The important gene co‑expression modules." Biomedical... al., 2009). By injecting mice with retroviral vectors that harbored different mutations found in leukemia...

...-baToN, “sender” cells express GFP on the surface and “receiver” cells express an anti-GFP nanobody on...response 1 (TIR1) expressed under a desired promoter with a specific spatiotemporal expression pattern and ... nanobody cross-reacts with BFP, sender cells expressing surface BFP generated BFP-labeled receiver cells...visualized.  The tool-kit consists of highly useful vectors compatible with Gibson and Saptrap cloning systems...for delivering CRISPRi components by a single AAV vector are now available from Tonia Rex's lab.  vfCRISPR...Jacobs-Wagner’s lab produce different levels of dCas9 expression and contain different antibiotic resistance markers...from Hongkui Zeng's lab are available for dual expression of cytoplasmic-tdTomato and Synaptophysin-GFP...

... existing transposon and vector systems and creating an all-synthetic vector that included only the elements... into a destination vector in a predefined order. Finally, the destination vectors are used with Multisite... eight entry vectors can be used for each Multisite Gateway compatible destination vector for a maximum... to Addgene, including lentiviral and AAV expression vectors for certain variants. Klapoetke et al.,...step, compatible Level 0 vectors are directionally assembled into a Level 1 vector creating a single transcriptional...Cre-based Brainbow-expressing cells. Autobow plasmids are all-in-one versions which express self-excising ... May 5;10(6):540-7. pCoofy vectors for optimizing protein expression Under the direction of Sabine ...

...to be expressed. These permit exquisite control of gene expression and tracing of gene expression across... basal expression. Co-expression of repressor QS along with QF leads to intermediate expression from QUAS...transgene permits directed expression of that gene in cells that also express GAL4. Usage of this system...UAS to examine the expression of reporter genes, or to combine reporter expression from one promoter with...basal state, and co-expression of the inducer QF can increase QUAS driven expression by ~3,300-fold in ... Shen. “Controlling gene expression with the Q repressible binary expression system in Caenorhabditis ...SO, Schmidt-Dannert C. Development of a synthetic cumate-inducible gene expression system for Bacillus...

...to create recombinant vectors that can replicate in different bacteria and express proteins within different... S. (2011). Broad-host-range plasmid vectors for gene expression in bacteria. Methods in Molecular Biology...Gill, R. T. (2010). Broad-host-range vectors for protein expression across gram negative hosts. Biotechnology...Cloning Vectors for Gram-Negative Bacteria. In R. L. Rodriguez & D. T. Denhardt (Eds.), Vectors (pp. 287... inform us on how to create better recombinant vectors. In this blog post, we’ll define plasmid host range...features to create broad host range recombinant vectors.  A plasmid’s host range is determined by the ...groups (Jain and Srivastava 2013).  Recombinant vectors that are made from broad host range plasmids are...

...modular vector assembly process designed for a quick, plug-and-play approach to cloning CRISPR vectors (McGee...for each module, generate the vector file, and quickly clone their vector of interest. And it truly is ...destination vectors for various delivery methods, along with compatible inserts. All destination vectors contain...heavy lifting out of CRISPR vector design, making it easier to get the vectors that are just right for your...Fragmid destination vectors currently available. Table 1: Fragmid destination vectors Organism Delivery...designing a CRISPR vector the Fragmid way!    Figure 1: Selecting your vector type on the Fragmid...plasmid and generating the vector file on the Fragmid website.   If the vector is to your liking, your...

...variety of pExpression vectors) plasmids. The type IIS restriction sites used in these vectors are of low...easier to produce the constructs you need. Expression vectors within this kit contain a variety of promoters... oocytes. The expression vectors additionally contain various combinations of protein tags (His, Avi, ... with the problem of creating vectors for predictable protein expression in bacteria, researchers at the...Process with pCri Cell-free protein expression kit Cell-free expression systems have been improved for both... the pCell-Free vectors, Gateway-compatible backbones that enable cell-free expression of proteins in ...comparison of different cell-free expression systems; the Cell-free expression test kit represents a set of...

...Addgene  Choosing an expression system Choosing an appropriate expression vector is the first step in .... (2007) ‘Improved Gateway Binary Vectors: High-Performance Vectors for Creation of Fusion Constructs ...are binary gateway vectors and can be used for promoter swapping and generating N and C terminally tagged...for visual selection of transformants based on expression of RFP in the seed (Emami, Yee and Dinneny, 2013...many insertions can cause artifacts from over-expression and it is likely that such a construct will be... ‘A robust family of Golden Gate Agrobacterium vectors for plant synthetic biology’, Frontiers in Plant...sweet potato contains Agrobacterium T-DNAs with expressed genes: An example of a naturally transgenic food...

...codon optimized specifically for expression in yeast. These tagging vectors are based on previously described...interest. These fluorescently tagged genes are expressed under native conditions and allow scientists to...described pFA6a-link vectors and include a Kan, SpHIS5, or CaURA3 selection marker. Lee et al.(1) assessed...from these yeast-optimized fluorophore tagging vectors for your single or multi-color imaging experiments...gene deletion, overexpression (by promoter substitution), and tagging at either the N- or C-terminus (3xHA...artifacts sometimes associated with plasmid-based overexpression. Tim Formosa, at the University of Utah, has...3xHA, 13xMyc, GST, or GFP). Longtine et al.(3) describe a complimentary set of plasmids for use in S. ...

...Addgene Resources on Addgene.org Find Yeast Expression Vectors Check Out Our Molecular Biology Reference...epitope tags to the C-termini of Met proteins, which can be used to confirm protein expression by western blotting...yeast species into the pYES2.1/V5-His yeast overexpression vector. This plasmid contains origins of replication... or S. cerevisiae. Students then determine if expression of the plasmid-encoded MET gene allows the transformed...cannot grow without uracil supplementation (6). Expression of MET/Met genes from the pYES2.1 plasmid is ...Students then use replica plating to determine if expression of MET/Met genes from the plasmids allows the...Since the GAL1 promoter controls MET/Met gene expression, complementation should only occur when galactose...

...determined by comparing cells expressing only eGFP expression to cells expressing eGFP and mCherry. ACE was...mCherry and a T2A site and expressed in cells. mCherry is constitutively expressed to identify successfully...that can be repaired by NHEJ restoring mCherry expression. Cells can then be sorted using Fluorescence-...BFP variant, a BE4am-Cas9 base editor, and sgRNA vectors for the BFP-to-GFP conversion and to target specific...integrated it into human and mouse cells that expressed either Cas9 or an optimized cytidine base editor... of a mutated start codon to initiate protein expression, it can be used for an array of detectable proteins...successfully transfected cells. C-to-T editing by the APOBEC-Cas9 editosome would restore eGFP fluorescence, making...

...conditional gene expression, multiplexed CRISPR, and chromosomal integration of larger expression cassettes ...chromosomal integration and gene expression, the system includes a toolkit to express recombinant proteins within...the Rapid Design and Production of Diverse Expression Vectors.” ACS Synthetic Biology, vol. 6, no. 7, American...journal.pone.0197185. Chamness, James C., et al. “An Extensible Vector Toolkit and Parts Library for Advanced... tools can be used in bacterial and cell-free expression systems, mammalian cells, yeast, flies, and even...from individual transcription units (TUs) used to express your favorite gene-of-interest, all the way to ...with E. coli and/or cell-free systems. Protein expression in yeast MoClo is also for eukaryotes! The technology...

...targeted repression of gene expression. They successfully knock down expression of essential and non essential... of Gene Expression. Cell 152:1173–1183 . https://doi.org/10.1016/j.cell.2013.02.022 Ronda C, Pedersen...) technology (Ronda et al., 2016). pMA7CR_2.0 expresses lambda Red and Cas9, which are separately inducible...function in bacteria, most efforts to regulate gene expression were limited to inducible promoters or direct... much more user-friendly way to modulate gene expression. The Marraffini lab and Qi lab developed early...repression. Using a Tet responsive promoter to drive expression of a catalytically dead Cas9 enzyme allows reversible...the gRNA cassette, one can reliably knockdown expression of multiple target transcripts simultaneously...

...loxP sites such that their expression is turned on or off in cells expressing Cre. The result of a system...allows the visualization of fluorescent proteins expressed in the specimen.  2. Fluorescence Activated Cell...immune lineage, scientists could easily track GFP expressing cells. For example, by harvesting lymph nodes...efforts have been made to create transgenic mice expressing fluorescent protein reporter constructs in the...above depicts the infiltration of neutrophils expressing LysM-GFP (green) into a draining lymph node after...Subcellular Localization Find Fluorescent Protein Empty Vectors ...system and its dynamics. References 1. Peters, Nathan C., et al. "In vivo imaging reveals an essential role...

...continues to be challenging. Organism specific viral vector systems would also be beneficial for many systems...snail can be manipulated by injected RNA and can express fluorescent proteins. This lab has created an automated...habitats - even 50 meters from Old Faithful in 60 °C soils. Dendrobatidae (Lauren O’Connell)  Poison frogs...So, think beyond Drosophila melanogaster or Saccharomyces cerevisiae (both fine research organisms) -  ...