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We narrowed to 40 results for: gag pol vector

Showing: 1 - 20 of 40 results

  1. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    ...Packaging genes (viral Gag-Pol): Gag is a structural precursor protein, and Pol is a polymerase. Envelope gene...γ-retroviruses use the same gene products for packaging (Gag, Pol, and Env), the isoforms of these proteins, as ...utilizes a packaging cell line that stably expresses Gag-Pol and/or Env, eliminating the need to deliver these...Garry Nolan at Stanford (Swift, 2001) contains Gag-Pol and either an ecotropic envelope, Phoenix-ECO, ...days. Another variant, Phoenix-gp, contains only Gag-Pol and enables additional flexibility in pseudotyping...lentiviruses and standard γ-retroviruses use the Gag, Pol, and Env genes for packaging; however, they are...Addgene blog Viral Vector Elements The Retroviral Life Cycle Popular Retroviral Vectors and Their Use in...

  2. Lentivirus Plasmids

    Type
    Collection
    ...Packaging Contains gag, pol, tat, rev Kasparov 1732 pCPRDEnv 2nd Packaging part of the FELIX vector system, expresses...Scharenberg 12251 pMDLg/pRRE 3rd Packaging Contains Gag and Pol; can be used with 3rd generation transfer plasmids... Rev Trono 12260 psPAX2 2nd Packaging Contains Gag, Pol, Rev, and Tat; can be used with 2nd and 3rd generation...Trono 12263 pCMV delta R8.2 2nd Packaging Contains Gag, Pol, Rev, and Tat; can be used with 2nd and 3rd generation...Weinberg 8455 pCMV-dR8.2 dvpr 2nd Packaging Contains Gag, Pol, Rev, Tat, Vif, and Nef; can be used with 2nd ...expresses Gag-Pol and Rev Nolan 35617 pCAG-Eco N/A Envelope Ecotropic MLV expressing envelope plasmid ...Reiser 17531 pCD/NL-BH*DDD 2nd Packaging Contains Gag/Pol, Tat, Rev. Use with envelope plasmids from Jakob...

  3. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    ... production (3 or 4). Third-generation vectors contain gag, pol, and rev. Second-generation contains those...ingredients: the lentiviral packaging vector, a transfer vector including the gene of interest, and the...gamma-retroviruses use the same genes for packaging (that's gag, pol, and env), the isoforms of these proteins, as ...3rd-generation transfer vectors apart? A3: Addgene defines 2nd- or 3rd-generation transfer vectors based on whether...between 2nd- and 3rd-generation vectors? What does this mean for transfer vectors? A4: The lentiviral packaging... and a packaging plasmid encoding HIV proteins gag, pol, rev, and tat. 3rd generation systems require ...plasmid, and two packaging plasmids, one encoding gag and pol and a second encoding rev.  Secondly, 3rd generation...

  4. Retrovirus Plasmids

    Type
    Collection
    ...MoMLV gag and pol; use with envelope plasmid Weinberg 12371 pCL-Eco Packaging Contains MoMLV gag, pol,...pol, and env Verma 35614 pBS-CMV-gagpol Packaging MoMLV gag and pol Salmon 8454 pCMV-VSV-G Envelope Envelope...Biosafety Guide Lentiviral Plasmids AAV Plasmids Viral Vectors 101 eBook γ-Retrovirus (gamma-retrovirus) is an...

  5. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    ...making virus’ or what gag and pol stand for, we demystify all components of viral vectors here! Need Virus...types, but most vectors are based on adenovirus 5 (Ad5).     Fig. 3 - Viral vector components of...of adenovirus Building viral vectors Addgene has many viral vectors and helper plasmids for all the...Check out Addgene's Viral Service! Types of viral vectors Of the many viruses out there, only a small subset...adeno-associated virus (AAV). The components of these vectors are also split across several plasmids (often three...called helper plasmids. Below, we’ll breakdown the vector components first by virus and then by function....particle to interact with the host. This is the role of Gag proteins: they contain the matrix, capsid, and nucleocapsid...

  6. 15 Years of Addgene: The Top 15 Plasmids

    Type
    Blog Post
    ...the HIV gag, pol, rev, and tet genes. It can be used with 2nd or 3rd generation lentiviral vectors and an...  Find the scrambled shRNA vector. pLKO.1 - TRC cloning vector - This vector from the David Root lab is...plasmid from the Trono lab that contains the gag and pol genes. It also requires pRSV-Rev and the envelope...opening our UK office in 2014, to starting our viral vector service in 2016...we’re excited to help scientists...lentiCRISPR v2 - This 3rd generation lentiviral transfer vector also from the Zhang lab is used to deliver Cas9...your gRNA of interest into mammalian cells. This vector was the top requested plasmid of 2015. What makes... This plasmid from the Zhang lab is a mammalian vector that expresses both SpCas9 and your gRNAs and was...

  7. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    ...plasmid (envelope plasmid), and the polymerase (Pol) for replication and Gag structural protein on yet a third...cell line with those particles. Since the Env, Gag, and Pol genes are not encoded in the transfer plasmid... on the Addgene blog Viral Vectors 101: Types of Viruses Viral Vector Elements Tips for Preventing... contact with than GFP. Similarly, if the viral vector carries an shRNA to a gene essential for cellular...cellular function, this would also be a higher risk vector. While it is unlikely that you, or anyone else ... be disposed of following your lab’s biohazard policies. Administering Virus Many virus experiments involve... accident-prone researchers. Note that safety policies will vary slightly from organization to organization...

  8. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    ...important for viral production: Gag (structural precursor protein), Pol (polymerase), Tat (viral transactivator...Lentiviral vectors are one of the most popular and useful viral vectors in the lab. Advantages of lentivirus...dividing and non-dividing cells. Lentiviral vectors are the vector of choice for many CRISPR applications,...and future) applications of lentiviral vectors! Lentiviral vector history and components In the early ...viral vector systems based on retroviruses like Moloney murine leukemia virus (MMLV). The vectors could...adeno-associated viral vectors can also target non-dividing cells, lentiviral vectors can carry much more... plasmids: one encoding Rev and one encoding Gag and Pol, increasing the number of recombination events...

  9. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    ...care (4). For this reason, viral vectors often employ other non-poly(A) transcript-stabilizing and nuclear...terminator will suffice. Many commercial expression vectors use double terminators to reduce unwanted translation...Expression of Transgenes  Delivered by Retroviral Vectors. Journal of Virology. 1999. PubMed PMID: 10074136...constitutive RNA transport element lead to enhanced HIV-1 Gag expression in a context-dependent manner. Nucleic... both polyadenylation and termination. Out of those listed, the SV40 late polyA and rbGlob polyA are thought...any 3’ regulatory elements, such as the polyadenylation or poly(A) signal. While many studies focus on ...purpose and mechanism of polyadenylation vary across cell types, but polyadenylation generally serves to promote...

  10. Quick Guide to All Things Lentivirus

    Type
    Blog Post
    ...three HIV-1 genes (gag, pol, and rev) for production. Third generation lentiviral vectors can be used for...your experiment using the lentiviral vector system. Viral vectors have been increasingly popular in fundamental...primary cells. Amongst the different vectors used, lentiviral vector constructs have proven very useful ...fluorescent sensors. Retroviral vector background Until the development of viral vectors, gene transfer into mammalian...un-transfectable cells, labs use viral vectors and particularly retroviral vectors because they target a broader...necessary for the production of a viral particle (Gag, Pol, Tat, Rev and Env) and the transfer plasmid encoding...attractive choice for a gene transfer vector. Lentiviral vectors Although retroviruses are still in use...

  11. Viral Vectors 101: Integrase-Deficient Lentiviral Vectors

    Type
    Blog Post
    ...plasmid contains Gag, Pol, Rev, and Tat genes. Specifically for our knowledge here, the Pol gene encodes ...lentiviral vectors, how they work, and why you might choose them over integrating lentiviral vectors.  Before...integrase-deficient lentiviral vectors, let’s briefly revisit the basic biology of lentiviral vectors (for a more detailed...lentiviral vectors that are competent for one round of infection (AKA transduction in the viral vector world...life cycle of a lentiviral vector with an integrase-deficient viral vector. Created with BioRender.com...lentiviral vectors? There are several reasons why you might choose an IDLV over a lentiviral vector: 1. No...include detecting vector particle components or performing quantitative PCR titration of vector DNA in samples...

  12. Viral Vectors 101: The Retroviral Lifecycle

    Type
    Blog Post
    ...blog Viral Vectors 101: Viral Vector Elements Viral Vectors 101: Types of Viruses Viral Vectors 101: Viral...would not be great for a gene therapy vector! For viral vectors, only the protein for reverse transcriptase...components of the vector particle, some of the RT protein gets packaged inside of the vector particle, along...and this is where viral vectors and natural viruses diverge. For the viral vector, its job as a tool is ...incorporated into HIV-1 particles independently of the Gag/Pol precursor protein. The EMBO Journal, 16(16), 5113...exactly, that heaps of viral vector particles are made while missing the polymerase gene may seem like a mystery...seem like an unlikely candidate to use as a viral vector, but retroviruses have been developed into some...

  13. Plasmids 101: Using Transposons in the Lab

    Type
    Blog Post
    ...replication. They contain two genes: gag and pol. The pol polyprotein encodes the reverse transcriptase ...in viral vectors, but easily fit in a TE. Transposons are also less likely than viral vectors to induce...transposon’s LTRs, similar to when packaging viral vectors.   Let’s take a closer look at three different ... in human cells at rates similar to retroviral vectors. The hyperactive version of the SB transposase,...efficiency in human cells similar to retroviral vectors. The hyperactive PB transposase (hyPB) is ~10-fold...transfer Transposons are an alternative to viral vector delivery of transgenes, like for iPSC reprogramming... piggyBac, which is a big advantage over viral vectors (~5 kB payload for AAV and ~8 kB payload for lentivirus...

  14. Hot Plasmids: Spring 2025

    Type
    Blog Post
    ...fusions for membrane display, they recommend the NGR vectors for most experiments. These new tools promise to... toolkit is the empty plasmid backbone: the DNA vector that contains everything needed to replicate inside...composed of a protein core, 2–4 glycosaminoglycans (GAG), and are (typically) tethered to the cell surface...successful experiments or therapies. Using AAV vectors with enhancers that drive cell-type-specific expression...colleagues characterized a series of new enhancer-AAV vectors targeting specific classes of cortical and striatal...Modular by design: Key elements (promoter, tag, polyA site) are flanked by unique restriction sites so...general heat-shock proteins using IP with CycT1 or PolII-CTD antibodies and unlabeled MS in DLD-1 cells (...

  15. Cre-lox system

    Type
    Collection
    ...Cre-ERT2 - Tamoxifen inducible; Gateway entry vector none Entry Vector Zon 27493 pBT140 Cre CMV Mammalian Luo...Cre-ERT2;Targeting vector for Fos locus Mammalian Luo 46389 pArcCreER Cre-ERT2;Targeting vector for Arc locus...Burgess 61570 Pvalb-2A-Cre targeting vector Cre; Targeting vector for Pvalb locus Mammalian Zeng 61573...61573 Rasgrf2-2A-dCre targeting vector DHFR-destabilized Cre; targeting vector for Rasgrf2 Mammalian Zeng ...Zeng 61574 Slc17a7-IRES2-Cre targeting vector Cre; Targeting vector for Slc17a7 locus Mammalian Zeng 62219...Nxph4-2A-CreERT2 Targeting Vector Cre-ERT2 - Tamoxifen inducible; Targeting vector Mouse Nxph4 Mammalian Zeng... mCherry T7 Bacterial Sauka-Spengler 119971 GAG-CRErec GAG-Cre fusion; for the production of VLPs loaded...

  16. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ...TRC-Cloning Vector Click here to see the sequence of pLKO.1 TRC-cloning vector. The vector is 8901 base...-Cloning Vector I.2 Recipes I.3 Warranty information Back to Top A. pLKO.1-TRC Cloning Vector A.1 The ...use of this vector. A.2 Map of pLKO.1 pLKO.1 is a replication-incompetent lentiviral vector chosen by the...TRC-cloning vector. Addgene Plasmid Description pLKO.1 – TRC control Negative control vector containing... pLKO derived vectors that may also be useful for your experiment. To see these vectors, visit Addgene...TRC Cloning Vector The following steps were the prevailing guidelines when the pLKO.1 vector was created...Digest pLKO.1 TRC-cloning vector with AgeI. Mix: 6 μg pLKO.1 TRC-cloning vector (maxiprep or miniprep DNA...

  17. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    ...expression vector which gives close to 100% cloning efficiency and gene expression. The pUCXKT vector ensures...science.aaa3380 MuLE vectors for customized lentivirus production Finding a lentiviral vector backbone with ...custom-cloned vectors in a Multisite Gateway reaction with a desired destination vector expressing a separate...a final lentiviral vector containing up to 5 different elements. Lentiviral vectors constructed with the...MXS-chaining kit contains 5 empty chaining vectors plus a destination vector and a collection of building blocks...complex polycistronic lentiviruses. The MuLE toolbox contains a series of building-block vectors that are.... Additionally, by using an adapted destination vector with a heterologous promoter outside of the Multisite...

  18. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...of pExpression vectors) plasmids. The type IIS restriction sites used in these vectors are of low abundance...to produce the constructs you need. Expression vectors within this kit contain a variety of promoters ...insects, and even Xenopus oocytes. The expression vectors additionally contain various combinations of protein...Series Confronted with the problem of creating vectors for predictable protein expression in bacteria,...this so-called bicistronic design (BCD). The 49 vectors in this kit can be used to drive production of ...SITS to create the pCell-Free vectors, Gateway-compatible backbones that enable cell-free expression of ...kit represents a set of 88 clones in a pCellFree vector that enables protein expression in any in vitro...

  19. Plasmid Cloning by PCR (with Protocols)

    Type
    Protocol
    ...will describe how to copy a cDNA from one vector into a new vector that is better suited for analyzing the...re-circularization of the vector. You should treat your digested recipient vector with a phosphatase prior...nearly any piece of DNA to be placed into a backbone vector of choice with minimal limitations. Background ...manufacturer’s instructions. Isolate Your Insert and Vector by Gel Purification Run your digest DNA on an agarose...also a good idea to run an uncut sample of each vector to help with troubleshooting if your digests don...Once you have cut out and purified your insert and vector bands away from the gel, it is important to determine...of recovered DNA . Ligate Your Insert Into Your Vector Conduct a DNA Ligation to fuse your insert to your...

  20. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    ...concentration gradient and hyperpolarize the cell (Mattis et al., 2012). Bicistronic vectors combine excitation...candidates for your experiments.  Wavelengths Most vectors have an optimal wavelength to use but can be activated...enter the cell with the concentration gradient to depolarize it (Nagel et al., 2003). Inhibitory opsins are...the receptor, when exposed to light, the ligand engages the binding pocket and activates the receptor. ...considering for your experiment, note that you cannot extrapolate results from one cell type to another, as they... A. K., Hegemann, P., & Wiegert, J. S. (2021). BiPOLES is an optogenetic tool developed for bidirectional...
Showing: 1 - 20 of 40 results