...functionality. We wanted users to be able to find plasmids and viral vector tools more easily. In the redesign, the...every time you come to Addgene to find the plasmid or viral vector for your next experiment, that you can ...look clean and easy to use.  Easily search for plasmids (and more!) The main goal for the homepage was...on the homepage, Blugene is now accompanied by an AAV friend.  We encourage you to take a look and explore...

...are transfected with both vectors. Flex vectors are the solution. Flex vectors expressing fluorescent cytoplasmic....org Find Cre-Lox Plasmids Find Optogenetics Plasmids Find Chemogenetics Plasmids .... It became possible to design FLEx vectors (Flip-excision vectors) that only allow one inversion event...networks Double inverted vectors expressing light inducible ion channels (plasmid # 20298 for example) have...concentrations of vectors expressing the required recombinase. The high concentration of FLEx vectors guarantees...Learn More about FLEX-vectors Learn More about Cre-Lox Check out Retrograde AAVs for Neurscience Research...experiments. Mutated FRT and loxP sites in Flex Vectors – inversion only once All recombination events ...

...cost required to make a plasmid. In 2023 (and at closer to 2 million plasmids shared than not!), we think...great Plasmid Debate of ’18, Blue Flame depositor John Doench calculated the time to make a plasmid. Doench...insertion of a PCR product into a vector. The time it takes to make a plasmid could increase dramatically if... make a plasmid? Doench also calculated the cost of consumable reagents used to make a plasmid, which ...which came out to $115/plasmid, excluding any restriction enzymes or vector purchases (Table 1). Restriction... to make plasmids that already exist, and we significantly reduce costs of producing plasmids with high-throughput...lot of plasmids, it’s almost always faster to order from us!) Ask the PI If you want a plasmid for free...

... Addgene’s mission statement extends beyond plasmids, AAVs, and antibodies to our content, website, Data...is to enable that process. Our repository of plasmids, AAVs, antibodies, and data allows scientists to ...on the Addgene Blog Science careers Plasmids CRISPR Viral vectors Fluorescent proteins  ...

...toolbox. Natural plasmids, also called environmental plasmids, are all around us! A plasmid is a small piece...colicin-producing plasmids have been referred to as “Col plasmids” or “Col factors.” Virulence plasmids: microbial...based on these vectors (Shareck et al., 2004). Plasmid categorization is complex Plasmid classification...Old Solution but a New Problem Plasmids 101: What is a Plasmid? Plasmids 101: Transformation, Transduction...F. (2023). Plasmid classifications. Plasmid, 126, 102684. https://doi.org/10.1016/j.plasmid.2023.102684...., 2001) Beneficial traits of natural plasmids Natural plasmids often convey a variety of functions that...functions of natural plasmids. Created with BioRender.com. Resistance (R) plasmids: microbial defense...

... viral service Find optogenetics AAVs for your research Find all AAVs from the viral service ...neurons that could be activated with light.  Find plasmids from the Isacoff lab! They then tested what kind...optogenetics blog posts Read blog posts about viral vectors Subscribe to the Addgene blog Resources on Addgene.org...

...double crossover event between the vector plasmid and the packaging plasmid caused the Psi sequence to be ...generation of lentiviral vectors consisted of three plasmids encoding 1) the lentiviral vector genome which was... the transgene   Transfer plasmids The transfer plasmid is the vector you clone your gene of interest...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...

...transfect the ‘helper’ plasmids (viral packaging machinery) along with the viral plasmid containing the cargo...Adenoviral Vector Production and Troubleshooting Additional resources on Addgene.org AAV Production...T-antigen. This allows them to replicate viral plasmids with the SV40 origin of replication. To generate...Platform to Produce Recombinant Proteins and Viral Vectors. Front Bioeng Biotechnol. (2021) (9):796991. DOI...

...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles ...recent plasmid deposits and we hope they'll make it easier for you to find and use the plasmids you need...need. If you'd ever like to write about a recent plasmid deposit please sign up here.  Human whole genome...cells with sgRNAiBAR library containing lentiviral vectors the iBARs can be detected by next generation sequencing...manipulations such as injection of precise titrations of AAV or heat-shocking the organism. The SPARC system uses...4X CDRE repeat. In addition to showing that this vector is suitable for flow cytometry and fluorescence...attached fluorescent protein to the DNA. They created plasmids for purification of tTALE-eGFP and tTALE-mCherry...

...Addgene.org Browse Our Viral Vector Plasmids Read Our Lentiviral Vector Guide Read Our AAV Guide  ...encoded on separate plasmids and are co-transfected into cells alongside a plasmid encoding the minigenome...four viral genes in the same plasmid (as opposed to four separate plasmids), there are a few reasons arguing...separate (and thus smaller) plasmids. Finally, having four separate plasmids allows researchers to partially... 2 μg minigenome plasmid per well (in a 6 well plate format). However, since plasmid quality and transfection...producing infectious virus (similar to lentiviral vectors) because they do not encode all of the necessary...Minigenome System). From a more technical standpoint, a plasmid with all four genes and necessary control elements...

...researchers developed adeno-associated viral (AAV) vectors for the targeted delivery of a functional MECP2...mouse model using an adeno-associated viral (AAV) vector. The editase repaired half of the mutant MECP2...their MECP2-related plasmid tools with Addgene and share additional resources. Plasmid tools to facilitate...to partner with them to launch a Rett Syndrome Plasmid Collection and Resource Center for Rett Syndrome... Rett Syndrome in novel ways.  Addgene’s MECP2 Plasmid Collection and Resource Center will continue to...

...on the Addgene blog New to viral vectors? Browse our Viral Vectors 101 blog posts Read blog posts about...targeting expression involve tissue specific promoters, AAV serotypes, and the ever-growing variety of recombinase...viral preps for your research Find chemogenetics plasmids for your research ...applications. Science 6436: eaav5282. https://science.sciencemag.org/content/364/6436/eaav5282.long Redfern CH, ...

...arrays, which is scalable and efficient in plasmid and viral vectors. In applications when repetitive tRNA ...number of gRNAs that can be packaged into viral vectors for potential in vivo applications or multiplex...elements for deliveries via adeno-associated virus (AAV) and lentivirus, demonstrating simultaneous editing...unprecedented number of genes with a single viral vector.   Fig. 1: Schematic of multiplex gene ...manual and online design examples of using Addgene plasmids hCtRNA_FT (#186715) and hCtRNA_VT (#186716).   ...

...Download our Plasmids 101 eBook to get all the background you need to start working with plasmids! What are...Techniques Read all of our Plasmids 101 Posts Resources on Addgene.org Browse our Plasmid Reference Pages Just...Plasmids designed to express genes in a given host cell type are generally broken down into two broad...based on the functional elements they contain. Plasmid DNA in both prokaryotic and eukaryotic systems ...Rho-dependent terminators are not usually employed in plasmid-based expression systems, so these will not be ...the end.  Nearly all common bacterial expression plasmids use Rho-independent terminators, which include...terminator will suffice. Many commercial expression vectors use double terminators to reduce unwanted translation...

.... Viral vectors undergo DNA rearrangements. Depending on the composition of the viral vector and the ...about Lentiviral Vectors Additional Resources on the Addgene.org Check out Our Viral Vector Guide Pages ... one point or another. After amplifying a viral vector, collecting virus, and transducing target cells...the repeat sequences present in the LTR, the vector may undergo genomic rearrangements during replication...genomic rearrangements, try amplifying the viral vector with bacteria designed to minimize rearrangements...to their transduction has been shown to increase AAV transduction efficiency by approximately 15-fold ...have low titers (which is unavoidable for some vectors) you can concentrate your virus by ultracentrifugation...

...small capacity vectors like AAV. In addition to the mammalian option described below, plasmids for making ...multiple gRNAs on the same plasmid, you’ll make sure that each cell that gets the plasmid contains all of the...into distinct expression vectors using the enzyme BbsI. These expression vectors each contain Type IIS restriction...rectangles) are cloned into various plasmids using oligonucleotides. These plasmids contain Type IIS restriction...different purposes.   Gersbach Lab multiplexing plasmids: This plasmid set allows you to express 2-4 gRNAs, with...Cas9 or dCas9-containing destination vectors. Destination vector options include humanized wt Cas9, dCas9...transcriptional activator)-containing plasmids. Each destination vector contains GFP, enabling you to select...

...of the new plasmids, antibodies, and viral preps in our repository through our Hot Plasmids articles. ...than SpyCas9, allowing them to be packaged in AAV vectors, potentially with multiplexed targets.   ...be used for applications beyond cryo-EM.   Find plasmids for MagIC-Cryo-EM here!   Arimura, Y., Konishi...disease phenotype in an animal model. Find PE-eVLP plasmids here! The lab’s other recent deposit builds on...over the wild-type enzyme. Find optimized PASSIGE plasmids here!     Figure 3: Schematic of the PASSIGE...recombinase integrates a sequence from a donor plasmid containing a complementary site into the genome...from Neumann et al. 2024. The team showed that AAV-delivered CHARM could silence the expression of prion...

...Unpublished or pre-publication plasmids": Unpublished plasmids or plasmids that will not be published are...and entering a plasmid name,plasmid type, and plasmid description/experimental purpose (right). On the...with your plasmids, and adding all the plasmids at once increases the likelihood that the plasmids are given...Feng Zhang (Addgene plasmid #52961)".   The vector type should describe how your plasmid is intended to be...lentiviral, retroviral, and AAV plasmids, we recommend the NEB Stable strain. For plasmids containing the ccdB...easy for you to share plasmids. To achieve this goal, we will archive any plasmids you've deposited with...Spreadsheet". Start your plasmid deposit There are two options to begin your plasmid deposit. Figure 2: Choose...

...you’re working with small capacity viral vectors such as AAV. Base removal RNA-guided CRISPR enzymes cause...for short. Addgene has already distributed this plasmid all over the world, and the question on everyone...identified NgAgo and showed that it can cleave plasmid and genomic DNA in a variety of mammalian cell ...homology-directed repair when a template is supplied. Find Plasmids from the NgAgo Publication at Addgene Cas9 and... contrast, RNA guides must be expressed from a plasmid or in vitro transcribed, and changes in gRNA secondary.... Epub 2016 May 2. PubMed PMID: 27136078. Find plasmids from this publication at Addgene. 2. Swarts, Daan...24531762. PubMed Central PMCID: PMC4697943. Find plasmids from this publication at Addgene. 3. Swarts, ...

...Lentiviral Plasmids Tetracyline Inducible Plasmids Empty Backbones Bacterial Expression Systems AAV Plasmids... that made it easy to share plasmids, both for people depositing plasmids and for people requesting them... Verify Your Plasmid Using a Restriction Digest Analysis Videos What is a Plasmid? How to Design...video, however, is “What is a Plasmid?”, An animated explainer of a plasmid and its parts that helps the...them. Prior to this, many plasmids were available, but they often weren’t easily accessible, due to a ...barriers, allowing people to access a wide catalog of plasmids from all over the world. This idea, that available...Views Guides CRISPR Guide Lentiviral Guide AAV Guide Optogenetics Guide γ-Retrovirus Guide ...