We narrowed to 932 results for: Gene

...region of the gene they are trying to disrupt or delete, which both inactivates the gene and acts as a...maintain the plasmid. Adding an antibiotic resistance gene to the plasmid solves both problems at once – it...Historically, antibiotics have also been used to disrupt genes at the chromosomal level. Scientists introduce an...typically has two separate resistance cassettes and your gene of interest is cloned into/inactivates or completely...resistance!  What are antibiotics? Antibiotics are generally defined as agents that kill bacteria, or inhibit...lab, their mechanism for killing bacteria, and general working concentrations. For instructions on how...how to prepare antibiotic stocks, see Addgene's Reference Page. How else can antibiotics be used in the...

... gRNAs) that targets ~4,000 E. coli genes with ~15 gRNAs per gene and includes ~10,000 gRNAs targeting...CRISPR interference (CRIPSRi) platform for targeted gene repression in Candida albicans was developed by ... transcription of HSP90 an essential C. albicans gene. Read the paper in mSphere Find the dCas9 and... a few of the new CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR...a new CRISPR tool you’ve recently deposited to Addgene and you’d like it to be included in the next What...more information. Additional resources on the Addgene blog Download the CRISPR 101 eBook Find our CRISPR...posts Read our CRISPR cheat sheet Resources on Addgene.org Read our CRISPR guide Find CRISPR plasmids by...

...Energy’s Joint Genome Institute for uncharacterized genes that were proximal to a CRISPR array and the universal...CRISPR-Cas systems containing cas1, cas2, cas4, and a new gene cas14. cas14 encodes for a small Cas protein (40...-Cas systems. There are 24 variants of the cas14 gene that cluster into 3 subgroups (cas14a-c). All these...potential of Cas14, the Doudna lab cloned the cas14 gene together with the adjacent CRISPR array and intergenic...presence of infectious organisms (ex: SARS-CoV-2) and genetic mutations. By providing a gRNA specific of a viral...ID PMID: 30337455. Additional resources on the Addgene Blog Learn more about DETECTR Browse all of the...Download our CRISPR cheat sheet Resources on Addgene.org Find the Cas14 plasmids here Checkout our CRISPR...

... are, in most cases, interested in transferring genes to mammalian cells (i.e. transferring DNA), yet ...infection; however this would not be great for a gene therapy vector! For viral vectors, only the protein... is (thankfully) gutted of many essential viral genes. How it is, exactly, that heaps of viral vector ... particles are made while missing the polymerase gene may seem like a mystery. But it’s simple. The RT...the only component that is not dependent on viral genes. It is derived from the host/producer cell membrane...full “life cycle” of expression of selfish, lazy genes of a non-living viral particle, and how we as dedicated...Kantor, B. (2021). Lentiviral Vectors for Delivery of Gene-Editing Systems Based on CRISPR/Cas: Current State...

...Adeno-Associated Viral Vector-Mediated Gene Delivery to the Hypothalamus. Human Gene Therapy, 21(6), 673–682. https...conditions commonly encountered in human gene therapy trials. Human Gene Therapy Methods, 26(2), 71–76. https...Grames, M. S., & Klein, R. L. (2018). More expansive gene transfer to the rat CNS: AAV PHP.EB vector dose–...dose–response and comparison to AAV PHP.B. Gene Therapy, 25(5), 392–400. https://doi.org/10.1038/s41434-018...Adeno-Associated Virus Serotype 9 (AAV9) Preparations. Human Gene Therapy Methods, 30(6), 214–225. https://doi.org...Resources on addgene.org  Download Addgene's Viral Vectors 101 e-book Additional Resources on the Addgene Blog... by Addgene in 2021 asking scientists what data would improve our AAV Data Hub.   The Addgene Data...

...dominant disease-causing gene, or that carry only one copy of a recessive gene. Ma et al. claim that CRISPR...Variants Target Multiple Genes at Once with CRISPR Resources on Addgene.org Browse All CRISPR Plasmids...authors to title the paper “Correction of a pathogenic gene mutation..” rather than using term ‘editing.’ While...but this advantage likely won’t transfer to all genes we’d like to target. In addition, as on-target editing...Reference Ma, Hong, et al. "Correction of a pathogenic gene mutation in human embryos." Nature. Epub 02 August...hypertrophic cardiomyopathy and other genetic disorders, pre-implantation genetic diagnosis (PGD) screens embryos...PubMed PMID: 28783728. Additional Resources on the Addgene Blog Check out Our New CRISPR Topic Page Read ...

...detect gene copy number based on the number of fluorescent puncta observed. By labeling two genes of a ...vivo. Catalytically dead Cas9 (dCas9) cannot induce gene editing, but it retains its gRNA-directed targeting...Chen et al. successfully labeled protein-coding genes with both intronic and exonic gRNAs. In fact, the...also monitor the spatial relationship of the two genes over time, at a range of distances from 2-75 Mbp... envision using CRISPRainbow in combination with gene editing. CRISPRainbow requires very short, 11-mer...plasmids from this publication at Addgene. Additional Resources on the Addgene Blog Read More about Fluorescent...cells! This technique was developed in the lab of Addgene depositor Stanley Qi and used in Chen et al. to...

...functionally characterize combinatorial gene knockouts generated via multiplexed gRNA expression (Wong ...et al., 2014; Konermann et al., 2014) individual genes for studies interrogating their functions. The continual...list of effective gRNA sequences targeting your genes of interest. Thanks to the tremendous efforts made... et al. "Genome-scale CRISPR-mediated control of gene repression and activation." Cell 159.3 (2014): 647... "High-Resolution CRISPR Screens Reveal Fitness Genes and Genotype-Specific Cancer Liabilities." Cell ...Hongming, et al. "A CRISPR-based screen identifies genes essential for West-Nile-virus-induced cell death...incredibly useful for the efficient generation of individual (and multiple) genetic perturbations in single cells...

...label cells. If GFP could be co-opted to control gene expression, he could then selectively manipulate...used LexA and rTetR systems such that they activate gene expression from different promoters. Moving to an.... GFP expression robustly activated the reporter gene TdTomato, whose expression was absent without electroporated...sites. Placing a lox-STOP-lox cassette upstream of a gene of interest blocks transcription when Cre is absent...present, it removes the STOP cassette, activating gene expression. Although Cre isn’t a modular protein...fluorescent proteins as scaffolds for cell-specific gene manipulation.” Cell 154(4) (2013): 928-939. PubMed...commonly used in optogenetics, opening up the possibility of adapting GFP lines for optogenetics experiments...

.../bies.202300044 Resources on the Addgene blog Plasmids 101: Gene, enhancer, and promoter trapping ...Plasmids for Endogenous Gene Tagging in Human Cells Resources on addgene.org Allen Institute for Brain...Enhancers are non-coding sequences of DNA that regulate gene expression by interacting with proteins such as ...and the RNA polymerase at the promoter region of a gene to initiate transcription (Figure 1). Although all...same mechanism that allows enhancers to regulate gene expression in a cell type-specific manner also makes... those specific cell types to express exogenous genes — a feature the AIBS has capitalized on. ...minimal promoter to drive expression of a fluorescent gene and packaged into viral vectors that can be administered...

...human genes have counterparts in the rat (Gibbs, et al., 2004). Additionally, breakthroughs in gene modification...abundance of genes related to limb regeneration (Vieira et al., 2019). To study regeneration scientists ...during and after embryogenesis. Addgene has over 600 plasmids that contain Xenopus genes and a tool-kit ...models.  Check out Addgene’s collection of plasmids containing Rattus norvegicus genes! Mexican axolotl ...array of molecular tools, such as gene manipulation and mutagenesis techniques, are available to the scientific...world worked to characterize each gene’s function. Some key genetics research with Arabidopsis include... for scientists to study human disease-relevant genes in such a controlled environment displays how essential...

...deletion of one or several of these genes permits the expression of genes farther downstream in the construct... two tandem sets of genes aligned head-to-head and the deletion of one of the gene pairs. Brainbow 2.0...Brainbow uses a Cre/lox system to label neurons. Genes encoding the fluorescent proteins are organized ...organized in tandem with a single promoter, but only the gene directly following the promoter is expressed. Cre-mediated... which uses Cre to trigger the inversion of two genes aligned head-to-head. Another variation, Brainbow...located directly upstream of the fluorescent protein genes, Cre recombination is required before fluorescence...fluorescent proteins topic page Resources on Addgene.org Browse Addgene’s fluorescent protein collection Learn...

...you were cloning a gene into an expression vector, you would want the start of the gene to end up just downstream... 5’ of the start of the gene and a HindIII site just 3’ of the end of the gene. This way you can then ...leaving the 5’ end of your gene just downstream of the promoter and placing the gene in the proper orientation... multiple sites allows you to easily orient your gene insert with respect to the promoter. For example...restriction sites EcoRI, XhoI, and HindIII. To place your gene in the proper orientation downstream of the promoter...binds the plasmid to the new fragment thereby generating a complete, circular plasmid that can be easily...green, insert) are cut with restriction enzymes to generate compatible overhangs that allow them to bind. ...

...the puromycin resistance gene through a 2A peptide. The puromycin resistance gene enables selection of cells...to translate Cas9-2A and the Puromycin resistance gene as separate peptides. PX459 This is the vector backbone...had a point mutation in the puromycin resistance gene that made it less effective in certain cell lines...Resources on the Addgene Blog Browse Our CRISPR Posts Learn about Using CRISPR to Generate Knockouts Read...Purpose  SpCas9 This plasmid expresses Streptococcus pyogenes (Sp) Cas9 from a Cbh promoter. Cbh is a modified... the key component of most CRISPR systems and generates double strange breaks at target sites 5' of the...your 20 nucleotide guide sequence of choice (for generation of a gRNA that will target SpCas9 to the approrpriate...

...the sgRNAiBAR library covers every annotated human gene, it enables genome-wide screening with a high MOI...a stop cassette upstream of an effector/reporter gene. In cells where the stop cassette is removed, the...fish, and mice, by replacing the effector with a gene of interest in the cells you are studying. Read ...calcineurin-dependent response elements (CDREs) and drives gene expression. Because calcineurin is required for ...antifungals that target calcineurin. Current calcineurin gene reporters are based on the bacterial βgal assay,...Competition (SPARC) is a fully genetic tool for labeling just a fraction of a genetically-defined subset of cells...lentiviral vectors the iBARs can be detected by next generation sequencing.  In order to avoid a high false-positive...

...Cardiac Gene Transfer Superior to AAV1, AAV6, AAV7, and AAV8 in the Mouse and Rat. Human Gene Therapy,...toolkit for human gene therapy. Molecular Therapy: The Journal of the American Society of Gene Therapy, 14(...AAV1 AAV1 was the first viral vector approved for gene therapy (Issa et al., 2023). It may be a good choice...exposure or rAAV treatment, which can pose problems for gene therapy applications. Cross-reactivity of AAV serotypes... Various AAV Serotypes and Their Applications in Gene Therapy: An Overview. Cells, 12(5), 785. https:/...Injection in Mouse and Human Skeletal Muscle. Human Gene Therapy, 31(3–4), 233–240. https://doi.org/10.1089...type 5 to 2,3-linked sialic acid is required for gene transfer. The Journal of Biological Chemistry, 276...

...sensitizing gene cassettes. Thse vectors are engineered to replace the drug resistantance genes in the bacteria...were identified for 61 such diseases. Now single gene alleles have been identified for 4,163, over 50%...Lowe talked about his work on the 500+ human tRNA genes and, until now, we've overlooked regulatory fragments...may be involved in preventing silencing of self-genes. Dr. Mello presented a hypothesis that these pathways...involved in RNA based surveillance of repetitive gene families and provide a way to guide inheritance ... field. Resources at Addgene Browse Addgene's RNAi resources Browse Addgene's CRISPR resources Read ...countries in number of plasmid requests from Addgene. Addgene - Canton Nucleic Acids Forum 2015 from Joanne...

...Ehrhardt, A., et al., Episomal vectors for gene therapy. Curr Gene Ther, 2008. 8(3): p. 147-61. PubMed PMID... functional genes at the site of insertion and which can potentially promote tumorigenesis in vivo. The...fellow at Massachusetts General Hospital with research interests in the fields of gene editing and stem cells...non-integrating plasmid from blood cells with unique epigenetic and gene expression signatures. Cell Res, 2011. 21...The phenomenon has been recorded in past gene therapy trials and remains a safety concern in the clinical...clonal T cell proliferation in two patients after gene therapy for SCID-X1. Science, 2003. 302(5644): p...the chances of insertional mutagenesis, which is the integration of transgenes into the genome that can ...

...used for genome editing, activating gene expression, repressing gene expression, and much more. But there...engineering viruses. For example, an Acr gene was used to replace genes in the difficult-to-engineer Sulfolobus... Selection marker while engineering viruses Acr genes can be used as positive selectable markers in engineering...et al., 2018). Only viral particles that have the gene deletion could replicate when challenged with the...Experiment Read more about Optogenetic Control of CRISPR   Resources on Addgene.org Find CRISPR Plasmids ...Nme) (Pawluk et al., 2016). While Streptococcus pyogenes Cas9 (SpyCas9) is the most used and well studied...10.1126/sciadv.1701620 Additional Resources on the Addgene Blog First time CRISPR user? Check out this post...

...editing single genes is very useful, sometimes, you need to modify multiple genes to generate a cellular ...Nicole Gaudelli, the Associate Director and Head of Gene Editing Technology at Beam Therapeutics, used a ...In addition to stem cells the authors targeted 6 genes in primary human T cells using 8 selected ABE8s ...the reduction in protein expression of these six genes. All ABE8s edited more efficiently than ABE7.10 ... was the winner. It could simultaneously edit 3 genes (98.1%, 98.3%, or 98.6% efficiency, respectively... eighth generation of adenine base editors, called ABE8 (Gaudelli et al., 2020). The generated ABE8s needed...replaced S. pyogenes Cas9 in the ABE complex with PAM-variant Cas9 proteins: the S. pyogenes NG-Cas9 (PAM...