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We narrowed to 920 results for: Gene

Showing: 401 - 440 of 920 results
  1. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

    Type
    Blog Post
    Published
    July 28, 2015, 2:30 p.m.
    ...homology arm as a gBlocks® Gene Fragment from Integrated DNA technologies. Generally speaking, anyone using... an effort to track down every last one of those gene regulatory proteins and the places in the genome...together on several projects and this is one related to gene expression. One goal of the ENCODE project is to...with detailed protocols, go to www.addgene.org/crispr/tagging. Addgene: What motivated you to adapt CRISPR...tagging system, which they’ve now made available at Addgene. For more details on the plasmids that are currently...can now look at many more transcription factors. Addgene: How does the system work? Mendenhall: The system...antibodies. The results look almost identical. Addgene: What advantages does your system have in this ...
  2. CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt

    Type
    Blog Post
    Published
    April 22, 2015, 2:06 p.m.
    ... to turn on genes at different times. It requires more complex synthetic networks. Addgene: What hurdles...on an engineering project including hundreds of genes and regulation and resource control - everything...gives us enough hardware to control hundreds of genes. We’ve created enough regulatory elements, CRISPRs...the scale of genetic engineering, with the ultimate objective of genome design.” It’s genetic engineering...larger genetic circuits that could conceivably be as large as natural regulatory networks. Addgene: What...things are easy with CRISPR. Addgene: You’ve made many deposits to Addgene over the years. Can you describe...toolbox for taking on very large genetic engineering projects. Addgene: How easy is it to do this now? ...
  3. Designer PUF Proteins for Any RNA Target

    Type
    Blog Post
    Published
    June 17, 2014, 7:57 p.m.
    ...the complexity of genetic circuits, allowing for tighter spatio-temporal control of gene expression within...world of possibilities in the engineering of complex gene networks. A comparable system for targeting specific...will make those new plasmids available through Addgene, and they hope others will do the same. “This isn...10.1186/1754-1611-8-7. PubMed.  Related Resources Addgene's Synthetic Biology Overview More Synbio Blog Posts...
  4. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...in neurons. (b) Genetic cargo can be customized to control transgene expression. Gene regulatory elements....     Figure 1: AAV toolkit for targeted gene delivery to the brain. The AAV (a) capsid, (b) cargo...Abbreviations: AAV, adeno-associated virus; GRE, gene regulatory element; NHP, non-human primate. ...LY6C1, with relatively even distribution of target gene expression (EGFP, in the depositing manuscript) ...Systemic AAV vectors for widespread and targeted gene delivery in rodents. Nature Protocols;14, 379–414...2017). Engineered AAVs for efficient noninvasive gene delivery to the central and peripheral nervous systems...Gradinaru, V. (2022). Engineered AAVs for non-invasive gene delivery to rodent and non-human primate nervous...
  5. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ...looks like the genetic cargo in one plasmid (the transfer plasmid), the envelope (Env) gene on a separate...with those particles. Since the Env, Gag, and Pol genes are not encoded in the transfer plasmid, the component...Similarly, if the viral vector carries an shRNA to a gene essential for cellular function, this would also...Resources Resources on Addgene.org Addgene viral services Addgene Biosafety Guide Addgene Viral Plasmids ...? That’s okay! In this article we will discuss general viral safety considerations and best practices ...of what is being integrated by the virus. If an oncogene overexpression construct is being delivered, that... and the same holds true for types of viruses generated in the lab. The four most common types of viruses...
  6. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    Published
    May 10, 2016, 2:30 p.m.
    ...Additional Resources on the Addgene Blog Treating Muscular Dystrophy with CRISPR Gene Editing Learn to Use ...Cas9 have also been used to create mutations in genes essential to HIV-1 replication. However, this approach...modification targeting either the LTRs or essential genes. Many of these escape mutations were located near...Genomes from Human T-lymphoid Cells by CRISPR/Cas9 Gene Editing. Sci Rep. 2016 Mar 4;6:22555. PubMed PMID...Screens Additional Resources onf Addgene.org Check out Addgene’s newly updated CRISPR Guide! Find CRISPR...Activation Mediators (SAM) system available from Addgene. This system uses the dCas9-VP64 fusion commonly...others and accelerate the pace of research. We at Addgene hope to see the problem of in vivo CRISPR delivery...
  7. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...ultrasound to image bacteria in vivo: acoustic reporter genes’ on our blog. Creative approaches to presenting...Bourdeau, Raymond W., et al. "Acoustic reporter genes for noninvasive imaging of microorganisms in mammalian...way to visualize them. You can also “hear” them. Addgene depositor Dr. Mikhail Shapiro from Caltech presented...loads of inspiration for the current and the next generation of microbiologists. If you got inspired to produce...PubMed Central PMCID: PMC5920530.  Resources on the Addgene Blog Read Our Post on CRISPR Methods for Bacterial...Science Communication using Twitter  Resources on Addgene.org Check out Our Microbiology Resource Page CRISPR...bacteria Deposit Your Microbiology Plasmids with Addgene ...
  8. Fluorescent Proteins 101: History of Fluorescent Proteins

    Type
    Blog Post
    Published
    Aug. 7, 2017, 1:58 p.m.
    ...new green glowing protein could be used to measure gene transcription, as well as to track protein localization... he was right! He began to study the A. victoria gene responsible for encoding GFP, and, in 1992, he reported...
  9. Stem Cell Models for Disease & Open Science: Interview with Darrell Kotton

    Type
    Blog Post
    Published
    July 7, 2017, 1:32 p.m.
    ...Additional Resources from Addgene Learn about Retinal Gene Therapy from Connie Cepko Find Plasmids from the...treat disease through tissue repair, stem cells, gene therapy, and tissue engineering. How the multidisciplinary...Production Specialist at Addgene. He is the audio engineer and producer for the Addgene Podcast.     Additional...Darrell Kotton is the director of the Center for Regenerative Medicine at Boston University Medical School...source biology in his own lab, at the Center for Regenerative Medicine, and within the biomedical research...Along these lines, Darrell recently joined the Addgene Board of Directors where he hopes to help keep ... Kotton and the Boston University Center for Regenerative Medicine. Darrell describes his career goals...
  10. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...disease-causing alleles, and the growing need for gene editing in research, the old PAM constraints just...RNA will do. Similarly, if you want to knock out a gene, a frameshift mutation introduced anywhere within...take a bp or two upstream or downstream) for most gene targeting experiments. Between SpRY and several ...Resources on Addgene.org Addgene’s CRISPR Guide CRISPR Plasmids and Resources Resources on the Addgene blog ...biology, the answer is always it depends, but generally the efficiency of the desired edit is reduced ... Cas9s that recognize NG PAMs. The Nureki lab generated SpCas9-NG, a rationally engineered Cas9 with NG...name implies (Nishimasu et. al, 2018). xCas9 was generated by the Liu lab through phage-assisted evolution...
  11. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    Published
    March 8, 2017, 3:15 p.m.
    ... this plasmid will work for them. Species of Gene or Insert Choose from: H. sapiens (human), M. ... Cloning Method Choose from: Gateway cloning, gene synthesis, Gibson cloning, ligation-independent ... Stable strain. For plasmids containing the ccdB gene, such as Gateway vectors, choose the ccdB Survival...information to Addgene Material Transfer Agreement (MTA) approval  Send plasmids to Addgene  Quality control... field, and contact Addgene. We may require that you send your samples to Addgene pre-transformed in this...the spreadsheet to deposit@addgene.org with the following information: Addgene account username. In order... to appear in your Addgene account under My Plasmids, we need to know your Addgene account username. Shipping...
  12. dTAG - You're it!

    Type
    Blog Post
    Published
    June 21, 2018, 2:06 p.m.
    ...Plasmids for endogenous gene tagging in human cells Resources on Addgene.org Browse all CRISPR plasmids...endogenous ENL was inactivated using CRISPR/Cas9 gene-editing. Featured molecules: dTAG-7 and dTAG-13 ...endogenous MELK was inactivated using CRISPR/Cas9 gene-editing. Featured molecules: dTAG-7, dTAG-13, and...Figure 1). Plasmids: We generated a series of plasmids that are available from Addgene. These plasmids enable...47 Additional Resources on the Addgene Blog Easi-CRISPR: Generating Knock-In and Conditional Mouse Models.... To overcome this limitation, we created a generalizable tag-based strategy, which we refer to as the... scales that are not possible with traditional genetic approaches. In addition, the dTAG system is versatile...
  13. Fluorescent Proteins 101: Introduction to FRET

    Type
    Blog Post
    Published
    June 27, 2017, 1:03 p.m.
    ...overexpressing a gene or protein after transfection). Future of FRET The first genetically encoded FRET biosensor...Resource page and can be used to create fusions with a gene of interest. These plasmids will be most useful ...designed to measure specific small biomolecules or gene activity are often intramolecular probes, as the...name a few.   Find Many FRET-Based Biosensors on Addgene's Biosensor Pages   Recent innovations have demonstrated...PubMed PMID: 26210398. Additional Resources on the Addgene Blog Tips for using FRET in Your Experiments Learn...FRET Based Biosensors Additional Resources on Addgene.org Find FRET Pairs Check Out Fluorescent Protein...
  14. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ... bright enough to detect endogenous tagged genes generated through CRISPR/Cas9 knock-in. Finally, NLuc...Fusion Protein, codon-optimized Firefly luciferase genes (e.g., luc2), and NanoLuc® Luciferase are available...such as the dynamics of subcellular structures and gene expression. You must see the movies demonstrating...al. (2016) CRISPaint allows modular base-specific gene tagging using a ligase-4-dependent mechanism. Nature...when employing optogenetic regulators to initiate the event being monitored. Optogenetic regulators respond...wavelengths overlap with optogenetic initiation wavelengths, excitation of the optogenetic regulator leads to... be paired with optogenetic regulators. Many of these tools are available from Addgene and we're excited...
  15. Of Myc and Men

    Type
    Blog Post
    Published
    Jan. 19, 2023, 2:15 p.m.
    ...address this issue by developing generic strategies for detecting cloned genes (Munro and Pelham, 1984). The...the human c-Myc gene (Evan, et al. 1985). Myc was one of the earliest identified oncogenes and was a target...tagging to detect proteins expressed from cloned genes: deletion mapping functional domains of Drosophila...Antibody Resources on Addgene.org  Find recombinant anti-c-Myc [9E10] at Addgene Find plasmids with the.... However, it was (and still is) infeasible to generate highly specific antibodies for every potential...explore Myc’s role in cell proliferation and tumorigenesis.  Using two different synthetic peptides corresponding...epitope within that region. You’ll notice that “generate a reliable antibody for protein tagging approaches...
  16. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ...library - Ampl133 targets S. cerevisiae genes with 6-12 guides per gene where gRNA expression is induced by...a high efficiency intron-optimized SpCas9-coding gene. SlugCas9 is a compact Cas9 ortholog from Staphylococcus... Figure 1. (A) SARS-CoV-2 RBD DMS Library generation and sequencing. From Starr et al Cell., 2020....scFV library and characterized them by ELISA, homogeneous time resolved fluorescence, and suspension bead...synthetase complex, the team investigated whether the generated antibodies could bind these aaRSs. They found ... Gräslund lab plans to continue their work by generating antibodies for additional aminoacyl tRNA synthetases...find all of the CRISPR plasmids available from Addgene, head over to our CRISPR Plasmids and Resources...
  17. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ...22,000 protein coding genes in the human genome with fluorescent proteins. For each gene, we needed to design...way that prevents re-cutting but does not disrupt gene expression. (See section below.) For guide design... Zuckerberg Initiative. We hereby announce the general availability of new a tool for CRISPR scientists...analyses, but it also allows you to download any generated info for your own purposes, or delete the originals...at existing tools. As has been written here on Addgene, there has been a Cambrian-like explosion of software...that it can be used in the rank equation above. Generally, the greater this distance between the cut and...sequence inserted by HDR. Although this practice is generally advised, there is little detail published on how...
  18. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ...(MP6) permits quick, large-scale mutation of the gene of interest. They created a selection phage (SP)...transcription from the accessory plasmid (AP) encoding phage gene III. The accessory plasmid library contained all... a library PAM, it would induce transcription of gene III, permitting phage propagation and keeping that...evolution to generate and select for Cas9 mutants with PAM flexibility. In this system, the mutagenesis plasmid...this paper are available at Addgene.  Additional Resources on the Addgene Blog Learn about Engineered...another 72 hours of phage-assisted evolution, generating xCas9 2.0-2.6. This second round of evolution... Cas9 variants with activity on non-NGG PAMs, generating xCas9 3.0-3.13. To test xCas9 3.0-3.13, Hu et...
  19. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ...Click on the gene names in the figure below to find plasmids containing that particular gene. ...Additional Resources on the Addgene Blog Learn More about Plasmids for Endogenous Gene Tagging in Human Cells...FP properties. It is important to look out for general problems associated with fluorescent imaging such...constructs you create in your own work available to the Addgene community. Download our Markers of Subcellular ...PMCID: PMC4777285. Further Reading Microscopy U. Generfal Considerations when Using Fluorescent Proteins...Collection Get Tips for Using FRET Resources on Addgene.org Browse the Allen Institute for Cell Science ...
  20. Google Forums Round Up: First Impressions of NgAgo

    Type
    Blog Post
    Published
    Aug. 4, 2016, 2:30 p.m.
    ...guides and an NgAgo expression plasmid to edit a gene in vivo. Try NgAgo for Yourself On the other hand...were having difficulty achieving indel formation (gene disruption) with this new technology. To dig more...asked if they could detect indels (an indication of gene disruption ability) with NgAgo, one respondent out... do not necessarily represent the views of AddgeneAddgene performs Sanger sequencing on select regions...the water. On the bright side, successful indel generation and epitope knockin was achieved by a few respondents...Twitter - Tweet suggestions and tips with #NgAgo The Addgene Blog - Leave suggestions and tips in the comments...comments section below or contact blog@addgene.org if you'd like to write a more detailed post It may take...
  21. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    Published
    July 14, 2016, 2:30 p.m.
    ...directional gene transfer, analogous to traditional restriction enzyme cloning. Sticky-end mediated gene transfer...adeno-associated viral vectors) are commonly used for in vivo gene delivery due to their low immunogenicity and range... the potential “sticky end” transgene insertion mediated by Cpf1-generated overhangs. Exploring the efficiency...suited for genome editing.  Find Cpf1 Plasmids at Addgene   Image attribution: Zetsche, Bernd, et ...in AT-rich genomes. Additionally, whereas Cas9 generates blunt ends 3 nt upstream of the PAM site, Cpf1...certain tissues. However, these vectors have a low genetic capacity of ~4.5 kb. At 4.1 kb, SpCas9 barely fits...27272384 Find plasmids from this publication at Addgene. 2. Kleinstiver, Benjamin P., et al. "Genome-wide...
  22. Fluorescent Proteins 101: Fluorescent Biosensors

    Type
    Blog Post
    Published
    May 18, 2017, 2:30 p.m.
    ...biosensors To focus on a particular gene or protein, check out our gene-specific biosensors. These constructs...Visualization Resources on Addgene.org Find Biosensor Plasmids Find Optogenetics Plasmids Visit the Fluorescent... to the molecule it detects. This change then generates a reporter signal. Reporter signals may be electrochemical... OR enzyme activity. Small molecule biosensors Addgene has many sensors that measure the concentration..., and voltage across membranes. These sensors generally follow the same pattern described above - a sensing...fluorescent molecule   Additional Resources on the Addgene Blog Check out the Rosella Autophagy Sensor Read...
  23. SunTag and Fluorescent Imaging

    Type
    Blog Post
    Published
    March 28, 2017, 2:30 p.m.
    ...used to improve CRISPR-based activation of target genes, but we’ll save that application for another day...protein-tagging system for signal amplification in gene expression and fluorescence imaging.” Cell 159(3...mitochondria without organelle toxicity. First generation (v1) SunTag is expressed at very low levels due...protein-by-protein basis. However, since many of Addgene’s SunTag plasmids have coveted “blue flames,” it...PMCID: PMC4252608. Additional Resources on the Addgene Blog Sign Up to Receive the Fluorescent Protein...about Small Molecule Fluorphores Resources on Addgene.org Find Fluorescent Protein Empy Backbones Visit...
  24. New CRISPR Web Resources and #12DaysofCRISPR Recap

    Type
    Blog Post
    Published
    Dec. 12, 2017, 3:13 p.m.
    ...Truncated gRNAs for Regulating Gene Expression and CRISPR 101: Epigenetics and Editing the Epigenome (plus...Joining and PITCHing MMEJ as an Alternative Route for Gene Editing Day 9: Precision editing: Single Base Editing...Since the start of the CRISPR revolution, Addgene has distributed over 100,000 CRISPR plasmids. But that...flame for its adenine base editing capabilities. Epigenetics: CRISPR has made it possible to design programmable... blue flame plasmids covering three different epigenetic effectors. The diversity of tools is especially...plus bonus podcast with Addgene Advisory Board member Alex Chavez) Day 11: Pooled libraries: Genome-Wide...
  25. Cre-ating New Methods for Site-specific Recombination in Drosophila

    Type
    Blog Post
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    May 12, 2015, 1:32 p.m.
    ...and caveats of Cre usage: Vagaries of conditional gene targeting. Schmidt-Supprian M, Rajewsky K. Nat Immunol...activity regulation. Heidmann D, Lehner CF. Dev Genes Evol. 2001 Sep;211(8-9):458-65. doi:10.1007/s004270100167...specific recombination site for each enzyme, were generated to test recombination efficiency. When expressed....1111704108. Epub 2011 Aug 9. PubMed. Find the Plasmids @Addgene: Plasmids for KD, R, B2, and B3 recombinases from...
  26. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

    Type
    Blog Post
    Published
    July 29, 2014, 6:16 p.m.
    ...attach the gene of interest to either the N-or the C-terminus. Even if a researcher’s gene of interest...researchers as we could, and Addgene is a wonderful vehicle for us to do that.” At Addgene, we are equally excited...is available in an easily searchable format on Addgene’s Michael Davidson Fluorescent Protein Collection...collection with over 300 backbones alone,” said Addgene’s Lianna Swanson, who has been working with members...the scientific community," says Joanne Kamens, Addgene's Executive Director, "and to promote the great ...
  27. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...-in mutations and gene editing Targeted genome editing events fall into two general classes: knock-in ...HDR. If your Cas9 cuts in the coding region of a gene, make sure that the PAM edit you introduce is a ...Guo, Y., Tian, Qigi, Lan, Y., et. al. An efficient gene knock-in strategy using 5’-modified dsDNA donors...translation by generating a frameshift mutation. The majority of cellular repair events will generate these types...family member which generates sticky ends upon cutting. Cas12a may promote HDR by generating ssDNA overhangs...Taking the road less traveled and generating a knock-in cell line instead of a knock-out? We’ve got you...cells, but a less frequent DNA repair mechanism in general. On average, it accounts for less than 10% of DNA...
  28. MXS Chaining

    Type
    Blog Post
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    Feb. 7, 2017, 3:30 p.m.
    ...inducible gene-expression sequences, and more. By combining these components, one can generate constructs...localization, as well as cellular processes like gene expression and cell migration (Sladitschek and Neveu... might not, however, be appropriate for cloning genes from organisms with high CpG dinucleotide representation...to combine the functions of different genetic elements to generate non-natural tools such as novel biological...Resources on Addgene.org Browse our Fluorescent Protein Collection Find Plasmid Kits at Addgene Find Plasmid...nutshell, is the systematic combination of different genetic sequences into plasmid DNA. In high throughput ...techniques, although the specific sequences of the genetic elements may differ (e.g., a set of various mammalian...
  29. Neuronal labeling with Spaghetti Monster

    Type
    Blog Post
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    Aug. 14, 2018, 12:42 p.m.
    ...nucleus AAVs CREATEd for gene delivery to the CNS and PNS Resources on Addgene.org Find the Spaghetti Monster...with the development of methodologies to deliver genes to the CNS have recently made it much easier to ..., and the long-term expression of AAV delivered genes. AAV serotypes have been extensively studied in ...essential for neuroscience research. The use of genetic tools for visualizing and perturbing circuits together...Adeno-associated virus (AAV) has been widely used to deliver genetic tools to the brain because of its low cytotoxicity...connections to that population. Limitations of common genetically encoded neuronal tracers Neuronal tracers such...influenza hemagglutinin (HA), myelocytomatosis viral oncogene (myc), simian virus 5-derived epitope (V5), the...
  30. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ... (Shmakov et al., 2015). They were using Cas1, a gene commonly associated with CRISPR arrays and involved...analysis, they identified 53 potential candidate genes that fell into 3 categories based on the architecture...expressing 5 gRNAs simultaneously produces comparable gene knockdown to single gRNA expression. Although the...plasmids from this paper at Addgene. Additional Resources on the Addgene Blog Check Out Our CRISPR Featured...27, 2020. CRISPR, and specifically Cas9 from S. pyogenes (SpCas9), is truly an exceptional genome engineering... PMC5127784. Find plasmids from this paper at Addgene. 2. East-Seletsky, Alexandra, et al. "Two distinct...PMID: 27669025. Find plasmids from this paper at Addgene.  3. Gootenberg, Jonathan S., et al. "Nucleic ...
  31. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Oct. 14, 2015, 2:30 p.m.
    ...directional gene transfer, analogous to traditional restriction enzyme cloning. Sticky-end mediated gene transfer...from this publication at Addgene. 2. Zetsche, Bernd, et al. "Multiplex Gene Editing by CRISPR–Cpf1 Using...26411297. Resources at Addgene Find CRISPR plasmids at Addgene Read Addgene's CRISPR Resource Guide View...Again, they were in for a surprise! Whereas Cas9 generates blunt ends 3 nt upstream of the PAM site, Cpf1...27918548. Find plasmids from this publication at Addgene. 3. Kim, Daesik, et al. Genome-wide analysis reveals...27272384 Find plasmids from this publication at Addgene. Kleinstiver, Benjamin P., et al. "Genome-wide...27347757. Find plasmids from this publication at Addgene. Makarova, Kira S., et al. "An updated evolutionary...
  32. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

    Type
    Blog Post
    Published
    Nov. 2, 2021, 1:15 p.m.
    ...Many neuroscience experiments that require gene expression in a specific cell type rely on transgenic... (recognized by Flp), to either flip or excise a gene that is located between them. Early recombinase-...Viral Preparations from Viral DNA Extracts. Human Gene Therapy 31:664–678. https://doi.org/10.1089/hum.2019.277...Peripheral Nervous System and Relevance to Human Gene Therapy. Front Mol Neurosci 13. https://doi.org/...end of the transgene. Since loxp and lox2272 can not recombine, this ensures that the transgene is no longer...flank a transgene (homologous pairs) or used different scrambled sequences to flank the transgenes (non-... express Cre or Flp. Here at Addgene we quantify the amount of transgene recombination for every lot of...
  33. Viral Vectors 101: What is a Virus (and a Viral Vector)?

    Type
    Blog Post
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    Aug. 18, 2023, 4:15 p.m.
    ...with genes central to the replication process removed. This means the vector can deliver a genetic payload...vectors to reproduce when experimentally necessary, genes for the required proteins are packaged in separate... More resources from Addgene The AAV Data Hub Addgene's Viral Services Addgene's Viral Protocols...viruses bud out, instead of lysing, but they do generally still kill the infected cell.) This is in contrast...labs. Viral vectors are viruses that have been genetically modified to either limit or completely eliminate...10.1007/978-3-319-07758-1_2 More resources on the Addgene blog Viral Vectors 101: Viral Applications Viral...
  34. Understanding GPCR Signaling Using TRUPATH

    Type
    Blog Post
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    Dec. 14, 2020, 2:15 p.m.
    ...neurotransmission. But with approximately 950 different human genes encoding GPCRs (Takeda S et al., 2002) and many ...2002) Identification of G protein-coupled receptor genes from the human genome sequence. FEBS Letters 520... exhaustive refinement, it was not possible to generate an optimal Rluc8-Gα construct for two of the 16...s0014-5793(02)02775-8 Additional resources on the Addgene blog Browse all of our fluorescent protein blog...Find other fluorescent biosensors Resources on Addgene.org Browse the catalog of fluorescent protein plasmids...
  35. CRISPR Challenges: Standardization and Homology Directed Repair

    Type
    Blog Post
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    Feb. 14, 2018, 2:36 p.m.
    ...experiment. PITChing MMEJ as an Alternative Route for Gene Editing Michohomology-mediated end joining (MMEJ...template to increase efficiency of insertion and gene replacement. Care to share your favorite CRISPR ...Blugene and I represented Addgene at the recent Keystone meeting on Precision Genome Editing with Programmable...hopes to evaluate genome editing pipelines and generate a common lexicon for genome editing studies. These...desired edit, and I want to make sure that I (and Addgene) don’t forget this in the future. Here’s a list... to keep current with the latest and greatest! Addgene resources 3 Tips to Improve HDR Efficiency for ...
  36. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
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    March 6, 2018, 1:49 p.m.
    ...sequence of a thermostable DNA ligase-encoding gene." Gene 109.1 (1991): 1-11. PubMed PMID: 1756968. 7. ...nick-closing activity of bacteriophage T4 DNA ligase." Gene 76.2 (1989): 245-254. PubMed PMID: 2753355. 12. ...blood-borne bacterial pathogens by use of a novel 16S rRNA gene PCR-ligase detection reaction-capillary electrophoresis...restriction cloning), adaptor ligation for next generation sequencing (NGS) library construction, and circularization...fragments end-to-end without the exo/polymerase generation of annealed complementary regions. Why use a... does fidelity mean for a ligase? DNA ligases generally prefer fully Watson-Crick base-paired dsDNA substrates...as a correct base pair. DNA ligases have been generally found to have a higher discrimination at the upstream...
  37. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    Published
    Feb. 18, 2020, 2:15 p.m.
    ...horizontal gene transfer, which occurs when bacteria of different evolutionary lineages share genes that can...bacteria that occurs when bacterial cells regulate gene expression in response to changes in cell density... the ASM General Meeting (now Microbe) in 2013 in Denver, CO. While I had been to the General Meeting ... were very valuable when shared with the next generation of scientists. The connection between mentors... with experience mentoring in STEM, including Addgene’s Joanne Kamens. Expanding Binning Singletons to...Binning Singletons, Inc. Additional resources on the Addgene blog Browse our blog posts on scientific conferences...
  38. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

    Type
    Blog Post
    Published
    April 23, 2020, 1:15 p.m.
    ...description of the VGS process and use cases in Human Gene Therapy. Existing methods for AAV quality control...Adeno-Associated Viral Genomes in Academic Settings. Human Gene Therapy Methods 30:195–205 . https://doi.org/10.1089...and tips Resources on Addgene.org Find AAVs at Addgene Learn more about Addgene's viral service Find protocols...we partnered with Seqwell to establish a next-generation sequencing (NGS) QC platform that allows us to...methods, we showed that the DNA extract is a heterogeneous mix of single-stranded and double-stranded species...interest.   While the VGS process isn’t new to Addgene, we are excited to share the procedures and Python...Vector Preparations by Single-stranded Virus Next-generation Sequencing. Molecular Therapy - Nucleic Acids...
  39. Plasmid Cloning by PCR

    Type
    Blog Post
    Published
    March 29, 2016, 2:30 p.m.
    ... vector that is better suited for analyzing the gene’s function. The process is shown graphically in the...figure, in which we add EcoRI and NotI sites to Your Gene of Interest (YGOI) for ligation into a recipient..., you should use a DNA analysis tool, such as Addgene’s Sequence Analyzer, to allow you to identify which...restriction site to improve cutting efficiency. You can generally add any 6 bases, but you should ensure that the...with 18bp of homology to the ORF). We now need to generate the reverse-complement of this sequence so that...that we can successfully amplify the ORF. You can generate the reverse-complement using existing software...the final product. Additional Resources on the Addgene Blog Learn About Other Cloning Techniques Catch...
  40. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    Published
    June 3, 2021, 1:15 p.m.
    ...also allows for screening scFv generated from the B cell antibody genes from diseased or vaccinated humans...   Some phage display libraries screen antibody genes from B cells of immunized animals, but it's possible....1791  Deal CE, Balazs AB (2015) Vectored antibody gene delivery for the prevention or treatment of HIV ...also allows for generations of scFvs against two antigens that are impossible to generate scFvs against ...probe, but is easier and cheaper to generate since it’s genetically encoded.   Translational applications... of a tagged protein. Resources on Addgene.org: Browse Addgene’s Antibody Plasmid Collection Find antibodies...-linker-VH and VH-linker-VL configurations can generate functional scFvs; however, some individual scFvs...
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