Skip to main content
Addgene

We narrowed to 920 results for: Gene

Showing: 441 - 480 of 920 results
  1. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    Published
    May 5, 2020, 1:15 p.m.
    ...amplification kit. In this case, regions of gene S and Orf1ab gene are amplified. RPA reactions also contain...amplification by primers that target the E and the N2 gene of SARS-CoV-2. If the Cas12a-sgRNA complex binds...like CRISPR. Figure 1: An overview of the general schematic of CRISPR/Cas based COVID-19 testing ...protocol for Cas13-based detection of SARS-CoV-2 genetic material (CREST) Sensitivity: 10 copies of RNA ...of temperatures varying between 10-50°C. Visit Addgene's COVID-19 Plasmids and Resources Many thanks ...Protocol for Cas13-Based Detection of SARS-CoV-2 Genetic Material. Cold Spring Harbor Laboratory. https:...20detection%20(updated).pdf Additional resources on the Addgene blog Read more about SHERLOCK and DETECTR Learn...
  2. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    Published
    March 1, 2016, 3:30 p.m.
    ...Gibson assembly, imagine that you want to insert your gene of interest into a vector with a large tag at the...by using Gibson assembly, you can insert both the gene of interest and the tag sequences into the vector...CATCH enables one-step targeted cloning of large gene clusters. Nat Commun. 2015; Sep 1;6:8101. PubMed...the J. Craig Venter Institute in 2009. Here at Addgene we added this option to our drop down menu of common...which chews back the 5’ ends of the fragment, generating long overhangs which allows the single stranded...advantage is that this process makes it easy to generate wild type and mutant constructs at the same time...primer melting temperature greater than 48℃. Both Snapgene and NEB have tools that help you design primers...
  3. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...may be the hot new way to manipulate gene expression, but other gene manipulation systems remain valuable...important ways to spatially and temporally control gene expression, especially in in vivo models, and new...at least six generations. In addition to the neuronal pThy1-Brainbow constructs, Addgene also has two ...Brainbow plasmids available from Addgene! Find Brainbow Plasmids @Addgene: Brainbow 1.0, 1.1, 2.1 plasmids...coupling of Cre-lox with FLP-FRT recombination to generate additional recombination events, and the synthesis...and sea anemone mKate2.) They then successfully generated custom antibodies to each of these proteins and...analysis. To achieve even cell labeling, they generated farnesylated derivatives of the fluorescent proteins...
  4. Hot Plasmids - January 2023

    Type
    Blog Post
    Published
    Jan. 31, 2023, 2:15 p.m.
    ...were compared head-to-head for gene expression changes of non-target genes and RNA-seq of a nuclear (MALAT1...among the first batch of antibodies we produced at Addgene and, as you might suspect, it has been one of our... need a second GFP antibody?  Similarities:  Generated against full length GFP and converted to recombinant...always best to have options.      Fig. 2: Addgene’s western blot for mEGFP-HRas (from Plasmid 18662... [N86/8R] page for more details. Image credit: Addgene.   Find anti-GFP [N86/8R] here!   Andrews NP...
  5. A Novice's Perspective on Neuroscience - SfN2017

    Type
    Blog Post
    Published
    Dec. 15, 2017, 2:07 p.m.
    ... provide a highly versatile means of delivering genes to many different cell types with minimal immunological...effects. AAVs are used in experiments targeting genes to specific cell types in the brain, mapping neuronal...Resources at Addgene.org Addgene's Viral Service Find Retrograde AAV Browse Optogenetics Plasmids ... to our viral vector pages on the Addgene website and on the Addgene blog to get some ideas for future...Boyden on Optogenetics, Neuroscience, and the Future of Neuroengineering Primer on Optogenetics Resources... Addgene recently attended the Society for Neuroscience 2017 conference in Washington DC (#SfN17). This...newbies might want to get into the field. Find Optogenetics Plasmids for Use in Neuroscience Research Neuroscience...
  6. Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2:  Reprogramming and Transdifferentiation

    Type
    Blog Post
    Published
    Nov. 6, 2018, 1:12 p.m.
    ...Pancreatic and duodenal homeobox gene 1 induces expression of insulin genes in liver and ameliorates streptozotocin-induced...lentiviral vectors can be used for gene delivery Resources on Addgene.org Visit our Stem Cell Pages Find...from the patient in vitro then correct the damaged gene in the resulting iPSCs before differentiating the...PMC3987909. 6. Ban, H., et al., Efficient generation of transgene-free human induced pluripotent stem cells...Mukherjee. The ultimate goal in the field of regenerative medicine is to replace lost or damaged cells...cell is converted to a different cell type for regeneration and repair and situations where one process ...plasmids used for these methods can be found on Addgene’s stem cell page. On this page, you can also find...
  7. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...enzyme cloning uses short sticky ends to insert genes into plasmid backbones, base pairing between these...Schematic of SLIC. To start the SLIC cloning process, a gene of interest is PCR amplified to add 5′ and 3′ homology... LIC received an important update, courtesy of Addgene depositor Stephen Elledge. His new method, named...flexible. For one thing, those 5′ overhangs can be generated in several ways. One option, imprecise T4 digestion...work directly on PCR products, with 5′ overhangs generated either by annealing a mixture of products or from...regions from the target vector. 5′ overhangs can be generated by T4 polymerase (left branch); by annealing two...concentrations of insert to succeed. 5′ overhangs are generated in the linearized vector by T4 digestion; then...
  8. All in a Twist: dsRNA

    Type
    Blog Post
    Published
    Feb. 2, 2023, 2:15 p.m.
    ...dissociate when gene transcription is complete. However, transcription of thousands of genes is constantly...store their genetic information. All of these viruses have one thing in common – they can generate dsRNA as... Here, we will cover how these structures are generated, why it’s important for cells to sense their formation...inherently double stranded, while ssRNA viruses can generate dsRNA intermediates as part of the viral replication...as long/short interspersed nuclear elements can generate dsRNA by bidirectional transcription or as inverted...inverted repeats. These elements are almost always epigenetically silenced, but dysregulation of these systems... ionizing radiation, can also result in dsRNA generation. While these molecules are clearly associated...
  9. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    Published
    June 1, 2017, 2:30 p.m.
    ...observed in mammalian cells is to tag an endogenous gene. By imaging cells (or tissues) that produce an endogenous...fluorescent proteins or using endogenous tagged genes) can be used to verify performance under different... develops genetically encoded FRET based biosensors.     Additional Resources on the Addgene Blog Which...mVenus as a reference protein is available from Addgene. Another way to dodge cellular variation observed...Amsterdam). He develops, characterizes and uses genetically encoded fluorescent probes. You can follow him... Protein Biosensors Additional Resources on Addgene.org Find Empty Backbones with Fluorescent Tags Find...
  10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

    Type
    Blog Post
    Published
    March 19, 2019, 1:31 p.m.
    ...compatible approach to simultaneously clone two genes-of-interest (GOI) into two independent expression...from a different plasmid, which may lead to unequal gene dosage and high variability of protein coexpression...    Listen to this episode of Hot Plasmids! Optogenetic control of CRISPR-Cas9 by CASANOVA Article contributed...type II CRISPR systems including the popular S. pyogenes Cas9 (Rauch et al., 2017, Hynes et al., 2017)....biological tool, Niopek and colleagues turned to optogenetics. Through the use of light-sensitive protein ... “CRISPR-Cas9 activity switching via a novel optogenetic variant of AcrIIA4.” CASANOVA responds to blue...What’s great about CASANOVA? It works with the S. pyogenes Cas9, dCas9-effector fusions, and xCas9, and requires...
  11. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

    Type
    Blog Post
    Published
    Oct. 29, 2019, 2:52 p.m.
    ...ion-pump encoding genes HCN1 KCNJ2 KCNJ13 GABRG1 KCNIP2 KCNQ1 Examples of some genes encoding gap junction...resources on the Addgene blog: Addgene Optogenetics guide Primer on Optogenetics blog series Addgene Biosensors... light-based genetic tools for studying bioelectricity in vivo. Here are some optogenetic and GEVI tools... Aurora and Phobos optogenetic tools - A collection of bi-stable anion optogenetic channels which can ... al. "Use of genetically encoded, light-gated ion translocators to control tumorigenesis." Oncotarget ...ion-channels and pumps in developmental biology, regeneration studies, and cancer biology. I was first introduced...affect patterning and in some cases even override genetically encoded patterning. Based upon trends in studies...
  12. Hot Plasmids - May 2022

    Type
    Blog Post
    Published
    May 26, 2022, 1:15 p.m.
    ...dCas9 and microbial SSAPs (dCas9-SSAP) which insert genes in a cleavage free manner. The dCas9-SSAP system...Fig. 3: Development of a cleavage-free dCas9-based gene editor using microbial SSAPs. Image from Wang, et...reduces the need to generate “single-use” transgenic lines. Instead, researchers can generate and maintain transgenic...each protein of interest and, for in vivo work, generate a dedicated transgenic line. Using zebrafish as... the liver.    Fig. 2: Summary of the generational evolution of the AAV capsids (left) and transduction...
  13. Hot Plasmids: Summer 2024

    Type
    Blog Post
    Published
    Aug. 27, 2024, 1:15 p.m.
    ...editing, this epigenetic strategy doesn’t induce DNA damage or permanently alter a gene product; it simply...on Prime-editing-Assisted Site-Specific Integrase Gene Editing (PASSIGE), their previously-reported technique...). Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases...optimizations for prime editing CHARM: A compact epigenetic silencer Recombinant antibodies for marking astrocytes...magnetic beads for scarce macromolecules in heterogeneous samples. bioRxiv 2024.01.21.576499; doi: https...loss. Ci Ji Lim’s lab found that adding Late Embryogenesis Abundant (LEA) proteins, small proteins that...with ribonucleoprotein cargo. eVLPs contain no genetic material, which ensures the editor will only be...
  14. The 12 Days of CRISPR

    Type
    Blog Post
    Published
    Jan. 3, 2023, 2:15 p.m.
    ...cells🎵 On the 3rd day of CRISPR, Addgene gave to me: dCas9-based gene editing for cleavage-free genomic... of CRISPR, Addgene gave to me: Cas-E-le-ven! (Cas11)🎵 On the 10th day of CRISPR, Addgene gave to me:... day of CRISPR, Addgene gave to me: RADAR from Gao🎵On the 8th day of CRISPR, Addgene gave to me: Functional...CRISPR, Addgene gave to me: updated CRISPR101 blog posts!🎵 On the 4th day of CRISPR, Addgene gave to ...let's get started!  On the 12th day of CRISPR, Addgene gave to me: Noninvasive assessment of gut function...Functional Genetic Variants Revealed by Massively Parallel Precise Genome Editing (CRISPEY!)🎵 On the 7th...7th day of CRISPR, Addgene gave to me: Drag-and-drop genome insertion, without DNA cleavage, with CRISPR-directed...
  15. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

    Type
    Blog Post
    Published
    April 13, 2017, 2:30 p.m.
    ...Alkaline phosphatase activity: In yeast, the PHO8 gene encodes a vacuolar alkaline phosphatase. Normally...GFP-tagged Atg8p or LC3: ATG8 is part of a group of genes that affect autophagy (ATG) in yeast. Atg8p (“p”...fluorescent biosensor that was recently deposited with Addgene by Dr. Mark Prescott. This system was developed...via the secretory pathway, and then cleaved to generate an active form of the protein. To monitor autophagy...Pho8Δ60 in the vacuole, where it is cleaved to generate an active enzyme. Pho8 phosphatase activity or.... cytosol, mitochondria), rather than tracking generic autophagy markers. It’s particularly useful for...mitochondria-targeted variants are available from Addgene. References 1. Rosado, C., Mijaljica, D., Hatzinisiriou...
  16. GPCRs: How Do They Work and How Do We Study Them?

    Type
    Blog Post
    Published
    Feb. 11, 2021, 2:15 p.m.
    ...that there are approximately 950 different human genes encoding GPCRs (Takeda et al., 2002). G proteins...2002) Identification of G protein-coupled receptor genes from the human genome sequence. FEBS Letters 520... on Addgene.org Check out Addgene's chemogenetics guide Find chemogenetics plasmids for your research...cell type. Chemogenetics is similar to optogenetics but instead of light, these genetically modified receptors...neurons and specific behaviors. Chemogenetics uses genetically engineered receptors to interact with small...are ideal candidates for use in chemogenetics. To create chemogenetics receptors, GPCRs were first mutated... about chemogenetics and a concise table of DREADDS and their activity in neurons on Addgene’s chemogenetics...
  17. The Codon Guide to Synthetic Biology

    Type
    Blog Post
    Published
    Sept. 14, 2023, 1:15 p.m.
    ...studies for various categories, including CRISPR gene-editing, the foundations of synthetic biology, DNA... the editor of Asimov Press and is designing a genetic engineering curriculum at MIT. He also writes Codon...
  18. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...triggered by engineered nucleases." G3: Genes| Genomes| Genetics 5.3 (2015): 407-415. PubMed PMID: 25566793...off-target mutation and not an edit in the target gene. The validation process, also known as CRISPR genotyping.... 12. Osborn, Mark J., et al. "Evaluation of TCR gene editing achieved by TALENs, CRISPR/Cas9, and megaTAL...as the field seeks to generate reproducible, quality data on the role of genetic networks in biological... the Addgene Blog Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate Mouse... CRISPR experiments, many are turning to next-generation sequencing options over older assays. Biased... therapy. Low frequency off-target effects may generate irreproducible data in a research setting, but...
  19. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ...for stable fly cell lines; Hygromycin resistance gene; for genome integration by spontaneous insertion...own Fragmid components! Ensure your backbone and genes contain only the Bbsl cut sites needed for the Fragmid...plasmids on the Addgene website. Step 4: Naming your assembled plasmid and generating the vector file....2024.100519 More resources from Addgene Plasmids 101: Modular Cloning Addgene's CRISPR Guide Plasmids 101: ...been looking for just the right CRISPR vectors on Addgene and found instead ones that were… pretty close,...select the components they want for each module, generate the vector file, and quickly clone their vector...Fragmid components are available for request on the Addgene website, both as individual plasmids and as the...
  20. Tips for Using BLAST to Verify Plasmids

    Type
    Blog Post
    Published
    May 29, 2014, 1:29 p.m.
    ...you attempt to verify the starting methionine of a gene but the blastx results start the alignment at a ...unlikely to have an exact entry for your favorite gene fused to an epitope tag or fusion protein. If your... our Snapgene-powered plasmid maps. Resources on Addgene.org Sequence Analysis of your Addgene Plasmid...This post was updated on Dec 4, 2017. At Addgene, we continually use the Basic Local Alignment Search...process has changed with the introduction of next generation sequencing!  Choosing a BLAST program Of the...databases, and elements of the BLAST search pages. At Addgene, we use blastn to identify any discrepancies in... viewing blastx results. When using blastx at Addgene, we use the default “Non-redundant protein sequences...
  21. 8 Great Depositor Research Stories

    Type
    Blog Post
    Published
    Dec. 15, 2022, 2:15 p.m.
    ...tool for large inserts.  DAP arrays for multiplex gene editing: Guest blogger Qichen Yuan tells us about... share on our blog, please reach out to news@addgene.org - we'd love to hear from you!       ...
  22. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ...years, but lay readers may be less familiar with gene drives and their ramifications. Readers unfamiliar...in Doug Prasher, who originally isolated the GFP gene but was not included amongst the Nobel prize winners...time on Addgene’s role in the rapid dissemination of these technologies, proposing that “Addgene, with ...contributed to the steadily increasing distrust the general public has in science and scientists (as discussed...replace scientists themselves.  The sections on optogenetics and CRISPR of course address some of the ethical...has been a key driver of the technology.” As an Addgene vet of 12 years, I’m very familiar with the role...I discussed The State of Science with the five Addgene colleagues who read it with me, the consistent ...
  23. 10 Basic tips for mammalian cell culture

    Type
    Blog Post
    Published
    July 12, 2018, 1:09 p.m.
    ...Sana on LinkedIn.   References 1. Yin, R., et al. "Gene expression profiling analysis of bisphenol A-induced...induces cytoskeletal disorganization, apoptosis, and gene expression disregulation on HeLa cells." Journal...Also, avoid unnecessary talking because talking generates microbe-laden aerosols that may enter the hood...many times and could be contaminated.Learn how Addgene uses barcodes to track samples Keep track of passage...Second  Edition), 2012. Additional Resources on the Addgene Blog The Challenges of Cell Culture Cloning Mammalian...Plasmids 101: Mammalian Vectors Resources on Addgene.org Find mammalian plasmids for your research Find...
  24. Rabies and Neuronal Tracing

    Type
    Blog Post
    Published
    May 29, 2018, 1:51 p.m.
    ...17179932. Additional Resources on the Addgene Blog AAVs CREATed for Gene Delivery to the CNS and PNS Advanced...Neuroscientist's View Control Gene Expression with FLEx Vectors Resources on Addgene.org AAV Vector for TVA Expression...selectively infect a genetically defined cell population. While the EnvA genetic sequences are supplied...combination with molecular tools (e.g., optogenetic or chemogenetic receptors) enables complex control of...enter cells and deliver a variety of cargoes, genetically engineered neurotropic viruses emerged as powerful...individual neurons they infect. However, they generally are not transmitted to adjacent neurons via synapses...of the fact that RABV is an enveloped virus. In general, viral envelopes dictate infection of target cells...
  25. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    Published
    Aug. 11, 2016, 2:23 p.m.
    ... selectable with the antibiotic whose resistance gene is encoded in the viral vector. This antibiotic ...Martin L. Yarmush. "Polybrene increases retrovirus gene transfer efficiency by enhancing receptor-independent...aren’t working, you can check if virus is being generated by your transfected packaging cells. This check...and transduction. Once you’ve harvested, it’s generally a good idea to titer your virus. Getting an accurate...standardize your experiments later. Stay tuned to the Addgene blog and be sure to check out our viral vector ... PMCID: PMC330758. Additional Resources on the Addgene Blog Learn All about Adenovirus Associated Virus...Lentiviral Vectors Additional Resources on the Addgene.org Check out Our Viral Vector Guide Pages Find ...
  26. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ...Medicine. He is interested in everything related to gene expression, particularly at the RNA level. He maintains...fluorescent proteins and imaging technologies to study gene expression, nuclear localization, and dynamics” ...flux, etc). The most commonly used are GECIs - genetically encoded calcium indicators (e.g. GCaMP). Others...More examples of these biosensors can be found at Addgene. Split FPs – some FPs (e.g. GFP, Venus) can be...proteins interact. Oligomerization: The first generations of FPs were prone to oligomerize. This may affect...More Helpful Websites & Resources: FP guide at Addgene Interactive Visualization of Fluorescent Protein...
  27. Depositor Week 2020 is Happening Now. Join us!

    Type
    Blog Post
    Published
    Nov. 16, 2020, 2:15 p.m.
    ...research (check out this article in the GSA’s blog Genes to Genomes about a TMPRSS2 plasmid from Roger Reeve...! Thank you depositors! In fact, this year, Addgene depositors quickly stepped up to make COVID-19 ... 2,300 COVID-19 related plasmids currently in Addgene’s repository which have been requested about 1,500...whether you are a depositor or not. We will have Addgene trivia (with prizes!), polls, and shout outs, and... and we’ll be featuring the work of the Addgene community. Perhaps you’ll find plasmids and new tools ...We’ll also take a look back on some fascinating Addgene history that you might not have known about. Here's...Thursday: Throwback Thursday (Blue Flame awards and Addgene history) Friday: Wrap up! To show the magnitude...
  28. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ...Right: T1 tomato plants that inherited an edited gene to confer resistance to the herbicide chlorsulfuron...mouse monoclonal antibodies targeting the human genes and are recommended for use in immunohistochemistry...contributing to the Addgene Antibody Data Hub.  Figure 5: Immunohistochemistry with Addgene's Anti-APP [...Immunohistochemistry (Human). Addgene Report, doi: https://doi.org/10.57733/addgene.6ncijt.  ...indicator ONE-GO biosensors kit Antibodies for neurodegeneration research   Optimized prime editing in dicots...applicable to dicot species. In addition, they generated offspring tomato plants that inherited the genomic...single-molecule fluorescence techniques. After generating a series of single- and double-tagged constructs...
  29. Degrading DNA with Cascade-Cas3

    Type
    Blog Post
    Published
    Feb. 11, 2025, 2:15 p.m.
    ...therapeutics. Imagine deleting a problematic copy of a gene that causes a debilitating disease! This is, of ... and applications with the type I CRISPR system. Gene and Genome Editing, 3–4, 100013. https://doi.org...crime, Cascade. Find Cascade-Cas3 plasmids in Addgene's collection! A “complex” system Cas3 is part of...that the cell can use to repair. Figure 3: General overview of the Cascade-Cas3 mechanism. Created... CRISPR-Transposons Additional resources on Addgene.org CRISPR guide Cascade-Cas3 Plasmid collection...
  30. Production of Virus in Insect Versus Mammalian Cells

    Type
    Blog Post
    Published
    Nov. 5, 2024, 8:32 p.m.
    ... your gene of interest plus two packaging plasmids (three packaging plasmids for 3rd generation lentivirus...produce adeno-associated virus type 2 vectors. Human Gene Therapy, 13(16), 1935–43. https://doi.org/10.1089...Your Lentivirus Preps More resources on Addgene.org Addgene's virus protocols Viral Plasmids and Resources...Insect cells are a less common option for the generation of viruses, though they are a popular choice ...much larger packaging capacity — up to 38 kb! Generally, insect cell production methods produce lower ...Resources and references More resources on the Addgene blog Viral Vectors 101: Producing Your rAAV AAV...
  31. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ... depending on whether the heavy and light chain genes are contained to one plasmid or if they’ve been ... L, Gervais C, Grazzini E, Durocher Y. Transient Gene Expression in Suspension HEK293-EBNA1 Cells. Methods...Antibodies Resources on addgene.org Addgene's Antibody Purification Protocol Addgene's Video Antibody Purification...of recombinant antibodies (rAbs) exist (though Addgene has a great collection of ready-to-use rAbs and... are contained in (Randolph et. al., 2018). At Addgene, we ensure the efficacy of our antibodies through...Resources and references More resources on the Addgene blog Introduction to Antibodies Plasmid-based Recombinant...Purification Protocol Addgene's Antibody Guide References Trimmer JS. Recombinant Antibodies in Basic Neuroscience...
  32. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...transcriptional and translational dynamics of genes and proteins in living plants, to complementing mutant phenotypes...potato contains Agrobacterium T-DNAs with expressed genes: An example of a naturally transgenic food crop....simplifying plant genetic engineering Using arabidopsis in the classroom Resources on Addgene.org Find plant... transformation. There are many motivations to generate transgenic Arabidopsis, from studying transcriptional... floral drip or dip transformation method. The general steps for this method include: Cloning and transforming...Glazebrook, 2002). Find plant plasmid resources at Addgene  Choosing an expression system Choosing an appropriate...appropriate expression vector is the first step in generating transgenic Arabidopsis. There are a bunch of ...
  33. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ...recombinant adeno-associated viral vectors." Human Gene Therapy ja (2019). PubMed PMID: 31140327. PubMed...vector genome titers by droplet digital PCR." Human gene therapy methods 25.2 (2013): 115-125. PubMed PMID...found that generating the standard curve for qPCR can be challenging to get right. Here at Addgene, we use...droplet quality. Using a droplet generator, the sample and the droplet generation oil are moved through small...Since Addgene began producing AAV vector preparations, we have used quantitative PCR to evaluate the ...virus before adding your sample to a mastermix. At Addgene, we typically load 3 dilutions onto our ddPCR plate...Pipette slowly If you are using a manual droplet generator, you will have to be careful about transferring...
  34. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    Published
    Dec. 7, 2020, 2:53 p.m.
    ...plasmid (pEffector) expresses all seven required genes and the CRISPR RNA under the same promoter, and ...genomic insertions and/or deletions, to multiplexed gene knockouts (Vo et al., 2020), to multi-copy genomic...a wide variety of applications - as mutagenesis tools for genetic studies (e.g. using mariner), as a method...Medical Center. DNA transposons are ubiquitous genetic elements capable of spreading within and between... CRISPR-Cas, these systems represent the next generation of tools for efficient and programmable insertions... specifically recognized during transposition, genetic cargos must be flanked by the L and R ends - thus... at programmable insertions of even very large genetic cargo, at one or multiple desired genomic loci....
  35. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    Published
    Sept. 17, 2019, 12:40 p.m.
    .... With the ability of viral vectors to fine tune gene expression temporally and spatially, exciting times... insights into the complex relationship between genes, neurons, and behavior. There are several other ...Scientists from the University of Geneva (Creed et al., 2015) used optogenetics to support these existing findings...are combining genetic manipulations with the forced swim test understanding the genetic background of ...Guide to Viral Vectors Resources on Addgene.org Learn about Addgene's viral service Find viral protocols...behavior. We’ve previously discussed some of the general considerations for performing behavioral tests,...within the LC of mice. When those neurons are chemogenetically activated, norepinephrine release causes a...
  36. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    Published
    Oct. 27, 2015, 3 p.m.
    ...negative bacteria periplasm. Efforts to tag endogenous genes for proteins in these compartments using CRISPR ...tagging to detect proteins expressed from cloned genes: deletion mapping functional domains of Drosophila...quantitative imaging experiments and cell physiology in general. Pitfalls of Fluorescent Protein Fusions Observing...cellular compartments other than the cytoplasm. Generally, FPs evolved in or were engineered for use in ...N-glycosylation consensus sequences in popular FPs. This generated a palette of inert green, cyan, yellow, and blue...standard FPs. The moxFPs are now available through Addgene Many thanks to our guest bloggers Erik L. Snapp...Central PMCID: PMC2150754. Resources Avaliable at Addgene Read Our Blog Post on Protein Tags Read Other ...
  37. New Viral Vectors - Summer 2024

    Type
    Blog Post
    Published
    July 9, 2024, 1:15 p.m.
    ...promoter. Use this for doxycycline inducible (tet-off) gene expression! We've also added AAV1 and AAV5 preparations...variants of a new optogenetic tool called PdCO, deposited by the Yizhar lab. Addgene is now offering AAV1... Brian O'Neill.  More resources on the Addgene blog Addgene's Data Hub What is a Virus (and a Viral Vector...What's new in Addgene's ready-to-use viral vectors repository? Quite a bit! In this post, we'll share...to our viral vectors repository since March.  Addgene is now offering an AAV2 CAG-driven tTA expresser...AAV5 preparations of several variants of a new optogenetic tool called PdCO.  This is an "optoGPCR" (coupled...Table 1: New ready-to-use viral vectors in the Addgene repository  Name Serotype Category Depositor...
  38. Plasmid Grant to Aid Cervical Cancer Screening in Ghana

    Type
    Blog Post
    Published
    Nov. 8, 2016, 3:30 p.m.
    ...Gladys will use plasmids containing a variety of HPV genes as positive controls in her PCR screens. She hopes... Sciences in Ghana will be receiving the third Addgene/Seeding Labs plasmid grant and plans to use the...future. Future awardees We will be opening the Addgene/Seeding Labs Plasmid Grant to a third round of ...inspiring research. Additional Resources on the Addgene Blog Learn How We Raised Money for Rare Disease...Grants to Rare Disease Research Resources on Addgene.org Check out our Cancer Pages Learn about Global...
  39. PEI Calculator for Planning AAV Packaging Transfections

    Type
    Blog Post
    Published
    Jan. 23, 2018, 2:04 p.m.
    ...Resources on the Addgene Blog Important Considerations When Using AAVs AAVs Are Great Tools for Gene Expression...Check out Addgene’s Step-By-Step Protocol Pressed For Time? Order Ready-to-Use AAV from Addgene ...Expression in Mammals Resources on Addgene.org Find AAV Packaging and Transfer Plasmids Here New to Making...
  40. Editor's Choice, July 2016

    Type
    Blog Post
    Published
    Aug. 5, 2016, 3 p.m.
    ...the Cell Matter? AAV: A Versatile Viral Tool for Gene Expression in Mammals Recombinase-based State Machines...excellent posts from July: Addgene at the ASM Microbe 2016 Conference Generating Mouse Models Using CRISPR... them. July 2016 was a fantastic month for the Addgene blog. We achieved roughly 50,000 views over the...perturbations to how CRISPR has made it much easier to generate mouse models.   Cpf1 Update: Comparison to Cas9... Science Communications Intern (and soon to be Addgene Scientist!) Mary Gearing, this post focuses on ...
Showing: 441 - 480 of 920 results