We narrowed to 930 results for: Gene
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TypeBlog PostPublishedSept. 10, 2020, 11:45 a.m....sequence between two target sites. Modifying multiple genes at once. Using multiplexed gRNAs can target multiple...simultaneous multiplex editing of six different genes. This system doesn’t rely on any additional or host-dependent...from this paper at Addgene. 9. Yin, Linlin, et al. “Multiplex Conditional Mutagenesis Using Transgenic ...plasmids from this paper at Addgene. Additional Resources on the Addgene Blog Browse Our CRISPR Topic...add multiple gRNAs on one plasmid. Sound good? Addgene has many tools to help you multiplex - we’ll use...multiplex gRNAs, some being: Using dual nickases to generate a knockout or edit. This can help reduce off-target...Multiplexing gRNAs: the basics One common question Addgene Senior Scientists receive is: can I express more...
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Viral Vectors 101: The AAV Retrograde Serotype
TypeBlog PostPublishedApril 27, 2023, 1:15 p.m....inhibiting gene expression, detecting neuronal signaling, or manipulating any other genetically controlled...wide array of genetic tools for neural interrogation like optogenetic tools, chemogenetic tools, and biosensors... the Addgene Blog Get Started with AAV Learn more about Lentivirus Find out More about Addgene's Viral...injected into the brain and efficiently deliver genetic information or tools, making them useful tracers...efficiently infects neurons, directs high-level transgene expression, and has retrograde functionality to...manipulated (e.g., activated or inhibited) by any genetic tool delivered by the AAV. AAVrg requires high...evaluating how this serotype works in your system. Chemogenetic vectors Expression of retrograde serotype vectors... -
AAV Q&A with Tim Miles
TypeBlog PostPublishedMay 17, 2022, 1:15 p.m....Technique Q1: Is there any way to deliver a long gene (>4.5 kB) by AAV? A: One potential strategy is to...applications in diseases which may be linked to epigenetic changes, such as multiple sclerosis? A: Basic...an exciting area for future AAV application to epigenetic editing. This area is discussed in our recent...excellent questions. Additional Resources on the Addgene Blog Using virus in your research - a primer for...Tips for a first time AAV user Resources on Addgene.org Find Adenovirus Plasmids Adenovirus Guide Page... -
Luminescent Imaging with Nano-lanterns
TypeBlog PostPublishedMay 25, 2017, 2:30 p.m....Suzuki et al. also envision eNLs as good reporter genes for endogenous protein fusions created using CRISPR...plasmids from this paper at Addgene. Additional Resources on the Addgene Blog Learn about Photoactivatable...proteins. To make luminescent imaging a reality, Addgene depositor Takeharu Nagai and colleagues at Osaka...nano-lanterns for use in various applications, including optogenetics, biosensors, and fusion proteins. Solving the...yield, and when transiently expressed in cells, generates much less signal than comparable fluorescent proteins... approach is especially suited to complement optogenetic tools, where light used for excitation can cause...cause unintended activation of the optogenetic system. Biosensors based on Nano-lantern technology are... -
Scientists Map the SARS-CoV-2-Human Interaction Network
TypeBlog PostPublishedApril 9, 2020, 1:15 p.m....as a control. For easier portability, all viral genes are flanked by EcoRI and BamHI restriction sites...coronavirus or COVID-19 research, please email Addgene at help@addgene.org with your order number and so it can .... Sign up for email alerts on the Krogan lab's Addgene page to get notified!) Attacking coronavirus, one...reasons, the QCRG is delighted to be partnering with Addgene, who will be taking over the distribution to expand... coronavirus related plasmids and resources at Addgene* Many thanks to our guest bloggers Manon Eckhardt... -
Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System
TypeBlog PostPublishedJune 4, 2019, 1:02 p.m....that control cell cycle gene expression. Additional Resources on the Addgene Blog Visit the fluorescent...work in Lin Tian’s lab at UC Davis is to generate a genetically encoded fluorescent sensor for serotonin...sequence an individual’s genome. But when they find genetic variants, what does that mean? Previous research...of Washington sought to address the effects of genetic variants in a high throughput manner. She helped...modeling, directed evolution, site-saturation mutagenesis, and medium-throughput screening, she increased...GFP Find microbiology blog posts Resources on Addgene.org Find fluorescent protein biosensors Browse Plasmids... -
Visualizing Genomic Loci with CRISPR-Sirius
TypeBlog PostPublishedApril 18, 2019, 12:53 p.m.... observing low-copy genomic loci or single copy genes. If you want to visualize genomic loci brightly,...PP7, or boxB sequences inserted into the sgRNA generates blue, green, or red colors for labeling. A combination... PP7, or boxB sequences in the same sgRNA will generate additional colors. Image from Ma et al., 2016 ...CRISPR-Sirius a try. Find CRISPR-Sirius plasmids at Addgene. References Ma, Hanhui et al. “Multicolor CRISPR...PubMed PMID: 30377374. Additional resources on the Addgene blog Download our CRISPR eBook Learn about fluorescent...tools Read all CRISPR blog posts Resources on Addgene.org Browse our CRISPR plasmids for visualization... -
A Deep Dive into BioBuilder
TypeBlog PostPublishedOct. 11, 2017, 1:44 p.m....Plasmids for Creating and Controlling Gene Networks Browse All SynBio Plasmids ... education policy. Additional Resources on the Addgene Blog Synthetic Biology and the Importance of Assembly...All Synthetic Biology Blog Posts Resources on Addgene.org Guide to SynBio Assembly Standards Find Plasmids... -
Opto-Nanobodies: Using Light to Manipulate Cell Signaling and Protein Purification
TypeBlog PostPublishedNov. 19, 2019, 2:08 p.m....telephone, until the message reaches the nucleus where gene expression changes lead to cell proliferation and... on Addgene.org Find nanobody expression plasmids here Learn more about optogenetics in Addgene's optogenetics...induced binding. The lab used this general design scheme to generate two more OptoNBs, one against mCherry...loop 1 always generated OptoNBs with dark-induced binding, but insertion into loop 6 generated both blue ...on the key components of OptoNBs, how they are generated, and their use for protein purification and controlling...nanobody’s ability to bind its target protein. Generating OptoNBs The opening and closing of the AsLOV2...spatiotemporal resolution than pharmacological or genetic manipulation of the signaling pathway. As a proof-of-principle... -
5 Great Apps for Lab Life
TypeBlog PostPublishedSept. 22, 2016, 2:30 p.m....at East Tennessee State University. He works with gene expression in Pseudomonas aeruginosa. Follow him...Protocols Check Out How Addgene Develops Lab Management Software Resources on Addgene.org Find Protoctols ... and do not necessarily represent the views of Addgene. I think it’s safe to assume that anyone reading...by New England BioLabs In my lab we do a lot of genetic construction and cloning experiments. Not all of...100percentSDS. Additional Resources on the Addgene Blog Learn How to Keep a Lab Notebook for Bioinformatic... -
Plasmids 101: Methylation and Restriction Enzymes
TypeBlog PostPublishedJune 30, 2016, 2:30 p.m....endonucleases. A given prokaryote typically has genes encoding one or a few restriction modification systems...Results Use REPLACR Mutagenesis to Mutate Your Plasmids Resources on Addgene.org Check Out Our Plasmid...newly synthesized product from a site-directed mutagenesis experiment? The answer to both questions is the...cleave DNA. DpnI is often used for site directed mutagenesis. During this process, incorporation of a desired...mutation into your plasmid of interest by PCR generates mutated plasmids with no methylation (there are...illustrates how sequence visualization software (we used Snapgene here) can help you assess whether your restriction...describing dam-/dcm- E. coli Resources on the Addgene Blog Keep up with the Latest Cloning Techniques... -
CRISPR 101: Cytosine Transversion Editors
TypeBlog PostPublishedMarch 25, 2025, 1:15 p.m....The first base editors revolutionized CRISPR gene editing. Cytosine base editors (CBEs) and adenine base...conducted a CRISPRi screen to identify endogenous genes that impact CGBE efficiency. In addition to using...review how CRISPR-derived base editing works in general. Base editors use either catalytically dead Cas9...efficiency and produced fewer indels than first-generation editors. This team also demonstrated that different...sequences) (Huang et al., 2024). BE4max, a CBE, generated similar deletions at a lower frequency. Their ...and its inclusion significantly reduced indels generated by CGBEs. What's next? Base transversion editing...base transition editing, we can expect several generations of optimization before the field begins to converge... -
CasPEDIA: A Functional Classification of Cas Enzymes
TypeBlog PostPublishedJan. 25, 2024, 2:15 p.m.... widely available and applied by researchers for gene targeting. Fast forward a decade, and the CRISPR...Resources on Addgene.org CRISPR software and resources Addgene CRISPR Guide Addgene’s CRISPR 101 eBook... trans activity. AsCas12a, on the other hand, generates staggered DNA nicks at its target in cis and cleaves...end goal. CasPEDIA also features useful links to Addgene resources throughout the site. In the Experimental...each enzyme page, you'll find a link to search Addgene's collection for plasmids containing that enzyme... from the article if they're available through Addgene. So whether you're looking for the exact Cas9 plasmid... or browsing for the latest AsCas12a plasmids, Addgene and CasPEDIA have got you covered! ... -
Developing a cold tolerant E. coli using specialized chaperones
TypeBlog PostPublishedJan. 28, 2020, 2:35 p.m....where we could incorporate cold-tolerance inducing genes within a regular mesophilic host system. This would...resources on the Addgene blog Find our synthetic biology blog posts Resources on Addgene.org Find plasmids... pC013-Twinstrep-SUMO-huLwCas13a plasmids from Addgene, which would potentially allow a stable Cas expression...” by Benoit Giquel, an outreach scientist from Addgene. The talk highlighted the importance of reagent... -
Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering
TypeBlog PostPublishedMay 3, 2018, 1:48 p.m....In this case, Konermann et al. targeted MAPT, the gene encoding dementia-associated tau, delivering dCasRx...possibilities. To identify Cas13d, both groups used very general bioinformatic screens that looked for a CRISPR ...scientific sharing will continue to grow, and we at Addgene appreciate our depositors for making their tools...29551272 Plasmids from this paper are available at Addgene. Yan, Winston X., et al. “Cas13d Is a Compact ...29551514 Plasmids from this paper are available at Addgene. Learn more about research at Arbor Biotechnologies...Biotechnologies. Additional Resources on the Addgene Blog: Learn about CRISPR RNA Editing with REPAIR Get tips...Cas13a (C2c2) Characterization Resources on Addgene.org: Find RNA Knockdown Plasmids Check out our CRISPR... -
Visualizing Protein Turnover In Situ
TypeBlog PostPublishedJan. 16, 2018, 3:20 p.m....situ is the knock-in of fluorescent tags into the gene locus of interest. An advantage of this alternative...studied a synaptic protein that is linked to neurodegeneration. The level of this protein is decreased in...PMCID: PMC4121734. Additional Resources on the Addgene Blog Fluorescent microscopy techniques - Which... tagging strategies Additional Resources on Addgene.org Fluorescent protein plasmids Use FRET to study...protein-protein interactions Deposit plasmids with Addgene! ... -
CRISPR 101: Non-Homologous End Joining
TypeBlog PostPublishedApril 16, 2015, 3:45 p.m....repair of Cas9-generated breaks is useful if the intent is to make a knockout in your gene of interest, ..., as it is prone to generating indel errors. Indel errors generated in the course of repair by NHEJ are...are typically small (1-10 bp) but extremely heterogeneous. There is consequently about a two-thirds chance...Of some importance, the deletion can be less heterogeneous when constrained by sequence identities in flanking...overhangs is available. Cas9 can also be altered to generate a targeted single strand break; when two such ... Dale Ramsden is a member of the curriculum in Genetics and Molecular Biology, the Dept. of Biochemistry... Break Diminishes Its Mutagenic Potential. PLoS Genet 5:e1000683 . https://doi.org/10.1371/journal.pgen... -
Transferable Skills Guide: Public Speaking
TypeBlog PostPublishedApril 20, 2023, 4 p.m....You realize, much too late, that you labeled your gene of interest incorrectly on slides 8-16. Your notes...remember related to this paper and/or biology in general until I reached Fig. 6, Panel L, and hope nobody...breath–you got this! Additional resources on the Addgene blog Transferable Skills Guide: Time Management... -
Hot Plasmids and Viral Preps - March 2021
TypeBlog PostPublishedMarch 23, 2021, 1:15 p.m....from Jiazhang Lian’s lab that enables simultaneous gene activation, repression, and editing with a single...studies. Duong et al., Genetics 2021. https://doi.org/10.1093/genetics/iyab006 The CRISPR ... need. Here's what you'll find in this post: Epigenetic engineering with single-pot assembly Tracking...CRISPR plasmids New items from the viral service Epigenetic engineering with single-pot assembly By Eric ... of plasmids to the repository that will help epigenetic researchers custom design their own engineering...) Golden Gate assembly (backbones available at Addgene) with examples of potential synthetic chromatin...with BFP, sender cells expressing surface BFP generated BFP-labeled receiver cells. What’s more, G-baToN... -
RNA Extraction Without A Kit
TypeBlog PostPublishedMarch 24, 2020, 1:15 p.m....downstream application such as quantitative PCR to assess gene expression. There are several things that researchers...everything, including your skin. Here are some general tips for working with RNA, even if you are using...10.1038/nprot.2006.83 Additional resources on the Addgene blog Read blog posts related to plasmid protocols...for purifying DNA without a kit Resources on Addgene.org Check out our molecular biology protocols Find...