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  1. Tips from the Repository Trenches: Using Barcodes to Track Samples

    Type
    Blog Post
    ...and make sure they have been barcoded with a unique ID number (1D barcode as shown below). This number ensures...samples. They will help your lab ensure that sample ID’s are unique, consistently labeled, and that numbers...barcode to the container holding the tubes and use this ID to name the corresponding Excel sheet.3. Be specific...the 2D barcodes mentioned above. These barcodes identify what type of sample is contained within the tube...tube’s appropriate location. The barcode also identifies the contents of each individual tube.  If a plate...bacteria with the plasmid can grow. As the bacteria divide, they replicate and retain the plasmid. This allows...store a lot of information in a small space and is ideal for tracking large collections. Many companies, ...
  2. Behind the scenes: Addgene’s new search engine and more

    Type
    Blog Post
    ...search scoped to that category. Catalog ID suggestions provide shortcuts to specific catalog items as ...contains a plasmid with the catalog ID). Depositor suggestions provide shortcuts to matching PI labs and...educational resources — including blog posts, protocols, guides, and collections — is a lot of material to sift... the different usage patterns the larger team identified. The basic function of a search engine is to ...through our educational resources. Filters We identified the most useful kinds of information per resource...words, phrases, partial phrases, or numerical identifiers. We also combine the different terms in a query... name in the publication field. Suggestions We provide as-you-type suggestions in different ways. Keyword...
  3. CasPEDIA: A Functional Classification of Cas Enzymes

    Type
    Blog Post
    ...the former, you simply type in identifier keywords (Cas name, RefSeq ID, etc.) and you will see a table...got you covered!     Fig. 1 – CasPEDIA Cas ID display information for a given Cas (SpyCas9a) from...not so long ago, spCas9 was the only Cas enzyme widely available and applied by researchers for gene targeting...experimental fit due to this. But now, it’s time to cast aside those concerns and embrace a new resource to solve...CasPEDIA is an online, searchable resource that provides summary information on Class 2 Cas enzymes. The...requirement, gRNA, and multiplex ability Experimental guidelines and applications Protein structure and properties...experiment. Target requirements As we all know, a Cas guided by a gRNA is useless without an adjacent PAM or...
  4. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    ...with the ID of the component plasmid, component name, size, and any comments. You can use the ID to look...it’s easy to switch out reporters, Cas proteins, guide cassettes, promoters, N’ and/or C’ terminus, and...Bbsl, a Type II restriction enzyme that cleaves outside of its recognition sequence. This means that each...Mammalian Lentivirus pRDA_512 (RSV-driven; lentiGuide-based) Mammalian Lentivirus pRDA_722... the design process down into four easy steps, provides the real value for the user. Let's walk through... Plasmids 101: Modular Cloning Addgene's CRISPR Guide Plasmids 101: Golden Gate Cloning...
  5. pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs

    Type
    Blog Post
    ... Addgene ID numbers and the reprogramming factors they encode Episomal Plasmid Addgene ID# Encodes ...iPSCs. The generation of human iPSCs (hiPSCs) now provides an opportunity to develop and use patient-specific...fibroblasts [3]. These advantages make PBMCs the ideal source of somatic cells for reprogramming purposes...field [4]. Three major reprogramming methods are considered when generating hiPSCs for clinical purposes:... of the procedure. Episomal reprogramming is an ideal and cost-effective method for creating clinical-...reported efforts. The pCXLE episomal system thus provides a practical way to generate transgene-free, virus-free...
  6. We're Updating Our Hold for Publication Policy

    Type
    Blog Post
    ...addgene.org with the citation and your deposit or plasmid ID numbers and we’ll be happy to update the plasmids...submit plasmids at any point in that process and we provide an option to keep your deposit on hold from public... their materials as soon as possible, whether alongside a journal article, a preprint, or without any ...openly sharing materials are both excellent ways to provide transparency, support reproducibility, and accelerate...with journal articles. But we do encourage you to consider sharing them openly as soon as that preprint is...
  7. Science Guides

    Type
    Guide
    ...Collection of guides that describe how popular scientific techniques work... Science Guides Addgene has created... created the following guides to help you start learning about various scientific concepts related to ...to our plasmid collection. Find links to the guides below. Antibodies Chemogenetics CRISPR Optogenetics...molecule, can be used to capture, quantify, and identify proteins of interest. Read More Chemogenetics ... sets. Read More Viral Vectors Find educational guides to learn more about the different types of viruses...
  8. Adenovirus Guide

    Type
    Guide
    ...Viral Vectors Adenoviral Vector Guide Adenoviral Vector Guide Jump To: Adenoviral Vectors Vector Production...homologs, especially when having to express them alongside a guide RNA and other regulatory elements. The packaging...production, in trans refers to genetic elements provided outside of the plasmid containing the gene of interest...vector guide to learn about adenoviral vector components, production and common uses. Science... Science Guides Viral...a protein capsid and the viral genetic material inside. Adenoviral genomes range between 26–45 kb in length... terminal repeats (ITRs). Adenoviral genes are divided into early (E1A, E1B, E2, E3, E4) and late (L1,...
  9. Chemogenetics Guide

    Type
    Guide
    ... Science Guides Chemogenetics Guide Chemogenetics Guide Jump To: Chemogenetics Guide Early Chemogenetic...and this must be considered. For tissue specificity of AAV serotypes, see our AAV guide . FLEx Vectors ...Addgene's guide to using Chemogenetics plasmids in your lab for interrogation of neuronal activity. Science...the application of a small molecule ligand. The ideal chemogenetic tools are unresponsive to native ligands...cell population they are targeted to. Read this guide to learn more, or explore Addgene's Chemogenetics...signaling. GPCRs have been shown to be involved in a wide variety of biological processes, including initiating...of constitutive activity, making them less than ideal. DREADDs Designer Receptors Exclusively Activated...
  10. CRISPR Guide

    Type
    Guide
    ...Science Guides CRISPR Guide CRISPR Guide Jump To: CRISPR Guide Overview CRISPR Basics Small Edits Large...making CRISPR perfect for genome-wide screens. This guide will provide a basic understanding of CRISPR ...genomic target of the gRNA can be any ~20 nucleotide sequence, provided it meets two conditions: The sequence...fusion tools later in the guide. Figure 3: Overview of Cas9n. Increasing fidelity of Cas9 Researchers have...Cas9 into high fidelity Cas9s (hfCas9) . There is currently no defined measure of fidelity, so sometimes...with higher fidelity than SpCas9. FrCas9 (from Faecalibaculum rodentium ) has increased fidelity, and recognizes...some base editing systems create a wide spectrum of single-nucleotide variants (somatic hypermutation) ...
  11. Optogenetics Guide

    Type
    Guide
    ... Science Guides Optogenetics Guide Optogenetics Guide Jump To: Optogenetics Guide Microbial Opsins...have been created and identified in other species. By acting as light-gated chloride channels, these variants... mutations 540 Channelrhodopsins: chloride channels iChloC Chloride-conducting channel, CrChR2 with mutations...Addgene's guide to using Optogenetics plasmids in your lab, including explanations of microbial opsin...governing biomolecular processes with light. Read this guide to learn more, or explore Addgene's Optogenetics...activated. In the past, the field of optogenetics was considered to include both actuators (genetically-encoded...ions into or out of the cell. Scientists have identified a variety of naturally occurring microbial opsins...
  12. Antibody Guide

    Type
    Guide
    ... Science Guides Antibody Guide Antibody Guide View Addgene's Antibody Collection...This method uses peptide identification by proteomics (Capture MS) to validate the identity of proteins recognized...first identify your assay type and what species your protein of interest comes from. Then consider the ...In our Antibody Guide, we define key terms, summarize antibody production and storage techniques, and...Collection Jump To: Antibody Guide Production Structure Isotypes Antigen Specificity Other Affinity Reagents...Antibodies can be used in the lab to quantify, identify, separate, and locate proteins of interest. The... between antibodies, allows for the antibody’s identity to be easily confirmed via sequencing, and enables...
  13. Lentiviral Vector Guide

    Type
    Guide
    ... Science Guides Viral Vectors Lentiviral Vector Guide Lentiviral Vector Guide Jump To: Lentiviral...production, in trans refers to genetic elements provided outside of the plasmid containing the gene of interest...Read our lentiviral guide to learn about lentiviral components, generations, lentiviral production, and...mutations, or treatments into cells, and has been widely used in the research community for decades. Wild-type...in a host, and exhibit low immunogenicity. This guide contains many viral vector-specific terms and acronyms...gamma-retroviruses, see Addgene's gamma-retroviral vector guide . Lentiviral Vectors The genome of lentiviruses ...contains packaging gene env (usually VSV-G due to wide infectivity) VSV-G (vesicular stomatitis virus G...
  14. Modular Cloning Guide

    Type
    Guide
    ...Molecular Cloning Techniques MoClo Guide Modular Cloning (MoClo) Guide You may also like... Plasmid Kits... restriction enzymes BsaI and BpiI/BbsI to cut outside their recognition site, leaving DNA fragments with...unit (for example, a promoter, a 5' UTR, a signal peptide, a protein-coding gene, and a terminator, as in...plasmids designed to quickly and efficiently build a wide variety of gene expression constructs using the ...construction of highly-active Platinum TALENs for use in a wide variety of target organisms. TALEN Kit Genome Engineering...fluorescent proteins, protein tags, and signal peptides, for use in a range of organisms including diatoms...plants and bacteria. References and More Resources Guide to DNA Assembly Techniques by Nicola Patron at The...
  15. Plasmids 101: A Brief History of Plasmids and an Improved eBook!

    Type
    Blog Post
    ...“plasmid” derived as a hybrid of "cytoplasm" and "id" (Latin for 'it'), as “a generic term for any extrachromsomal...noted that, unlike F-factors, the evidence did not support the idea that R-factors could integrate into... Élie Jacob and François Wollman and became the widely adopted name for these elements. At the time, the...Herbert Boyer, and Charles Brinton concocted a wild idea of using the newly discovered EcoRI enzyme (and ...such as pBR322, pACYC, and pUC were developed to provide higher copy number vectors that could be used in... with our goal of creating a one-stop reference guide for plasmids we've updated and added new content...Datta, Naomi. “Transmissible Drug Resistance in an Epidemic Strain of Salmonella Typhimurium.” The Journal...
  16. Guide to Using Pooled Libraries

    Type
    Guide
    ... Science Guides Guide to Plasmid Pooled Libraries Plasmid Pooled Libraries...amplification protocol. Read our CRISPR guide for more information on genome-wide screening with CRISPR/Cas9 . Browse... Libraries Jump To: Pooled Library Guide Introduction Library Amplification Types of Screens Resources...powerful tool for forward genetic screening, or identifying previously unknown genes that contribute to a...replicate for that plasmid. Library screens can be divided into two types: positive screens and negative screens...septicum alpha-toxin , and resistance to to the nucleotide analog 6-thioguanine . Next-generation sequencing...Positive Screen In a positive screen, the goal is to identify those cells that survive post-selection. The selective...
  17. Gamma-Retroviral Vector Guide

    Type
    Guide
    ... Science Guides Viral Vectors Gamma-Retroviral Vector Guide Gamma-Retroviral Vector Guide Jump To: Gamma-Retroviral...production, in trans refers to genetic elements provided outside of the plasmid containing the gene of interest...Read our gamma-retroviral guide to learn about gamma-retroviral components, retroviral production, and...mutations, or treatments into cells, and has been widely used in the research community for decades. Wildtype...expression in a host and low immunogenicity. This guide contains many viral vector-specific terms and acronyms...about lentiviruses, see Addgene's lentiviral vector guide . Gamma-Retroviral Vectors The genome of gamma-retroviruses...contains packaging gene env ; usually VSV-G due to wide infectivity VSV-G (vesicular stomatitis virus G ...
  18. Adeno-associated virus (AAV) Guide

    Type
    Guide
    ... Vectors AAV Vector Guide Adeno-Associated Viral (AAV) Vector Guide Jump To: AAV Vectors Vector Production...watching our Optogenetics 101 video or by visiting Addgene's Optogenetics Guide . Browse optogenetics plasmids...production, in trans refers to genetic elements provided outside of the plasmid containing the gene of interest... vector guide to learn about AAV vector components, production and common uses. Science... Science Guides Viral Vectors...a protein capsid and the viral genetic material inside. The AAV genome is ~4.7 kb long and consists of...viral vectors for gene therapy applications. This guide contains many viral vector-specific terms and acronyms...
  19. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    ...ssODN: Using Ensembl Transcript ID(s) as an input query, pick crRNA (guide RNA sequence targeting the gene...tagging experiments: Retrieve Ensembl Transcript ID(s) of your favourite gene(s) from Ensembl genome ...coupled to high-throughput sequencing to identify genome-wide binding patterns of the target protein. ... not work in pull-down assays: Epitope tagging provides a solution Proteins - the workhorses of the cell...complexes are then analysed by mass spectrometry to identify the interacting proteins. Similarly, in ChIP-seq.... Both IP/MS and ChIP-seq methods provide a wealth of information about how protein networks work in ...to mention frustrating. One elegant solution to sidestep the antibody problem is to tag the protein of ...
  20. Dos & Don'ts When Publishing a Scientific Manuscript

    Type
    Blog Post
    ...bit like a GenBank ID) to all antibodies, animal models, and software tools in the Materials and methods...scope for the journal’s coverage. These guidelines also provide information on a journal’s house style ...Resource Identification Initiative. During this project, authors are asked to add an identifier (a bit ...vivo research and the CARE guidelines for case reports are two sets of guidelines frequently used by editors...information is provided. The clearer you write your paper and the more information you provide on data, materials...publication in a scientific journal requires several considerations. First, it is important to establish the type...audience you want to reach with your paper. Is it the wider scientific community, or are you writing for a specific...
Showing: 201 - 220 of 1104 results