Skip to main content
Addgene

Enter a sequence to perform a BLAST-based search of Addgene plasmid sequence databases.

In Category

We narrowed to 590 results for: abo.1

Showing: 141 - 160 of 590 results

  1. An Introduction to Adenovirus

    Type
    Blog Post
    Published
    Oct. 3, 2023, 1:15 p.m.
    ...that the culprit for these unusual cases was either 1) a physiological effect of SARS-CoV-2 toward destabilizing...an AdV transfer plasmid with the E1 and E3 (Early 1 and Early 3) genes deleted. These genes’ functions...certain contexts (Bauzon et al., 2003).        Figure 1: The adenovirus life cycle. Image reused from Kremer... review of the evidence. Emerg Microbes Infect, 8(1), 1679–1687. https://doi.org/10.1080/22221751.2019.1690953...574–580. https://doi.org/10.1038/s41586-023-05949-1. PMID: 36996871. Tatsis, N., Fitzgerald, J. C., Reyes-Sandoval...this introduction gives a sense of what AdVs are about – and we hope that it inspires further use of existing...

  2. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ...under a wide range of inducer concentrations (0.1-1% L-arabinose) without signs of toxicity or burden ...bacteria have colonized (Fig. 1c).     Fig. 1: Expressing bARGSer in E. coli. (a) Plasmid diagram...ultrasound contrast. In all the cell lines we tested, 1 µg/mL doxycycline was sufficient to saturate expression...engineering a cell line, cotransfect the mARG cassettes 2:1 (A:N-V) with PiggyBac transposase and outgrow the ... tumors and tumor-homing bacteria. Nat Biotechnol 1–13 (2023) doi:10.1038/s41587-022-01581-y  ...you enjoy playing with our genes. Have fun!    About the authors: Marjorie Buss is a PhD student studying...

  3. Plasmids 101: Broad Host Range Plasmids

    Type
    Blog Post
    Published
    April 11, 2024, 1:15 p.m.
    ...Table 1 has a detailed list of the bacterial species these plasmids are compatible with.  Table 1: Non-...high copy numbers and reduced metabolic load (Meyer 2009). Figure 1: Idealized examples of a narrow...for DNA cloning in Gram-negative bacteria. Gene, 70(1), 191–197. https://doi.org/10.1016/0378-1119(88)90117... N.J.), 765, 327–343. https://doi.org/10.1007/978-1-61779-197-0_19  Meyer, R. (2009). Replication and ...

  4. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    Published
    July 11, 2019, 1:26 p.m.
    ...blog Find our CRISPR blog posts Read blog posts about using Cre-lox Read our genome engineering blog posts... posts Resources on Addgene.org Find more about Cre-lox Read our Genome Engineering Guide Learn more...

  5. Quick Guide to Near-Infrared Fluorescent Proteins

    Type
    Blog Post
    Published
    Oct. 5, 2021, 1:15 p.m.
    ...2021).   Table 1: Properties of modern NIR FPs     NIR FP Ex, nm Em, nm ECa, M-1cm-1 QYb, %   Molecular...brightness (Table 1).  NIR reporters and biosensors NIR reporters can tell us about cellular events via...expression level. State-of-the-art FPs (listed in Table 1) were optimized for efficient binding of endogenous...previously reported widely used dimeric iRFPs (Table 1). In general, the monomeric state of a probe leads...in eukaryotic cells as an intermediate of heme metabolism (Shemetov et al, 2017). Modern state-of-the-art...NIR-GECOs were developed based on mIFP6. Learn more about the characteristics, performance, and applications...

  6. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    Published
    Feb. 27, 2024, 2:15 p.m.
    ... emailed submission) in the Deposit menu: Figure 1: Begin the deposit process by clicking "Submit Online...the plasmids, or (for deposits submitted after July 1, 2025) after three years on hold, Addgene staff may...cases Please contact us at [email protected] or +1 (617)-ADDGENE (233-4363) if your deposit falls into...Addgene?" or contact us at [email protected] or +1 (617)-ADDGENE (233-4363) with additional questions...strain. Please contact us at [email protected] or +1 (617)-ADDGENE (233-4363) if you’d like to distribute...page so that any data you enter is not lost.   Step 1: Sequences, Maps, and Files Please provide any full...a 1.5 mL microfuge tube at a concentration of 0.1–1 µg/µL (or bacterial streaks, if you prefer). If you...

  7. RUBY-Red Siliques

    Type
    Blog Post
    Published
    March 1, 2022, 2:15 p.m.
    ...in all other plants, anthocyanins.   Figure 1: An adult plant expressing RUBY. Photos by Andrew ... be collected from heterozygous individuals. Only 1/4 of the descendants of the heterozygous plants, therefore... (2020). https://doi.org/10.1038/s41438-020-00390-1 Additional resources on the Addgene blog  CRISPR 101... is difficult for new members of the lab or collaborators unfamiliar with these mutant plants. Using RUBY...resistant disease. (RUBY-red: You can’t beet it!) About the Author  Andrew Willoughby is a graduate student...

  8. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    ... vectors are: 1) the potential generation of replication competent virus [usually HIV-1]; and 2) the potential...systems have been developed over the years based on HIV-1; however, the 1st-generation vectors are never used...which has been shown to repress expression of HIV-1 LTRs (more information is available here). 2nd vs...Plasmids 101 Learn about genome-wide screening with CRISPR and Lentivirus Read about the ClonTracr Library... the proper cell line is used; several common laboratory cell lines including 293 were immortalized with...

  9. Selecting Your Plasmid Purification Kit

    Type
    Blog Post
    Published
    May 27, 2025, 1:15 p.m.
    ...require large amounts of high quality DNA. Figure 1 illustrates the three grades of DNA you may need based...their relative quality and quantity.   Figure 1: Plasmid preps fall into different categories based...specific volume ranges of culture as their input (Table 1). When you feel like you need just a bit higher DNA...kit for example. These kits are designed to handle ~1–5 mL of liquid culture. Using a higher volume can ...beads and a suitable magnet as you scale up. Table 1: Standard Prep Kit Capacities* Prep size Amount...Amount of culture Approximate DNA yield** Miniprep 1–5 mL 5–50 µg Midiprep 25–100 mL 20–200 µg Maxiprep...columns we’ve been talking about!) are a significant source of waste in laboratories. To help combat this, ...

  10. Antibody Data Repositories and Search Engines

    Type
    Blog Post
    Published
    Oct. 31, 2024, 1:15 p.m.
    ...shared the ones we're familiar with in Table 1.  Table 1: Antibody data repositories and search engines...Program (HuBMAP)  Antibody Characterization Laboratory Cancer Any Data repository From the Frederick...And if you're interested in joining discussions about improving antibody quality throughout research, ...

  11. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    Published
    July 14, 2016, 2:30 p.m.
    ...on-target and off-target editing efficiency Figure 1: Effects of (A) double and (B) single base pair gRNA-target...that Cpf1 can tolerate mismatches at gRNA positions 1, 8, 9, and 19-23. Accordingly, the 3’ end of the gRNA...Most gRNAs directed low-frequency Cpf1 cleavage at 1-12 off-target sites; in contrast, SpCas9 may cleave...fits into the genome editing landscape. References 1. Kim D, Kim J, Hur JK, Been KW, Yoon SH, Kim JS. Genome-wide...a cell culture model. What we still don't know about Cpf1 In their original paper characterizing Cpf1...Addgene Blog Catch Up On Your Cpf1 Background Read About CRISPR Competitor NgAgo Learn How You Can Use piggyBac...

  12. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    Published
    April 26, 2022, 1:15 p.m.
    ...against the limitations of the assay.      Fig. 1: A schematic representation of Sybr Green chemistry...Methods Mol Biol. 2018;1768:143-160. doi: 10.1007/978-1-4939-7778-9_9. PMID: 29717442. Arya M, Shergill IS...amplification of Plasmodium falciparum multidrug resistance-1 gene (pfmdr1). J Parasitol. 2011 Oct;97(5):939-42....gamma receptor genes FCGR3A and FCGR3B. PloS one, 10(1), e0116791. https://doi.org/10.1371/journal.pone.0116791...controls must be run in triplicate.  The nice thing about qPCR is that since it measures relative quantification...number, albeit within a range of RQ values as noted above.   In both applications, results can be affected...

  13. Pooled Library Amplifications

    Type
    Blog Post
    Published
    May 30, 2024, 1:30 p.m.
    .... Table 1 provides an overview of pooled library protocols you can use as a reference. Table 1: Examples... be more difficult to transform.    Figure 1: Factors to consider when creating a pooled library...etc. The DNA amount can be anywhere from 10 ng to 1 μg of DNA. It often correlates with the size of the...First, you’ll need to collect specific information about your library: the size of your library (How many...with Addgene. If you have any specific questions about designing your library amplification protocol, feel...

  14. Podcast: A Malawian Professor's Path to Biotech Research

    Type
    Blog Post
    Published
    May 24, 2016, 2:30 p.m.
    ... here! Podcast Breakdown (Time: Topic) 0:00-1:00 : Intro 1:01-3:48 : Kingdom Kwapata's background and ...more about Dr. Kwapata’s current work and thoughts on the need for more scientific collaboration across... connecting us with him. Learn more about our recent collaboration with Seeding Labs here. Special thanks...received an award from nonprofit and Addgene collaborator, Seeding Labs, for lab equipment that will help...Addgene Podcast.     Additional Resources Learn about Seeding Lab's Work with Lilongwe Univeristy of Agriculture...How You Can Contribute to the Addgene Blog Learn about Addgene Plasmid Donations for Rare Disease Research...

  15. Antibodies 101: Affinity Tags

    Type
    Blog Post
    Published
    Sept. 19, 2023, 1 p.m.
    ...118). Humana Press. https://doi.org/10.1385/1-59259-301-1:99 Resources on Addgene.org Addgene antibodies...and yes, we have an antibody for that!   Fig. 1 - Diagram of His-tagged protein purification work ...isolate a protein, there must be a special feature about that protein that no other protein in the expression...

  16. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    Published
    Oct. 12, 2023, 1:15 p.m.
    ...total dose between 1 x 1011 and 5 x 1011 vg per animal (i.e., 10 and 50 µL of vector at 1 x 1013 vg/mL titer... and 1 x 1012 vg*. Most systemic capsids are easy to produce in high titer, but higher doses (>1 x 1012...Systemic Capsids page to learn more about that collection. Table 1: Systemic capsid plasmids available...before using it in an application.     Figure 1: AAV toolkit for targeted gene delivery to the brain...decision tree for selecting a capsid, while Table 1 gives a brief overview of published descriptions of...AAV9. At lower viral titers than AAV-PHP.B (e.g., 1 x 1011 vg/mouse), AAV-PHP.eB can transduce a greater...Diverse Brain Cells. Annual Review of Neuroscience, 45(1), 447–469. https://doi.org/10.1146/annurev-neuro-111020...

  17. New Tools Enable CRISPRa for Neuroscience Applications

    Type
    Blog Post
    Published
    July 2, 2019, 12:51 p.m.
    ...by mating with Cre-expressing mice. Figure 1: (A) Schematic of the Cre-dependent SPH construct ... alpha (aCaMKII; excitatory neurons) and Synapsin-1 (pan-neuronal) promoters (Figure 1b), and sgRNAs can...ubiquitous expression of sgRNA(s) and mCherry (vector 1) with neuron-specific expression of dCas9-VPR (Figure...Neuron-specific expression is mediated by the synapsin 1 (SYN) promoter, which was superior in its ability ... to target individual genes can be relatively laborious because multiple plasmids/viruses are needed to...screening strategies Although the tools described above make CRISPRa more accessible to neuroscientists,...vitro and in vivo applications, the tools described above make CRISPRa in the brain relatively easy and accessible...

  18. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...2 (CRY2) and calcium and integrin-binding protein 1 (CIB1) proteins. The goal of both groups was to create... the Sata lab is composed of two fusion proteins: 1) the genomic anchor - an inactive, dead Cas9 protein...combination. The optimized LACE system consisted of: 1) CIBN-dCas9-CIBN, where CIBN is the N-terminal fragment.... crassa) (Kawano et al., 2015). Nicknamed paCas9-1 and consisting of the fusion proteins N713-pMag and...fold-induction of Cas9 activity (16.4-fold). This paCas9-1 light-inducible system was able to recognize the same...flCas9). When triggered by blue light (470nm), paCas9-1 induced indel mutations via NHEJ (frequency of 20.5%...background activity of the system by modifying paCas9-1 using nMagC714 instead of nMagHigh1-C714, generating...

  19. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...Cancer Center for teaching me about AAV production and purification! References 1. Aurnhammer, C., Haase, M...cells need three different plasmids to produce AAV: 1) the RepCap plasmid which provides the AAV replication...plasmid. This whole process takes ~3 hours to complete: 1 hours hands-on time and 2 hours for the qPCR run and... repeat sequences. Human gene therapy methods, 23 1, 18-28. PubMed PMID: 22428977. 2. Choi, V.W., Asokan...a workspace with plasmid, not that I would know about this… A no template control (NTC) should always ... variability. Check out this post to learn more about different ways to titer AAV. Do you have any AAV...

  20. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    Published
    April 7, 2015, 4:21 p.m.
    ...Transcriptional Programs with CRISPR RNA Scaffolds. Cell, 160(1), 339-350 (2015). PubMed. Find the Plasmids @Addgene...successes in metabolic engineering have been limited to the overexpression of various metabolites in Escherichia...species or metabolic pathways. A new study takes us one step closer to the vision of metabolic biofactories...cellular behaviors, such as differentiation or metabolism. Our attempts to manipulate these cellular behaviors...be host-independent, beyond the oft published metabolic engineering realm of S. cerevisiae and E. coli...control via scRNA design is readily apparent in metabolic engineering. The authors elegantly demonstrated...demonstrated the potential of this to control a metabolic network in S. cerevisiae by using three RNA programs ...
Showing: 141 - 160 of 590 results