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  1. What's New in CRISPR - May 2019

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    Blog Post
    ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...Communications Biology Find the Cas9-PCV and PCV-Cas9 plasmids Selective curbing of unwanted RNA editing (SECURE...paper in mSphere Find the dCas9 and dCas9-Mxi1 plasmids If you have a new CRISPR tool you’ve recently...
  2. Save Time and Money by Making Your Own Competent Cells

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    Blog Post
    ...if you're transforming a plasmid with ampicillin resistance.  After a plasmid is introduced to bacteria... library or an especially low concentration of plasmid), you will benefit from purchasing competent cells...survivalTM, and Stbl3TM. How to transform your plasmid DNA If you decided to use commercial competent ...negative control (plate your cells without adding plasmid) to make sure you don’t have contamination.  ... Also conduct a positive control (test a plasmid that transforms well in other competent cells) to ensure...
  3. Antibodies 101: Single Chain Fragment Variables (scFvs)

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    Blog Post
    ...insect cells, they are most often expressed from a plasmid in bacteria (Ahmed et al., 2012). One challenge... to form. When expressed in the non-oxidizing cytoplasm of bacteria, scFvs accumulate in insoluble inclusion...expression in bacteria:  targeting to the oxidizing periplasm of bacteria to allow for proper disulfide bond...are redox mutants so they have a more oxidizing cytoplasm. expression in the presence of molecular chaperones...chaperones that help scFvs fold properly in the cytoplasm (Sandomenico et al., 2020). conversion to a cysteine...cysteine free format that’s easier to express in the cytoplasm of E. coli, although this is not possible for ...Resources on Addgene.org: Browse Addgene’s Antibody Plasmid Collection Find antibodies for neuroscience research...
  4. What's New in CRISPR - December 2019

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    Blog Post
    ...CRISPR plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ...Nucleic Acids Research Find the gRNA and packaging plasmids   Cytosine deaminase for RNA editing Feng Zhang...RESCUE. Read the paper in Science Find RESCUE plasmids If you have a new CRISPR tool you’ve recently...
  5. Seeing Red: Simple GFP Photoconversion

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    Blog Post
    ... Find plasmids from this publication at Addgene.   Addgene’s Fluorescent Protein Plasmids and Resources...Menassa's labs made the accidental discovery that laser treatment can photoconvert GFP from green to RED...Photoconverted GFP spreads through the cytosol via cytoplasmic strands. Image from Sattarzadeh et al., Sci Rep... Methods. 2009 Feb 6(2):131-3.  PubMed. Find plasmids from this publication at Addgene. Subach OM,...Resources Relevant Blog Posts Plasmids 101: Green Fluorescent Protein Which Fluorescent Protein Should I...
  6. Tag Your Favorite Yeast Genes with Ease

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    Blog Post
    ...Addgene distributes several ready-to-use, modular plasmids, combining fluorescent tags, epitope tags, protease...without the artifacts sometimes associated with plasmid-based overexpression. Tim Formosa, at the University...). Additionally, Dr. Formosa has deposited six plasmids with a multiple cloning site in place of the epitope...Jürg Bähler have deposited a large collection of plasmids for genome modification in yeast developed by ...Bähler et al.(2) describe a modular collection of plasmids for a wide variety of genome modifications in ...Longtine et al.(3) describe a complimentary set of plasmids for use in S. cerevisiae, with the additional ...
  7. Addgene is Expanding Our Viral Vector Service!

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    Blog Post
    ...will be able to request an AAV composed of an AAV plasmid in the Addgene repository and their choice of five... more.  What will be available?  Over 3000 AAV plasmids in the Addgene repository will be available for...Packaged on Request service. A small subset of AAV plasmids will have technical or legal restrictions that...both our depositors and requestors.  Requesting Plasmids available for Packaged on Request consideration...recommend you check the original paper of your AAV plasmid of choice for more information on its performance...performance.   Titers We expect titers for plasmids packaged in AAV1, AAV5, AAV8, and AAV Retrograde to be 1x1013...
  8. 2023 and 2024: Reflections and Looking Ahead

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    ...18,359 viral items, and 166,247 plasmids. We welcomed 18,899 plasmids, deposited from 1,106 labs in 504...to once again reflect on our achievements in the last year and share the exciting things to come in the...factor library, in lentiviral vectors. At 3500 plasmids, this represents the largest single deposit in...September, we released the fourth edition of our Plasmids 101 eBook. This updated version of one of our ...to announce that we are now able to ship rabies plasmids in our repository to international requestors....
  9. SunTag and Fluorescent Imaging

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    Blog Post
    ...scFV antibody, which is expressed from a separate plasmid. This system amplifies the intensity of the fluorescent...SunTag for single molecule imaging, finding that plasma membrane-targeted CAAX-SunTag was 18-fold brighter...The high SunTag signal allowed them to cut their laser power by over 80% and still obtain a higher signal-to-noise...imaging deep inside the cell, in the nucleus and cytoplasm. Again, they found that SunTag marked single molecules...basis. However, since many of Addgene’s SunTag plasmids have coveted “blue flames,” it’s clear that the...Fluorescent Protein Guide Page Find Luciferase Plasmids ...
  10. FastCloning: A Newer, Simpler Cloning Technique

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    Blog Post
    ... Blog Plasmid Cloning by PCR Perform Site Directed Mutagenesis by PCR Catch up on Your Plasmid Background...appropriately sized product, purify and sequence the plasmid to confirm no mutations were introduced during ...Background with our Plasmids 101 Posts Resources on Addgene.org Find Empty Vectors for Your Research Find...Browse Our Special Collections for Plasmids from Your Field ... plasmid cloning...
  11. Addgene @ Keystone: Thoughts on Precision Genome Engineering and Synbio

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    ...Resources & Plasmids Plan Your CRISPR Experiment Synthetic Biology Resources & Plasmids  ...It's been about 14 years since I last attended a Keystone Meeting – far too long. Holding these meetings...challenging target genomes, such as the malaria-causing Plasmodium falciparum. Throughout these talks, I oscillated...poster were impressed to see how the numbers of plasmid genome engineering tools – both deposited and distributed...expressed gratitude for the role Addgene plays in plasmid sharing to those who were anxious to hear about...
  12. Choosing Your Perfect Empty Backbone

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    Blog Post
    ...you find what you need.   More Plasmid Resources from Addgene: Plasmids 101 blog series Addgene's Molecular...need. You will also have to make sure that your plasmid has been incorporated into the host organism, usually...open reading frame (ORF) of interest –  try pRS plasmid shuttle vectors. You may prefer the more traditional...details and guidance for choosing your perfect plasmid backbone. Or just ask –  leave a message in the...Molecular Cloning Guide & Other Plasmid Protocols List of common epitope tags ...
  13. CRISPR/Cas9 FAQs Answered!

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    ...articles (3/12/2014). With so many options for CRISPR plasmid tools and numerous experimental design decisions...genome editing using the Zhang lab's CRISPR/Cas plasmids. Designing your CRISPR genome editing experiment...with expression, though it is possible for the plasmid to still express without the G. Because the G is...marker to select transfected cells (for example, plasmid with a puromycin resistance cassette, such as PX459...related to the most frequently requested CRISPR plasmids at Addgene Find protocols and gRNA design tools...by a variety of labs and optimized for specific plasmids Links to different software to help you identify...
  14. New and Upcoming Viral Vectors - Spring 2019

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    ...indicators Plasmid Serotype Name 119036  AAV1  pAAV-hsyn-flex-Voltron-ST Chemogenetics Plasmid Serotype...dimmer than iGABASnFR, and accumulates in the endoplasmic reticulum, but exhibits larger fluorescent responses...serotype you’d like to be notified about. Controls Plasmid Serotype Name 114472  AAV5, AAV8  pAAV-hSyn-mCherry...channels for neuronal manipulation Recombinases Plasmid Serotype Name 50363  AAV5  AAV phSyn1(S)-DreO-bGHpA...55637  AAV1  pAAV-EF1a-Flpo Calcium sensors Plasmid Serotype Name 104496  AAV1  GP-AAV-CAG-FLEX-...
  15. Fluorescent Biosensors for Measuring Autophagic Flux

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    Blog Post
    ...Greek for “self-eating”) is a process by which cytoplasmic material, including organelles, are targeted ... untargeted Rosella remains in the neutral pH cytoplasm where it emits red and green fluorescence. Following...clear distinction between vacuolar/lysosomal and cytoplasmic Rosella. When fused with a mitochondria-targeting...decrease in red puncta. Find the mRFP-GFP-LC3 plasmid at Addgene! GFP-LC3-RFP-LC3∆G: A fluorescent probe... autophagic flux.   Find the GFP-LC3-RFP-LC3∆G plasmid at Addgene! References Klionsky, Daniel J., Ana... Resources on Addgene.org Fluorescent protein plasmids and resources Fluorescent protein guide: Biosensors...
  16. Antibody Neutralization Response Against Pseudoviruses Expressing SARS-CoV-2 Spike Protein Variants

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    ...Addgene.org Find plasmids in Addgene's COVID-19 collection Find SARS-COV-2 pseudotype virus plasmids from Addgene...variants. “We created a series of spike expressing plasmids which encode spikes found on all of the different...response. The Balazs lab was quick to deposit their plasmids at Addgene to accelerate ongoing COVID-19 research...research. “I hope that by sharing the plasmids other scientists would be able to expand upon the work and...SARS-CoV-2 501Y.V2 from neutralization by convalescent plasma. Nature 593:142–146. https://doi.org/10.1038/s41586...
  17. Viral Vectors 101: What is a Virus (and a Viral Vector)?

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    Blog Post
    ...In fact, an entire classification scheme, known as the Baltimore replication classes, has been developed...replicate (Figure 2). Figure 2: Baltimore replication classes. Image credit: Louten, 2016 Viruses with DNA genomes... an RNA or dsDNA intermediary, depending on the class of virus. RNA genomes can be transcribed into mRNA... of RNA or DNA intermediaries, depending on the class of virus. From one, come many After a virion infects...the required proteins are packaged in separate plasmids and expressed via cells cultured with the vectors...
  18. Comparing Cas9 to NgAgo: Can the Argonautes Best CRISPR?

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    ...for short. Addgene has already distributed this plasmid all over the world, and the question on everyone...identified NgAgo and showed that it can cleave plasmid and genomic DNA in a variety of mammalian cell ...homology-directed repair when a template is supplied. Find Plasmids from the NgAgo Publication at Addgene Cas9 and... contrast, RNA guides must be expressed from a plasmid or in vitro transcribed, and changes in gRNA secondary.... Epub 2016 May 2. PubMed PMID: 27136078. Find plasmids from this publication at Addgene. 2. Swarts, Daan...24531762. PubMed Central PMCID: PMC4697943. Find plasmids from this publication at Addgene. 3. Swarts, ...
  19. Donations from Addgene to Yield Answers for Rare Disease Researchers

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    ...studying four of those rare diseases will receive plasmids from Addgene worth a total of $5000.  Lowe Syndrome...involving the primary cilia. They’ll put a variety of plasmids to work to explore the effect of various OCRL1...there. This will help us acquire a lot of those plasmids so that we can try many different things in parallel..., will use GFP-ATP1A3, FLAG-ATP1A3, and ATP1B3 plasmids to explore the functional differences among mutations...experienced by AHC patients. Waardenburg Syndrome Last but not least, Meng-Shin Shiao (right) of Mahidol...mutations. More specifically, they’ve proposed to use plasmids with modified nickase Cas9 protein in order to...
  20. RNA Interference in Plant Biology: New Tools for an Old Favorite

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    ...for mammalian RNAi Browse all plasmids for RNAi Check out Addgene's plasmids and resources for plant biology...possible in plants outside of limited, single cell protoplast analysis. Instead, microscopic plants must be...harvested instead of microscopic isolation. The plasmids required to conduct an APT-based RNAi experiment... target sequence, as well as essential control plasmids. Many thanks to our guest blogger Robert Orr... patens Reveals a Dominant Role of Augmin in Phragmoplast Microtubule Generation. Plant Cell 24:1478–1493...Steinmetz LM, Drewes G, Huber W (2019) Biological plasticity rescues target activity in CRISPR knock outs....
Showing: 361 - 380 of 1040 results