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We narrowed to 906 results for: plasmid

Showing: 281 - 300 of 906 results
  1. Lentiviral Vector Uses and Overview

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    Blog Post
    ...consisted of three plasmids: the packaging, envelope, and transfer plasmids. The packaging plasmid carried a mutated... packaging and envelope plasmids are two of Addgene’s most requested plasmids! Lentiviral particles with...Many CRISPR plasmids are designed for lentiviral use, including Addgene’s top requested plasmid in 2015: ...itself due to a few missing proteins. The envelope plasmid contained a viral envelope to dictate the tropism...the vector could infect. Finally, the transfer plasmid encoded the desired transgene flanked by HIV-1 ...genome integration. After co-transfection of these plasmids, 293T cells released transgene-containing lentiviral...recombination between the transfer and packaging plasmids does exist. To further reduce this possibility...
  2. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

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    ...encoded on separate plasmids and are co-transfected into cells alongside a plasmid encoding the minigenome...four viral genes in the same plasmid (as opposed to four separate plasmids), there are a few reasons arguing...separate (and thus smaller) plasmids. Finally, having four separate plasmids allows researchers to partially... 2 μg minigenome plasmid per well (in a 6 well plate format). However, since plasmid quality and transfection...Minigenome System). From a more technical standpoint, a plasmid with all four genes and necessary control elements...relatively large. Cloning the viral genes in this plasmid would be more difficult compared to if each gene...Technical tips It is important that all of these plasmids (those containing NP, VP35, VP30, L, and the minigenome...
  3. Tips and Tricks for Using Golden Gate Modular Cloning (MoClo)

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    ...blog Plasmids 101: Modular Cloning Plasmids 101: Modular Cloning Applications and Kits Plasmids 101: ...through your plasmid stocks. To avoid cross-contamination, we recommend retrieving plasmids from your original...Calculation for the plasmid volume for MoClo experiments. The term ‘insert’ refers to plasmids carrying each...will find some useful tips to help you make your plasmid construction with MoClo a walk in the park.  Before...promoter, a coding sequence, a terminator, or other plasmid part? Do you want to fuse your protein to any tags...restriction enzymes, and it will create the resulting plasmid map and identify any mismatches that are preventing...Level 0, Level 1, and Level 2 assemblies using the plasmid sequence files provided with every Addgene MoClo...
  4. Our Most Popular Blog Posts from 2019

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    ...feature some recently deposited plasmids every quarter. The “hot plasmids” from last March were quite popular...behalf of scientists. 9. Plasmids 101: Positive and Negative Selection for Plasmid Cloning by Jennifer Tsang...past year: CRISPR, optogenetics, chemogenetics, plasmids, fluorescent proteins, careers, and more. These...s the top 10 blog posts from the year. 10. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent... about mNeonGreen, mTFP1, and mWasabi and find plasmids containing these fluorescent proteins at Addgene..., and all possible base-to-base changes.   1. Plasmids 101: Transformation, Transduction, Bacterial Conjugation... Read other Addgene news Find the most recent plasmid blog posts Find the most recent CRISPR blog posts...
  5. What's New in CRISPR - November 2021

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    ...CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids Topics: CRISPR, Other CRISPR... where we highlight a few of the newest CRISPR plasmids available at Addgene. If you want to read more...will cover: Miniature CRISPR-Cas systems SEND plasmids Prime editing improvements Miniature CRISPR-Cas...Read the paper in Molecular Cell Find the CasMINI plasmids Efficient CRISPR editing with a hypercompact ...paper in Nature Biotechnology Find the Cas12f-GE plasmids Programmed genome editing by a miniature CRISPR-Cas12f...cells using various delivery methods, including plasmid, ribonucleoprotein, and AAV.  Read the paper in... in Nature Chemical Biology Find the AsCas12f1 plasmids   Selective endogenous encapsidation for cellular...
  6. The Michael Davidson Collection: One-Stop Shop for Fluorescent Proteins

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    ...Molecular Expressions collection including some 3,300 plasmids along with image galleries and educational resources...resources to go with them. This collection of plasmids is available in an easily searchable format on Addgene...Fluorescent Protein Collection webpage. These plasmids are divided into the following categories: Over...list of cell markers all tagged with mEmerald. Plasmids to monitor protein-protein interactions through...Specialty constructs for biosensing. Over 300 plasmid backbones spanning a rainbow of fluorescent proteins...proposition, explained Michelle Baird, who has created plasmids as a technician in the Davidson lab for the last...Proteins - Making the Right Connection.  mEmerald plasmids and many more! Baird has a helpful tip for anyone...
  7. Addgene: The First Twenty Years

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    ...frustrated by the difficulty of accessing published plasmids from other scientists. She, Kenneth Fan, and Benjie...nonprofit that would facilitate the sharing of plasmids between scientists. The service would allow people...Addgene before we were a “labhold” name. Our first plasmid request came on September 8, 2004, for pcDNA-p160MBP... our first major repository milestone — 10,000 plasmids deposited and available — and nearly seven before...possible for scientists to both deposit and request plasmids, was a major focus of our first decade. We did...work In March 2015, Addgene reached the 500,000 plasmids distributed milestone! We were thrilled to see...also made us think of all the depositors whose plasmids we were entrusted with. So in June 2016, we launched...
  8. Addgene Receives NIH BRAIN Initiative Grant to Create Open-Access Recombinant Antibody Resource

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    ...Would you buy and use a plasmid if it didn’t include any plasmid sequence data? Of course not. Unfortunately...depositing your plasmids encoding antibodies, ScFvs, and nanobodies to Addgene! The plasmids will be made...Plückthun, 2015a, b). Recombinant antibodies are plasmid-based and offer numerous advantages, including ...antibodies that you have come to expect from our plasmid and viral services. The first step will be working...working with the community to build a resource of plasmids encoding recombinant antibodies as well as other...through our usual service (see our current antibody plasmid collection) and we plan to introduce affinity reagents...through distributions of research materials, such as plasmids and viral vectors. However, it typically takes...
  9. Delivery Methods for Generating iPSCs

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    ...into cells as a donor plasmid containing the transposon, along with a helper plasmid that expresses the ...reprogramming factors. Non-replicating Plasmids: Generating iPSCs with plasmid-based expression requires serial... generating iPSCs by plasmid transfection where 2 of 11 clones tested had plasmid integration. Another...the dose of plasmid the cells receive over the whole reprogramming period and the plasmid will get diluted...larger plasmids have lower rates of transfection. Minicircles: Minicircles are like mini-plasmids. They...reflection of the large size of the plasmid or silencing of the plasmid by DNA methylation. Another downside...choose a strategy suited to their research. Find Plasmids for Stem Cell Research Delivery Method Mechanism...
  10. Fluorescent Tagging of Endogenous Genes with SapTrap

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    ...as a universal donor plasmid. The CRISPaint toolkit includes several donor plasmids for protein tagging...The Jorgensen Lab recently developed a modular plasmid assembly toolkit called SapTrap to improve CRISPR...repair template. SapTrap includes a prebuilt donor plasmid library containing several types of fluorescent...tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable marker, and...to be released (Fig. 1, Step 2-3). Since donor plasmids of the same type will produce the same unique ...different combinations of connector and tag donor plasmids from the library can be used to generate functionally... of the targeting vector and a Cas9 expression plasmid will insert the desired genetic tag and marker ...
  11. Why and how to start studying chromatin (with Addgene's help)

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    ...Chromatin-related genes with plasmids available from Addgene The links below pull up lists of plasmids containing the...containing lists of plasmids from the indicated publications. You can request all of these plasmids directly from...consolidate every conceivable chromatin-related plasmid in a collection that grows on a daily basis, the... does not have it. That said, if you know of a plasmid that we definitely don’t have that you really want...study chromatin and want to start sharing your plasmids through Addgene, don’t hesitate to start the process...these pages to learn when Addgene receives new plasmids containing these genes. As with the PIs above,... In-exhaustive Chromatin-related genes with plasmids on Addgene.org AGO1 BRCA1 CREBBP CUL1 H2AFX...
  12. Thanks to Addgene Depositors, We’re Now Sharing over 100,000 Reagents!

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    ...100,000 different plasmids available from the repository (currently at 98,276 plasmids as of April 8, 2021...re now sharing over 100,000 reagents including plasmids, ready-to-use viral preps, pooled libraries, kits... 2021) 1.5 million plasmids shared in total (currently at 1,484,507 as of April 8, 2021) 5,000 depositing...addgene.org homepage! You can track the number of plasmids right below the search bar and more stats further...
  13. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

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    ...of the second plasmid can be done in one day in one assembly reaction. This second plasmid saves you a ...alerts when plasmids become available.  We’ve also had some requests for variations on the plasmids we’ve developed...and Myers for speaking with us! Find the Plasmids: Plasmids for protein tagging with CRISPR Additional... available at Addgene. For more details on the plasmids that are currently available along with detailed...system, what we are doing is adding in a second plasmid to target an epitope tag onto the transcription...second vector is a homology directed repair donor plasmid with homology arms and a selection marker. If things... things work correctly, the second plasmid inserts a small epitope tag called FLAG at the end of the transcription...
  14. Production of Virus in Insect Versus Mammalian Cells

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    ...three plasmids — a transfer plasmid containing your gene of interest plus two packaging plasmids (three...baculovirus plasmid. Production of baculovirus requires only two plasmids — your transfer plasmid and the ...three packaging plasmids for 3rd generation lentivirus production). The packaging plasmids are widely available...to worry about cloning your transfer plasmid. The transfer plasmids have different packaging capacities...called a bacmid. Like AAV and lentiviral packaging plasmids, bacmids are readily available, so the amount ...insect and mammalian systems. Baculovirus transfer plasmids have a much larger packaging capacity — up to ...can produce AAV and lentivirus if needed # of plasmids Three or four Two Packaging limit ~4.7 kb (AAV...
  15. Simplify Cloning with in vivo Assembly

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    ...blog posts on plasmid cloning Resources on Addgene.org Read our protocols for plasmid cloning Find our... from the MRC Laboratory of Molecular Biology. Plasmid cloning is an essential part of any molecular biology... techniques involve the assembly of a circular plasmid in vitro, before transforming it into E. coli for... propagation. However, while not widely known, plasmid assembly can be achieved in vivo using a bacterial...can be encoded in the primer sequences. Multiple plasmids can be included in a single PCR, for example for...linear fragments are transformed into E. coli and plasmid assembly (re-circularization) occurs in vivo. We...Figure 2), IVA cloning can be used to perform any plasmid modification, from insertions, deletions, and point...
  16. CRISPR Antimicrobials

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    ...genome is lethal. If this DSB occurs on a plasmid, the plasmid will be eliminated from the bacterium, which...sequence-specific, antimicrobial, plasmid-based, CRISPR systems (Find the Citorik Plasmids here). In both cases, ...genes in E. coli using plasmid and phagemid delivery systems. Phagemids are plasmids containing a phage origin...sequence results in cell death. Plasmid targeting may result in plasmid loss and antibiotic resensitization...this resistance gene being encoded by a high-copy plasmid. In the case of the genomically encoded quinolone...RNAs (crRNAs) targeting either genomic (blue) or plasmid-based sequences (red). Treating a mixed population...specifically targets bacteria with the given genomic or plasmid sequence from a mixed population without affecting...
  17. Sonic Hedgehog? Sleeping Beauty? Learn About the Genes Behind Addgene’s Conference Room Names

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    ... 1998). Interested in plasmids that contain the groucho gene? Check out plasmids deposited by the Shivdasani... several plasmids that contain SHH, you can find them all here! The most popular SHH plasmid however was... to see for yourself. We have one plasmid in our repository, plasmid 39624, that contains cmr.   tinman...website for plasmids that contain tinman or the mammalian homolog Nkx2.5. We also have one plasmid, Addgene...Drosophila Read our Plasmids 101 blog series Resources on Addgene.org Find plasmids for your research ...the stories behind the names. We also have many plasmids in our repository that you can use to study these... Beauty (Ivics et al., 1997). We have a lot of plasmids that contain components of the SB transposon system...
  18. What's New in CRISPR - March 2020

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    ...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 ... Bioengineering Find the optogenetic repressor plasmids Cytosine base editors with minimized off-target...paper in Nature Biotechnology Find the base editor plasmids CRISPRi in Caulobacter crescentus Figure...once. Read the paper in mBio Find the CRISPRi plasmids A multiplexed gRNA piggyBac transposon system... Read the paper in Scientific Reports Find the plasmids Enhanced CRISPR-based DNA demethylation ...paper in Nature Communications Find Casilio-ME plasmids If you have a new CRISPR tool you’ve recently...
  19. pSiM24: Simplifying Plant Genetic Engineering

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    ...stability of modified Ti plasmids during plant infection, as well as plasmid yield during preparation ...GreenGate Plasmids Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More Plasmids 101: Origin...Agrobacterium carries a “tumor-inducing” or Ti plasmid, which allows it to transfer genetic material into...in two species: Agrobacterium and E. coli. Like plasmids used in other systems, binary vectors are cloned...It’s a lot of information to fit into a single plasmid, so most first-generation binary vectors are quite...pSiM24 are suitable for many applications, the plasmid can also be customized due to its modular structure...Addgene Check out Addgene’s plant vectors! Find the plasmids from this paper at Addgene. Other relevant blog...
  20. Reagent Repositories Are Speeding up Science During the Pandemic

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    ...these plasmids from Addgene. This publication then resulted in the development of a new plasmid, pCMV14...continue having access to plasmids during the COVID-19 pandemic. Over 7,000 plasmids for COVID-19 research...work to share plasmids to all scientists Resources on Addgene.org Find COVID-19 plasmids at Addgene Browse...Biological repositories that distribute mouse strains, plasmids, cell lines, and much more have been critical ...science is truly a global endeavor. Case study 2: Plasmids Another example of reagents that have broad applications...requested from Addgene. Figure 2: Total COVID-19 plasmids requested from Addgene from March 23, 2020 to ...to July 27, 2020. Browse Addgene's COVID-19 plasmids and resources! Case study 3: Mouse strains Reagents...
Showing: 281 - 300 of 906 results