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We narrowed to 662 results for: Clu

Showing: 201 - 240 of 662 results
  1. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ...If you choose this strategy, it’s important to include the proper protein expression elements (ribosome...entry clones available for many popular genes, including Hs.KRAS4a. Use our website to search for your ...Gateway Multisite plasmids available at Addgene, including the Frew Lab Multiple Lentiviral Expression Systems...
  2. Bioinformatics at Addgene

    Type
    Blog Post
    Published
    July 14, 2022, 1:15 p.m.
    ... bioinformatics pipelining In many use-cases, including ours at Addgene, the overall purpose of a data...workflow management system for scientific pipelines, including bioinformatics. We loved the parallels between...language.  The modern architecture of Nextflow included built-in support for containers, such as Docker...
  3. Four Base Editing Reporters to Monitor and Enrich Editing in Real-time

    Type
    Blog Post
    Published
    July 7, 2020, 1:15 p.m.
    ...proteins. Figure 4: Reporters in Gene On include a mScarlet reporter, luciferase reporter, and neomycin...translation of an array of different reporters including mScarlet-I, luciferase, antibiotic resistance ...can be used for an array of detectable proteins including fluorescent proteins, antibiotic resistance, and...
  4. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ...replication control that are not necessarily mutually exclusive. In the first, the replication initiation factor...Asymmetric plasmid loss occurs for several reasons, including one plasmid blocking replication of another and...incompatibility caused by random assortment of pure plasmid clusters. Molecular Microbiology 56:1430–1440 . https:/...
  5. Career Insights: Technical Support Specialist

    Type
    Blog Post
    Published
    Nov. 9, 2017, 2 p.m.
    ...rather late stages (i.e. postdoc level) and can include the pressure to publish in high-impact journals...for insights from my time in technical support including tips, advantages, and disadvantages of this overall...without being too commercial or “sales-y”. The work includes reviewing customer data sets, troubleshooting ...
  6. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    Published
    Sept. 13, 2018, 1:55 p.m.
    ...previously not associated with ricin regulation, including almost all genes involved in the production of...non-targeting guides and 6,750 safe-targeting guides were included in the library. Safe-targeting guides were designed...activity, Morgens et al drew some generalizable conclusions about off-target activity, demonstrate safe-targeting...
  7. The Challenges of Cell Culture

    Type
    Blog Post
    Published
    May 5, 2016, 2:30 p.m.
    ...the origin and propagation of the line, and can include assays for authentication and contamination) and...International Cell Line Authentication Committee includes a database listing all cross contaminated or misidentified...working for a variety of pharmaceutical companies including GSK, AstraZeneca-MedImmune, and Infors & Applikon...
  8. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    Published
    Feb. 10, 2015, 3:06 p.m.
    ...expression strains to accommodate high protein levels including:  ompT: Strains harboring this mutation are deficient...Rhamnose-tunable T7 RNAP expression alleviates inclusion body formation. Expression vector cannot have ...insoluble globs of misfolded protein are known as inclusion bodies, and can be recovered and purified using...
  9. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    Published
    Nov. 5, 2014, 3:41 p.m.
    ...The first time I heard about FRET during a journal club, my guitarist brain automatically thought about ...and several other pairs have been used since - including: mCerulean/mVenus, mCerulean/Amber, mCerulean/...Other issues that can affect FRET measurements include: the brightness of a fluorophore pair, donor:acceptor...
  10. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    Published
    April 3, 2014, 8:05 p.m.
    ...have created synthetic promoters, which typically include some combination of other promoter elements, and...promoters for eukaryotes and prokaryotes We have included two reference tables below listing some of the... simian vacuolating virus 40 Constitutive  May include an enhancer. PGK1 (human or mouse) General expression...
  11. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    Published
    Aug. 15, 2019, 12:30 p.m.
    ...chloramphenicol-resistant strains, we have also included versions with gentamicin-resistance (amplified...broad group of Gram-negative Enterobacteriaceae including in E. coli O157:H7, Shigella flexneri, Enterobacter...where conjugation may be difficult, we have also included versions of pTOX that encode one of two visible...
  12. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    Published
    Jan. 29, 2019, 2:27 p.m.
    ...qualitative and quantitative measurement of processes including RNA movement by tagging RNA sequences with an ...Kellenberger et al., 2013). Other variants of Spinach include Baby Spinach, a miniaturized version of Spinach...aptamer fluorophores, more are in development, including Carrot and Radish from the lab that developed ...
  13. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    Published
    March 28, 2024, 1:15 p.m.
    ...integrins are key to a diverse array of processes, including cell adhesion, migration, and signaling, as well...available through Addgene’s repository. The collection includes 26 unique antibodies that bind discrete subunits...domains. All bind specific integrin alpha subunits, including αL, αM and α5. IPI’s anti-integrin rAbs are unconjugated...
  14. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...have been used to purify a variety of peptides including antibiotic efflux pumps and ankyrin seven-repeat...constructs. Some applications of plasmids from this kit include the production of a suicide switch in cyanobacteria...PUF protein fusions reported in the literature include RNA detection, RNA cleavage, and translational ...
  15. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    Published
    Sept. 1, 2015, 2:30 p.m.
    ...resources needed to accomplish your science, and can include: equipment, reagents, animals, glassware, and even...the institution/funding source. Major equipment includes large centrifuges, sequencers and analyzers, and... as many of these tools as possible, this even includes clocks, timers, and phones.  As for reagents and...
  16. Exploring Applications of the Bioluminescent HiBiT Tag

    Type
    Blog Post
    Published
    Oct. 2, 2025, 1:15 p.m.
    ...fluorescence-based approach. These challenges can include background autofluorescence from the plates or ...researchers to track endogenous activity of EGFR, including dose-dependent response to EGF (Promega, 2025)...led to subtle changes in co-receptor dynamics, including NanoBRET assays to monitor the binding of fluorescently-labeled...
  17. Viral Vectors 101: AAV Serotypes and Tissue Tropism

    Type
    Blog Post
    Published
    Jan. 16, 2025, 2:15 p.m.
    ...AAVs to broadly spread throughout an organism, including difficult-to-target tissues like the central nervous...AAV pseudotyping. It has broad tissue tropism, including liver, muscle, lung, CNS, kidney, retinal, and...serotypes used to target the central nervous system, including neurons, AAV5 is generally the best choice for...
  18. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    Published
    June 27, 2023, 1:15 p.m.
    ... cascades (reviewed in Abreu & Levitz, 2020), including light-sensitive chimeric GPCRS (OptoXRs) (Tichy...experiments!  First, closely read the publication, including the supplemental data. You’re most likely to find...hardware, optogenetics tools, viruses, and more.  Conclusion   Optogenetic tools provide a powerful way to...
  19. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    Published
    May 18, 2018, 7:32 p.m.
    .... Other practices that fall into this category include performing experiments with too few replicates ...institute better experimental design practices including talking to statisticians when necessary and encouraging...Hines Minisymposium on Reproducibility Booklet - Including descriptions of many organizations promoting reproducibility...
  20. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ... variants that are less sensitive to ethanol, including the “middle” ADH1 promoter pADH1m, which maintains...Liqun Luo’s lab developed the Q system from a gene cluster in the fungus Neurospora crassa. The QUAS promoter...3 in a single modular vector for ease of use! Conclusion This post contains only a brief overview of some...
  21. Building Global Connections with the International Mentorship Program USA-EUROPE

    Type
    Blog Post
    Published
    Nov. 6, 2015, 3:30 p.m.
    ...mentioned above. The initial IMP cohort of 78 mentees included: 47 women (60.2%) 20 graduate students (25.6%...directly attributable to participation in the program included improvements in writing fellowships, giving oral...impressions of the IMP experience. Conference highlights included remarks by the Spanish Secretary of Research, ...
  22. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ...reproducibility of experiments and the validity of conclusions. Antibody engineering also benefits antibody-...antibody. (B) Examples of engineered antibodies, including chimerization, conjugation, and antibody fragments...There are different ways to achieve this goal, including error-prone PCR, degenerate primers, gene shuffling...
  23. Deep Dive: Statistical Tests (Comparisons)

    Type
    Blog Post
    Published
    March 7, 2023, 2:15 p.m.
    ...this time, it is! Factorial ANOVAs include two-way ANOVAs but can include many more than two independent ... Of course, a one-tailed test also works for exclusively less-than comparisons. Paired and unpaired t-tests...
  24. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

    Type
    Blog Post
    Published
    March 7, 2017, 3:30 p.m.
    ...Wild-type A549 cells do not express CAs9 and are included as a control (WT). Vinculin is a loading control... assay before, consider following their tips, including: Before digesting the DNA duplexes with Surveyor...PAGE instead of agarose to get sharper bands. Conclusion Overall, making a human cell line with a gene...
  25. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Sept. 24, 2020, 1:15 p.m.
    ...phenotype in order to conclude that the phenotype is due to an on-target effect. Conclusions Selection of gRNAs...modification of interest, it would be unwise to make conclusions on the basis of the activity of a single gRNA...
  26. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ..., 1998), this 15 amino acid peptide contains a cluster of four cysteines (CCXXCC, where X is any non-cysteine...with minimal cross-reactivity. Other strategies include using engineered ligases to attach a ligand to ...study your gene of interest with these tools. Conclusion Researchers and vendors continue to develop new...
  27. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    Published
    March 14, 2017, 2:30 p.m.
    ...on immune system Conventional cancer therapies include radiation therapy (owing to contributions from ...blocking. Other molecular targets under research include TIM-3, LAG-3, STAT-3, EGFR, CD20 and CD73 on specific... factors researchers are beginning to focus on include: Cell heterogeneity Tumors are composed of a wide...
  28. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    Published
    Oct. 24, 2017, 1:54 p.m.
    ...Science is about fighting scientific partisanship, including more scientists in our leadership, and raising... Anschutz Medical Campus.  He studies viruses including HIV and is interested in global health policy....Committee about climate change. All the scientists – including global warming skeptics – insisted that more data...
  29. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    Published
    July 19, 2016, 2:30 p.m.
    ...impediments. FRET has been used in many applications, including drug discovery by big pharma (i.e. HTRF and LanthaScreen...dynamic range of your assay. These experiments include producing a positive control construct where the... Women’s Hospital in Boston, MA. His interests include developing novel fluorescent tools for labeling...
  30. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ...2014, tools began moving away from designing exclusively for NGG PAM targets and began allowing for arbitrary... and return later or share them. Community exclusivity: Different communities develop software for their...software is organism agnostic. Most tools are exclusive to one or a subset of organisms. Examples: “organism...
  31. Deep Dive: qPCR

    Type
    Blog Post
    Published
    Sept. 29, 2022, 1:15 p.m.
    ...Scorpions Low Probe is on a hairpin structure included in the 5’ primer Yes Yes. Agarose gel  ...Low Reporter and quencher on hairpin structure included in primer Yes Yes Agarose gel Table...well-to-well normalization of signal. They are often included in commercial sets and most machines have a protocol...
  32. Technical Design of a Western Blot

    Type
    Blog Post
    Published
    Aug. 22, 2024, 1:15 p.m.
    ...find the original publication and ensure that it includes validation data relevant to your application —... makes the choice easy! Protein-based blockers include dry non-fat milk or serums like FBS, PBS, and BSA...typically spans 2–5 orders of magnitude, which includes a wide dynamic range for fluorescent proteins....
  33. CRISPR 101 eBook...en español

    Type
    Blog Post
    Published
    Jan. 18, 2024, 2:15 p.m.
    ...Addgene tiene una gran audiencia internacional, incluido trabajando con distribuidores de todo el mundo...  Addgene has a large international audience, including working with distributors across the world to ...
  34. Call for Guest Bloggers

    Type
    Blog Post
    Published
    March 2, 2016, 3 p.m.
    ... there! Completed blog posts are also great to include on CVs and Resumes. An Expanded Network - Addgene...many different people. Recent Guest Writers Have Included: Wenning Qin, Molecular biologist with Biogen ...
  35. Our New Antibody Mascot is....

    Type
    Blog Post
    Published
    Feb. 24, 2022, 2:15 p.m.
    ...hunts. In fact, they’ve been following a set of clues that has led them to their biggest discovery yet...name! Additionally, anyone whose submission is included in the final four will receive some rockin’ newly...
  36. Performing In Vivo CRISPR Screens Using the FITS Approach

    Type
    Blog Post
    Published
    May 2, 2024, 1:15 p.m.
    ...primarily been performed in activated T cells, precluding analyses of T cell differentiation beginning ...also reveal novel pathways. The FITS deposit also includes pLX_305_Ovalbumin, a plasmid that enables introduction...
Showing: 201 - 240 of 662 results