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We narrowed to 1,154 results for: Gene

Showing: 521 - 540 of 1154 results
  1. A Practical Approach to Choosing the B(right)est Fluorescent Protein

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    ...observed in mammalian cells is to tag an endogenous gene. By imaging cells (or tissues) that produce an endogenous...fluorescent proteins or using endogenous tagged genes) can be used to verify performance under different... develops genetically encoded FRET based biosensors.     Additional Resources on the Addgene Blog Which...mVenus as a reference protein is available from Addgene. Another way to dodge cellular variation observed...Amsterdam). He develops, characterizes and uses genetically encoded fluorescent probes. You can follow him... Protein Biosensors Additional Resources on Addgene.org Find Empty Backbones with Fluorescent Tags Find...
  2. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

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    ...ion-pump encoding genes HCN1 KCNJ2 KCNJ13 GABRG1 KCNIP2 KCNQ1 Examples of some genes encoding gap junction...resources on the Addgene blog: Addgene Optogenetics guide Primer on Optogenetics blog series Addgene Biosensors... light-based genetic tools for studying bioelectricity in vivo. Here are some optogenetic and GEVI tools... Aurora and Phobos optogenetic tools - A collection of bi-stable anion optogenetic channels which can ... al. "Use of genetically encoded, light-gated ion translocators to control tumorigenesis." Oncotarget ...ion-channels and pumps in developmental biology, regeneration studies, and cancer biology. I was first introduced...affect patterning and in some cases even override genetically encoded patterning. Based upon trends in studies...
  3. Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins

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    ...compatible approach to simultaneously clone two genes-of-interest (GOI) into two independent expression...from a different plasmid, which may lead to unequal gene dosage and high variability of protein coexpression...    Listen to this episode of Hot Plasmids! Optogenetic control of CRISPR-Cas9 by CASANOVA Article contributed...type II CRISPR systems including the popular S. pyogenes Cas9 (Rauch et al., 2017, Hynes et al., 2017)....biological tool, Niopek and colleagues turned to optogenetics. Through the use of light-sensitive protein ... “CRISPR-Cas9 activity switching via a novel optogenetic variant of AcrIIA4.” CASANOVA responds to blue...What’s great about CASANOVA? It works with the S. pyogenes Cas9, dCas9-effector fusions, and xCas9, and requires...
  4. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

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    ...enzyme cloning uses short sticky ends to insert genes into plasmid backbones, base pairing between these...Schematic of SLIC. To start the SLIC cloning process, a gene of interest is PCR amplified to add 5′ and 3′ homology... LIC received an important update, courtesy of Addgene depositor Stephen Elledge. His new method, named...flexible. For one thing, those 5′ overhangs can be generated in several ways. One option, imprecise T4 digestion...work directly on PCR products, with 5′ overhangs generated either by annealing a mixture of products or from...regions from the target vector. 5′ overhangs can be generated by T4 polymerase (left branch); by annealing two...concentrations of insert to succeed. 5′ overhangs are generated in the linearized vector by T4 digestion; then...
  5. All in a Twist: dsRNA

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    ...dissociate when gene transcription is complete. However, transcription of thousands of genes is constantly...store their genetic information. All of these viruses have one thing in common – they can generate dsRNA as... Here, we will cover how these structures are generated, why it’s important for cells to sense their formation...inherently double stranded, while ssRNA viruses can generate dsRNA intermediates as part of the viral replication...as long/short interspersed nuclear elements can generate dsRNA by bidirectional transcription or as inverted...inverted repeats. These elements are almost always epigenetically silenced, but dysregulation of these systems... ionizing radiation, can also result in dsRNA generation. While these molecules are clearly associated...
  6. Hot Plasmids: February 2026

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    ...including how the viral genes are arranged and regulated within the plasmid backbone.  Addgene designed and tested...format, and did not alter cell viability or global gene expression in tests. It's about Time we had a tool...the human and mouse genomes and feature additional gene targets for each species. Second, they use updated...pAAV-hSyn-DIO-hM3D(Gq)-mCherry (Addgene #44361) and pAAV-hSyn-DIO-mCherry (Addgene #50459) were packaged into...into AAV using Old (Addgene #104964) or New (Addgene #232922) pAAV2/5. Average + standard deviation from...Riedel T, Moshinsky D, 2025. Addgene Report, https://doi.org/10.57733/addgene.3waajp.  These tools ...about: Highly photostable mScarlet3 variants Addgene's own AAV2 and AAV5 packaging plasmids TimeVault...
  7. Hot Plasmids: Summer 2024

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    ...editing, this epigenetic strategy doesn’t induce DNA damage or permanently alter a gene product; it simply...on Prime-editing-Assisted Site-Specific Integrase Gene Editing (PASSIGE), their previously-reported technique...). Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases...optimizations for prime editing CHARM: A compact epigenetic silencer Recombinant antibodies for marking astrocytes...magnetic beads for scarce macromolecules in heterogeneous samples. bioRxiv 2024.01.21.576499; doi: https...loss. Ci Ji Lim’s lab found that adding Late Embryogenesis Abundant (LEA) proteins, small proteins that...with ribonucleoprotein cargo. eVLPs contain no genetic material, which ensures the editor will only be...
  8. Deaminet 2026: Breakthroughs in Base Editing, Deaminase Biology, and Therapeutic Translation

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    ...edits by their predicted effects on chromatin and gene regulation. These results highlight that Cas9 binding...Conceptually, PERT reframes nonsense mutations from a gene-specific problem to a stop codon–class problem, ...existing tools, accelerating progress across the gene editing field, from fundamental mechanistic insights...Kumar, S., & Mali, P. (2025). Regulatable in vivo gene expression via adaptamers. bioRxiv. https://doi.... deposition and distribution data at Addgene. Since 2012, Addgene has distributed tens of thousands of...2025). APOBEC3 mutagenesis drives therapy resistance in breast cancer. Nature Genetics, 57(6), 1452–1462...CRISPR Treatment Resources on addgene.org CRISPR Plasmids: Addgene's collection of CRISPR plasmids CRISPR...
  9. The 12 Days of CRISPR

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    ...cells🎵 On the 3rd day of CRISPR, Addgene gave to me: dCas9-based gene editing for cleavage-free genomic... of CRISPR, Addgene gave to me: Cas-E-le-ven! (Cas11)🎵 On the 10th day of CRISPR, Addgene gave to me:... day of CRISPR, Addgene gave to me: RADAR from Gao🎵On the 8th day of CRISPR, Addgene gave to me: Functional...CRISPR, Addgene gave to me: updated CRISPR101 blog posts!🎵 On the 4th day of CRISPR, Addgene gave to ...let's get started!  On the 12th day of CRISPR, Addgene gave to me: Noninvasive assessment of gut function...Functional Genetic Variants Revealed by Massively Parallel Precise Genome Editing (CRISPEY!)🎵 On the 7th...7th day of CRISPR, Addgene gave to me: Drag-and-drop genome insertion, without DNA cleavage, with CRISPR-directed...
  10. GPCRs: How Do They Work and How Do We Study Them?

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    ...that there are approximately 950 different human genes encoding GPCRs (Takeda et al., 2002). G proteins...2002) Identification of G protein-coupled receptor genes from the human genome sequence. FEBS Letters 520... on Addgene.org Check out Addgene's chemogenetics guide Find chemogenetics plasmids for your research...cell type. Chemogenetics is similar to optogenetics but instead of light, these genetically modified receptors...neurons and specific behaviors. Chemogenetics uses genetically engineered receptors to interact with small...are ideal candidates for use in chemogenetics. To create chemogenetics receptors, GPCRs were first mutated... about chemogenetics and a concise table of DREADDS and their activity in neurons on Addgene’s chemogenetics...
  11. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

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    ...Alkaline phosphatase activity: In yeast, the PHO8 gene encodes a vacuolar alkaline phosphatase. Normally...GFP-tagged Atg8p or LC3: ATG8 is part of a group of genes that affect autophagy (ATG) in yeast. Atg8p (“p”...fluorescent biosensor that was recently deposited with Addgene by Dr. Mark Prescott. This system was developed...via the secretory pathway, and then cleaved to generate an active form of the protein. To monitor autophagy...Pho8Δ60 in the vacuole, where it is cleaved to generate an active enzyme. Pho8 phosphatase activity or.... cytosol, mitochondria), rather than tracking generic autophagy markers. It’s particularly useful for...mitochondria-targeted variants are available from Addgene. References 1. Rosado, C., Mijaljica, D., Hatzinisiriou...
  12. The Codon Guide to Synthetic Biology

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    ...studies for various categories, including CRISPR gene-editing, the foundations of synthetic biology, DNA... the editor of Asimov Press and is designing a genetic engineering curriculum at MIT. He also writes Codon...
  13. Sequencing Options for CRISPR Genotyping

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    ...triggered by engineered nucleases." G3: Genes| Genomes| Genetics 5.3 (2015): 407-415. PubMed PMID: 25566793...off-target mutation and not an edit in the target gene. The validation process, also known as CRISPR genotyping.... 12. Osborn, Mark J., et al. "Evaluation of TCR gene editing achieved by TALENs, CRISPR/Cas9, and megaTAL...as the field seeks to generate reproducible, quality data on the role of genetic networks in biological... the Addgene Blog Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate Mouse... CRISPR experiments, many are turning to next-generation sequencing options over older assays. Biased... therapy. Low frequency off-target effects may generate irreproducible data in a research setting, but...
  14. Making CRISPR Plasmids Using Fragmid

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    ...for stable fly cell lines; Hygromycin resistance gene; for genome integration by spontaneous insertion...own Fragmid components! Ensure your backbone and genes contain only the Bbsl cut sites needed for the Fragmid...plasmids on the Addgene website. Step 4: Naming your assembled plasmid and generating the vector file....2024.100519 More resources from Addgene Plasmids 101: Modular Cloning Addgene's CRISPR Guide Plasmids 101: ...been looking for just the right CRISPR vectors on Addgene and found instead ones that were… pretty close,...select the components they want for each module, generate the vector file, and quickly clone their vector...Fragmid components are available for request on the Addgene website, both as individual plasmids and as the...
  15. Tips for Using BLAST to Verify Plasmids

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    ...you attempt to verify the starting methionine of a gene but the blastx results start the alignment at a ...unlikely to have an exact entry for your favorite gene fused to an epitope tag or fusion protein. If your... our Snapgene-powered plasmid maps. Resources on Addgene.org Sequence Analysis of your Addgene Plasmid...This post was updated on Dec 4, 2017. At Addgene, we continually use the Basic Local Alignment Search...process has changed with the introduction of next generation sequencing!  Choosing a BLAST program Of the...databases, and elements of the BLAST search pages. At Addgene, we use blastn to identify any discrepancies in... viewing blastx results. When using blastx at Addgene, we use the default “Non-redundant protein sequences...
  16. 8 Great Depositor Research Stories

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    ...tool for large inserts.  DAP arrays for multiplex gene editing: Guest blogger Qichen Yuan tells us about... share on our blog, please reach out to news@addgene.org - we'd love to hear from you!       ...
  17. Capturing a Moment with Marc Zimmer’s “The State of Science”

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    ...years, but lay readers may be less familiar with gene drives and their ramifications. Readers unfamiliar...in Doug Prasher, who originally isolated the GFP gene but was not included amongst the Nobel prize winners...time on Addgene’s role in the rapid dissemination of these technologies, proposing that “Addgene, with ...contributed to the steadily increasing distrust the general public has in science and scientists (as discussed...replace scientists themselves.  The sections on optogenetics and CRISPR of course address some of the ethical...has been a key driver of the technology.” As an Addgene vet of 12 years, I’m very familiar with the role...I discussed The State of Science with the five Addgene colleagues who read it with me, the consistent ...
  18. 10 Basic tips for mammalian cell culture

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    ...Sana on LinkedIn.   References 1. Yin, R., et al. "Gene expression profiling analysis of bisphenol A-induced...induces cytoskeletal disorganization, apoptosis, and gene expression disregulation on HeLa cells." Journal...Also, avoid unnecessary talking because talking generates microbe-laden aerosols that may enter the hood...many times and could be contaminated.Learn how Addgene uses barcodes to track samples Keep track of passage...Second  Edition), 2012. Additional Resources on the Addgene Blog The Challenges of Cell Culture Cloning Mammalian...Plasmids 101: Mammalian Vectors Resources on Addgene.org Find mammalian plasmids for your research Find...
  19. Rabies and Neuronal Tracing

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    ...17179932. Additional Resources on the Addgene Blog AAVs CREATed for Gene Delivery to the CNS and PNS Advanced...Neuroscientist's View Control Gene Expression with FLEx Vectors Resources on Addgene.org AAV Vector for TVA Expression...selectively infect a genetically defined cell population. While the EnvA genetic sequences are supplied...combination with molecular tools (e.g., optogenetic or chemogenetic receptors) enables complex control of...enter cells and deliver a variety of cargoes, genetically engineered neurotropic viruses emerged as powerful...individual neurons they infect. However, they generally are not transmitted to adjacent neurons via synapses...of the fact that RABV is an enveloped virus. In general, viral envelopes dictate infection of target cells...
  20. 5 Tips for Troubleshooting Viral Transductions

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    ... selectable with the antibiotic whose resistance gene is encoded in the viral vector. This antibiotic ...Martin L. Yarmush. "Polybrene increases retrovirus gene transfer efficiency by enhancing receptor-independent...aren’t working, you can check if virus is being generated by your transfected packaging cells. This check...and transduction. Once you’ve harvested, it’s generally a good idea to titer your virus. Getting an accurate...standardize your experiments later. Stay tuned to the Addgene blog and be sure to check out our viral vector ... PMCID: PMC330758. Additional Resources on the Addgene Blog Learn All about Adenovirus Associated Virus...Lentiviral Vectors Additional Resources on the Addgene.org Check out Our Viral Vector Guide Pages Find ...
Showing: 521 - 540 of 1154 results