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We narrowed to 464 results for: mal.2

Showing: 221 - 240 of 464 results
  1. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...immediate early gene expression. Genes Dev. 1988 Jun;2(6):718-29. doi: 10.1101/gad.2.6.718. PMID: 2843425...Targeted Gene Expression in Drosophila.” Genetics 186(2) (2010): 735-55. PubMed PMID: 20697123. PubMed Central... in Saccharomyces cerevisiae.” FEMS Yeast Res. 12(2) (2012): 197-214. PubMed PMID: 22129153. Additional...bacterial origins, Tet systems function well in mammalian cells, and TRE-containing promoters can be used...OFF. The cumate switch system functions well in mammalian cells, and can be used in the repressible manner...previous post. While originally developed for use in mammalian cells, this system has also been implemented in...Bujard H. Tight control of gene expression in mammalian cells by tetracycline-responsive promoters. Proc...
  2. New and Upcoming Viral Vectors - June 2019

    Type
    Blog Post
    Published
    June 18, 2019, 1:15 p.m.
    ...  AAV9, AAVrg pAAV-hSyn-DIO-mCherry 37825 AAV1, 2, 5, 8, 9 (20 µL size serotype testing) pAAV-CAG-GFP...size serotype testing) pAAV-CAG-GFP 50465 AAV1, 2, 5, rg (20 µL size serotype testing) pAAV-hSyn-EGFP...chemogenetic AAV for activating and inhibiting neurons. Minimally-tagged DREADD AAV from the Richie lab are especially...
  3. Visualizing Translation at the Single Molecule Level

    Type
    Blog Post
    Published
    Aug. 1, 2017, 1:15 p.m.
    ...the reporter mRNA is labeled by PCP-mCherry (Figure 2). The 3’ UTR also contains a CAAX sequence to bind...PMC2746483 Find ribosome profiling plasmids at Addgene. 2. Halstead, James M., et al. “Translation. An RNA biosensor...round of translation from single cells to living animals.” Science 347(6228) (2015): 1367-71. PMID: 25792328...
  4. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    Published
    May 31, 2016, 3:30 p.m.
    ...without leaving behind any accessory DNA sequences [2], [3]. Simply put, the piggyBac™ transposon containing...with a Footprint-Free™ genome edit.   Figure 2: Editing DNA using the piggyBac™ transposon selection...PMID: 26211958. PubMed Central PMCID: PMC4663986. 2.  A. M. Singh, V. V Adjan Steffey, T. Yeshi, and D...successfully used for genetic manipulation in mammalian cells until 2005 [1]. Like other transposons, ...to efficiently perform genetic manipulations in animal models or cells lines, including stem cells, without...specific, and has not been shown to cause genomic abnormalities when expressed. This lack of off-target effects...27075976. 4.  X. Li, E. R. Burnight, A. L. Cooney, N. Malani, T. Brady, J. D. Sander, J. Staber, S. J. Wheelan...
  5. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    Published
    Sept. 28, 2020, noon
    ... pCRISPomyces-2 contains Cas9 and a gRNA cassette. The simpler system of pCRISPomyces-2 displays a higher...and a subsequent curing protocol that requires only 2-3 hours incubation. E. coli and T. citrea scarless...four major components including (1) a CRISPR RNA, (2) four proteins forming the QCascade DNA-targeting ...efficiency for point mutations and 66% efficiency for small insertions. Multiplexing of two targets simultaneously.... coli; while the Marraffini lab used a native minimal CRISPR array (Bikard et al., 2013), the Qi lab ... plasmids Stanley Qi’s lab demonstrated that a minimal, regulatable CRISPR system effectively silenced...transcription of one or more genes in E. coli. and in a mammalian cell line (Qi et al., 2013). Two important features...
  6. Top Requested Lentivirus and AAV of 2016

    Type
    Blog Post
    Published
    Jan. 6, 2017, 3:56 p.m.
    ... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One. 2013 ...PMID: 24086725. PubMed Central PMCID: PMC3785459. 2. Krashes MJ, Koda S, Ye C, Rogan SC, Adams AC, Cusher... attain cell-specific expression in transgenic animals, where cre expression is restricted to a particular... which can then be exclusively activated by the small molecule clozapine N-oxide (CNO) (Krashes et al....
  7. GPCRs: How Do They Work and How Do We Study Them?

    Type
    Blog Post
    Published
    Feb. 11, 2021, 2:15 p.m.
    ...plasmid kit consists of 20 plasmids encoding 14 alpha, 2 beta, and 4 gamma subunits of the heterotrimeric G...activation via bioluminescence resonance energy transfer 2 (BRET2). Check out our blog post on GPCR signaling...genetically engineered receptors to interact with small molecules to elicit a response in a certain cell...genetically modified receptors are activated by small molecules to either activate or inhibit neuronal...to respond to specific, pharmacologically-inert, small molecules. These new receptors were termed Designer...muscarinic receptor family and are activated by small molecule ligands such as clozapine-N-oxide (CNO)...
  8. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ... follow the same general cyclical process (Figure 2). The differences typically come in when generating...starting point for the next cycle. Figure 2: General process of antibody directed evolution. Created...module_attribute "schema_version" is_json="true" %}{% raw %}2{% endraw %}{% end_module_attribute %}{% module_attribute...font-family":"helvetica","font-style":"normal","font-weight":"normal","text-decoration":"none"},"fallback..."font-family: helvetica; font-style: normal; font-weight: normal; text-decoration: none","font_set":"DEFAULT...engineering is at a large scale — some is done on much smaller equipment on a lab bench. The best part? Less complicated...structure (Figure 1). Antibodies can be broken up into smaller parts, the variable regions can be altered for ...
  9. Plasmids 101: Using Transposons in the Lab

    Type
    Blog Post
    Published
    July 6, 2021, 1:28 p.m.
    ...somewhere else (Fig. 2). Class II TEs have LTRs on both of their ends.    Figure 2: Overview of DNA...has four major components: 1) a CRISPR RNA (crRNA), 2) four proteins (TniQ, Cas8, Cas7, Cas6) that forms...to insert at these sites.  Transgenic animals Transgenic animals are often generated by directly injecting... has a close-to-random integration profile in mammalian genomes. SB is active in vertebrates and integrates... well as in vivo in yeast, plant, insect, and mammalian cells, including human cells. piggyBac is biased...transposase (hyPB) is ~10-fold more active in mammalian cells compared to the codon-optimized wild-type...)TTATAA(G/C)TNA. Tol2 can deliver 10-11 kB to mammalian cells without decreased efficiency, with a maximum...
  10. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ...11 and Cas13 are 1). non-specific RNA cleavage and 2). cell toxicity. Cas7-11 does not display collateral...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016...therapeutic promise due to the fact that it is smaller than the traditional SpCas9 enzyme (about a third...sequence Similar to Cas12, it is also significantly smaller in size than traditional Cas9. Another similarity...RNA cleavage and is significantly less toxic to mammalian cells than Cas13 (likely due to the lack of collateral...
  11. Click Biology: How to Click and Play to Explore Biology

    Type
    Blog Post
    Published
    Oct. 21, 2025, 1:15 p.m.
    ... engineered components, like protein tags (Figure 2). Through the work of many groups, there are systems... in Addgene's repository (Table 1). Figure 2: Adding function to My Favorite Protein (MFP) through...contexts (Figure 1). Together the features with optimal biological performance are described as Click Biology...modules, which can connect proteins to any kind of small molecule probes with different functionalities, ...CLm and C-terminal Aes gp41-1 Split inteins A small, fast split intein SpyTag003/SpyCatcher003 SpyTag...
  12. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

    Type
    Blog Post
    Published
    Nov. 24, 2015, 3:30 p.m.
    ...successfully regulated expression of channelrhodopsin-2, commonly used in optogenetics, opening up the possibility... Find plasmids from this publication at Addgene. 2. Tang, Jonathan C.Y., et al. “Cell type-specific manipulation..., consist of a single heavy chain, and they are small and stable inside cells. Nanobodies binding GFP ...and since cells infected with AAV-Cre-DOG retain normal neuronal function, this system may make optogenetics...developed soon to allow genome modification only in a small subset of cells? Other proteins may also be utliized...
  13. 5 Great Apps for Lab Life

    Type
    Blog Post
    Published
    Sept. 22, 2016, 2:30 p.m.
    ...misplacing your results or losing that lab notebook from 2 years ago. The free subscription to Lab Archives allots...notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn... Lastly, the Tm calculator helps you set up an optimal PCR depending on the primer sequence and the NEB...
  14. Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer

    Type
    Blog Post
    Published
    July 6, 2017, 1:59 p.m.
    ...represent a favorable state for tumor progression (Ref 2). Future treatments may need to target this immunosuppressive...cell 30.1 (2016): 147-160. PubMed PMID: 27411589. 2. Todoric, Jelena, Laura Antonucci, and Michael Karin...starvation on cancer therapy. Findings in previous animal studies suggested that fasting has a positive effect...
  15. Plasmid-based Recombinant Monoclonal Antibodies: What They Are and Why You Should Be Excited About Them

    Type
    Blog Post
    Published
    May 4, 2021, 1:15 p.m.
    ...use antibodies made from animals or hybridomas.   Figure 2: (Left) Figure 2: (Left) The light chain...Polyclonal antibodies produced in animals may be variable among animals and bleed dates and even clonal ...1: (Top) Polyclonal antibodies are produced in animals and consist of a mixture of antibodies recognizing... display, yeast display, ribosome display, or mammalian display (Tsuruta et al., 2017). In vitro selection...antibodies to targets that may not work well in animals because of similarities to host proteins. After...into host cells, such as bacterial, yeast, or mammalian cells, for antibody production and subsequent ...genetically drift over time. Antibodies made from animals are limited in supply and producing antibodies ...
  16. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    Published
    July 28, 2016, 2:30 p.m.
    ...certain states of interest. For example, in Figure 2 below we present a two-input, five-state GRSM register...linking RSM inputs to endogenous gene expression (2). Our paper (1) explains how to arrange attB-attP...Science. 353, aad8559 (2016). PubMed PMID: 27463678. 2. Green, Alexander A., et al. "Toehold switches: de-novo-designed...its target states are only represented in a very small number of registers. Instead, one may use qPCR to... not be suitable for applications that require minimal cellular perturbation. Also, this method requires...
  17. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ... Zetsche et al., Nat Biotechnol. 2015 Feb 2;33(2):139-42. doi: 10.1038/nbt.3149. Light-inducible ...and on your favourite signalling pathways (Figure 2). They are all available now at Addgene. 1 Lungu...20;19(4):507-17. 10.1016/j.chembiol.2012.02.006. 2 Guntas et al., Proc Natl Acad Sci USA 2015 Jan 6; ...Nihongaki et al., Chemistry and Biology. 2015 Feb 19; 22(2):169-74. High efficiency cloning for enzyme screening...inducible, gene knockdown with shRNA or shRNA-miR30, (2) tamoxifen-inducible CreERT2 gene deletion, (3) simultaneous...different fluorescent proteins, 8 constitutive promoters, 2 includible promoters, 3 polyA terminators and various...of plasmids required for each input/output system; 2) removing all chemically inducible promoters; 3) improving...
  18. Plasmids 101: Terminators and PolyA signals

    Type
    Blog Post
    Published
    March 31, 2016, 2:30 p.m.
    ...due to the presence of additional helper sequences (2-3). As alluded to above, termination and polyadenylation...and translation processes as well.   Figure 2: The conserved eukaryotic polyadenylation signal directs...types of RNA: Polymerase I is responsible for ribosomal RNA, Polymerase II is responsible for mRNA and...seems to couple termination with polyadenlyation. Mammalian expression plasmids are primarily used to create...create mRNA and the commonly used mammalian terminators (SV40, hGH, BGH, and rbGlob) include the sequence...commons.wikimedia.org/w/index.php?curid=17554393   Use of mammalian poly(A) signals in combination with certain viral...
  19. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...FRET signal back again. The Ting lab constructed 2 versions of this reporter to target the K9 (pcDNA3... 525.7570 (2015): 533-537. PubMed PMID: 26352475. 2. Bygren, Lars O., et al. "Change in paternal grandmothers...paternal or maternal copy of the gene is expressed in normal individuals (in a parent-of-origin-specific manner...because too much or too little gene product disrupts normal function. Angelman syndrome is characterized by...both cases, the other copy of the chromosome is normally imprinted and silenced, and so the syndromes are...supply influenced cardiovascular mortality of the female grandchildren." BMC genetics15.1 (2014): 12. PubMed...
  20. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ...components are 1) a SMASh-tagged protein and 2) asunaprevir (small molecule). dTAG The degradation tag (dTAG...gone through an additional round of evolution (AID-2) to reduce some of the leakiness associated with the...induced by the addition of a small molecule, and protein levels can return to normal once the drug has been ... expressed beyond the tag and small molecule. It does work in mammalian cells, mice, and even yeast, though...conditions (typically the addition of an exogenous small molecule). Degron tags can range in size from several...degrons and some of the nuances to each one.   SMASh Small molecule-assisted shutoff (SMASh) functions on the...itself when you want the protein around, leaving a minimal additional sequence (7 kDa). This system also requires...
Showing: 221 - 240 of 464 results