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Showing: 61 - 80 of 619 results
  1. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    Published
    Oct. 11, 2016, 2:30 p.m.
    ...editing to change the genetic code of plants, including the development of crops with longer shelf life...to engineer the genome of many plant species, including commonly used model organisms like Arabidopsis... Medicago truncatula and several crop species including potato, corn, tomato, wheat, mushroom, and rice... used RNA pol II promoters for Cas9 expression include the ubiquitously expressing cauliflower mosaic ...toolkits for creating plant expression plasmids, including plant CRISPR plasmids from the Yiping Qi lab and...
  2. Thoughts on the Future of Research 2015 Boston Symposium

    Type
    Blog Post
    Published
    Nov. 25, 2015, 4 p.m.
    ...that there are many companies and organizations (including Addgene), that need people who are data oriented...academic environment. Some great tips from this panel included:  Write Often Whether you take on opportunities...publishing process. The diversity panel - Equity and inclusion The final and possibly the most important panel...show that people from all backgrounds are truly included as members of their research communities and are... be asked going forward is: How do we measure inclusion and equity? This is a difficult question but not...
  3. Using AAV for Neuronal Tracing

    Type
    Blog Post
    Published
    Aug. 9, 2018, 1:04 p.m.
    ...episodic memory, a special type of memory which includes autobiographical events (see Jin & Maren, 2015...visualization of the morphology of individual neurons, including dendritic and axonal extensions and, most importantly...review see Maday et al., 2014). It is currently unclear which proteins facilitate transport of neuronal...some engineering, RABV and HSV, but also others including pseudorabies virus type 1, vesicular stomatitis... Addgene's AAV guide)  Commonly used serotypes include AAV1 – 9, with most of these serotypes capable ...future developments in the field of AAV vectors. Conclusion An ideal comprehensive toolset for neuronal tracing...
  4. Is this the right place for me? 8 tactics for choosing a lab

    Type
    Blog Post
    Published
    Oct. 2, 2018, 12:56 p.m.
    ...workplace bullying? Threats to professional status – including belittling opinions, public professional humiliation...competence procedures Threats to personal standing – including undermining personal integrity, destructive innuendo..., intimidation, sexual harassment Isolation – including preventing access to opportunities, physical or... withholding necessary information Overwork – including undue pressure, impossible deadlines, unnecessary...unnecessary disruptions Destabilization – including failure to acknowledge good work, allocation of meaningless...
  5. PiggyBac-ing Through the Genome Editing Field

    Type
    Blog Post
    Published
    May 31, 2016, 3:30 p.m.
    ...technology can be used for numerous applications, including transgenesis, gene-trap screens, and gene editing...manipulations in animal models or cells lines, including stem cells, without leaving behind any accessory...piggyBac™ transposon containing a selection marker is included in a standard homology directed repair template... used for a variety of research applications, including making transgenic cell lines and genetically-modified... using a variety of gene editing technologies including Zinc Fingers, TALENs, and CRISPR-Cas9 nucleases...
  6. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...reagents for many molecular biology protocols, including vector-insert joining for recombinant plasmid ...efficiently ligate many undesirable structures, including substrates containing gaps or DNA base pair mismatches...specificity and quantitative accuracy and even include profiling single nucleotide polymorphisms (SNPs...substrate (23, 24). Thermostable DNA ligases, including Taq DNA ligase, are naturally able to discriminate...DNA ligase commercially available (see below). Conclusion It is important to note that thermostable, high...
  7. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

    Type
    Blog Post
    Published
    Nov. 2, 2021, 1:15 p.m.
    ...high as 1-3%. In light of this finding, we now include guidance on the plasmid page of DIO/FLEx AAV vectors...you intend to use performs in your system. This includes a thorough testing of both the serotype and promoter... is reached you may obtain a false negative or conclude the viral vector is not working.  When using a...off-target expression that can confound your results.  Conclusion Using AAV vectors in your experiments requires...system. It is very rare for a methods section to include all of the variables that need to be accounted ...
  8. MassBioEd Career Exploration Day at Addgene

    Type
    Blog Post
    Published
    Nov. 13, 2015, 3:30 p.m.
    ... advice for the group of juniors and seniors, including that it’s never too early to start networking!...was the favorite part of their visit for many, including Natalie Reid who said “Seeing the bacteria on ... of programming for scientists!). Careers that include both science and business or programming were new...showed some highlights of his travels from 2015, including a great European photo slideshow from our UK team...
  9. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    Published
    May 14, 2024, 1:15 p.m.
    ...2015). This kit offers a broad range of parts, including copy number machinery, chromosomal integration...YTK and adds several additional capabilities, including conditional gene expression, multiplexed CRISPR...chromosomal integration and gene expression, the system includes a toolkit to express recombinant proteins within...kit plus the plant-specific parts you‘ll need, including sub-cellular localization signals, plant markers...engineering. This is a specialized system with parts including site-specific recombinases, regulatory elements...
  10. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    Published
    March 21, 2024, 1:15 p.m.
    ... impact downstream outcomes of an experiment, including the accuracy and efficacy of findings. If you’...peptides and antibodies. Example applications of this include coupling to an antibody, whereby excitation of ...them under experimental conditions. Common issues include photobleaching, non-specific binding, and quenching...biotechnology. Recent examples of advancements include the Janelia Fluor(R) (JF) dyes developed by the...super-resolution applications. Other current advancements include work exploring far-red-emitting dyes in bacterial...
  11. Lentiviral CRISPR Libraries Enable Genome-Scale, Knockout Screening

    Type
    Blog Post
    Published
    Feb. 20, 2014, 4:57 p.m.
    ...selection screening. They and their colleagues including Feng Zhang used the GeCKO library to identify ...libraries developed by MIT's Tim Wang and colleagues, including David Sabatini and Eric Lander, comprise 73,171...different gene targets. These pooled libraries include enrichment against kinases, cell cycle proteins...designed to target a smaller set of genes and it includes more guides per gene. The Sabatini/Lander library...
  12. Fostering communication in remote collaborations

    Type
    Blog Post
    Published
    April 21, 2020, 1:14 p.m.
    ...stays on the same page. Ideally, these meetings include all collaborators, from the lab members who are...like Zoom or Google Hangouts is a great way to include researchers from different locations. Having virtual...to your collaborators. This helps everyone feel included in the project and accelerates the pace at which...and morale. Especially when your collaboration includes scientists working in different time zones, it...
  13. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    Published
    April 2, 2020, 6:17 p.m.
    ... and copy number of the plasmid) and typically include a gene that is advantageous for survival, such ...range of applications. Some common plasmid types include cloning plasmids, expression plasmids, gene knock-down...the many things that plasmids can be used to do include: Produce large amounts of a protein so that scientists...the lab. Addgene’s Molecular Biology Reference includes information about molecular cloning, how to choose...
  14. Cellosaurus: A Cell Line Information Database

    Type
    Blog Post
    Published
    Feb. 21, 2023, 2:15 p.m.
    ...submissions via email: [email protected] Entries include accession number, species, and assigned category...profiling for human, mouse, and dog cell lines is included when available, and can be submitted via email...Depending on available information, entries may also include whether a cell line is known to be genetically ... cited. If the information seems incomplete or unclear, Bairoch follow up via email to the authors of ...
  15. The Open Repository of CRISPR Screens: CRISPR Screen Data in One Place

    Type
    Blog Post
    Published
    Jan. 21, 2020, 2:30 p.m.
    ... Now you’re wondering if your favorite gene is included in other CRISPR screens and whether that data ... each screen is captured by BioGRID curators, including the cell line/tissue type, enzyme system, sgRNA...-depth walk through of how to use ORCS:     Include your CRISPR screen data in ORCS  Researchers who...who wish to have their CRISPR screen data included in the BioGRID ORCS CRISPR database are encouraged ...
  16. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ... lobes, REC and NUC, and their subdomains. NUC includes the HNH and RuvC catalytic domains, as well as...as the CTD (also known as the PI), while REC includes most of the bridge helix. Created with BioRender.com...the cleavage domains, the recognition domains—including the CTD and the entire REC lobe—do not structurally...lobes. The guide RNA in this structure does not include stem loop 3, and guide RNA nucleotides 11-20 are...discoveries on this topic are still being made! Conclusion Finally, we can summarize the process from start...
  17. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    Published
    Dec. 23, 2015, 3:30 p.m.
    ...building blocks including 14 different fluorescent proteins, 8 constitutive promoters, 2 includible promoters...Characteristics of the pHlash reporter protein include: H+ specific response cytoplasmic retention insensitivity...been used for a variety of experimental purposes including (1) single or multiple, constitutive or inducible...MXS-chaining were used in a variety of experiments including subcellular visualization of 6 different organelles...introduction of many different functional groups, including reactive groups for conjugation reactions, fluorescent... characteristics favorable for innocuous tags including high solubility, limited affinity for other proteins...mammalian cells with Broccoli Vegetable tags, including Spinach, Spinach2, and Broccoli, can benefit your...
  18. New and Upcoming Viral Vectors - December 2019

    Type
    Blog Post
    Published
    Dec. 19, 2019, 2:40 p.m.
    ... browse our entire AAV inventory. Our new AAVs include: Optogenetics AAV Control AAV Biosensor AAV And...H134R) plasmids from Karl Deisseroth’s lab, which includes pAAV-hSyn Con/Fon hChR2(H134R)-EYFP that is both...have expanded our calcium sensor collection to include our first Flp-dependent GCaMP, AAV8-105714. Several... for the calcium sensor jGCaMP7 from Janelia, including three jGCaMP7 plasmids now packaged in AAVrg. ...
  19. Using Addgene's New Viral Service for Your Research

    Type
    Blog Post
    Published
    Nov. 17, 2016, 3:30 p.m.
    ...distributing lentivirus (with many CRISPR tools included among the preps that are currently available) ... AAV preparations have worked well in my lab, including in applications where we have delivered them in...The blog provides tips for working with viruses including advice on how to titer lentiviral preps, troubleshoot...on each viral prep’s specific material page and includes western blots as well as other expression data...
  20. Plasmids 101: Gram Negative and Positive Bacteria

    Type
    Blog Post
    Published
    Aug. 2, 2022, 1:15 p.m.
    ...the ins and outs of this classification system, including its history, biology, and usages in the lab. History...peptidoglycan membrane. Common gram positive bacteria include staphylococci and streptococci. Gram negative bacteria... lipid membrane. Common gram negative bacteria include salmonella and E. coli. Because of their thicker... For more specific procedural instructions, including timing, preparing the smear, and mixing the stains...
Showing: 61 - 80 of 619 results