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Showing: 161 - 180 of 283 results
  1. Antibodies 101: ChIP

    Type
    Blog Post
    Published
    March 10, 2022, 3:25 p.m.
    ...downstream analysis focuses on the DNA your protein is actively interacting with, reducing background information...you’re working with a tissue sample, you’ll need to homogenize your sample before moving on to the next...Homogenization for a tissue sample can also need significant optimization for the sample type and size.) It can...process is very similar for both, though tissue samples do require an extra homogenization step. For this...to focus on the ChIP process and not the upsteam sample collection process or the downstream analysis process...itself begins at...  Crosslinking Once you have your sample, the first step is to ensure your protein:DNA complexes...likely to remain attached to the DNA throughout the sample processing and therefore will require crosslinking...
  2. Scientific Sharing in the Time of COVID-19: Databases and Resources

    Type
    Blog Post
    Published
    May 12, 2020, 1:15 p.m.
    ...accelerating the translational impact of research activities. By streamlining the development and accessibility... able to beat this virus, we will need to do the same with science,” said Guillaume Bourque, a Professor...
  3. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    Published
    March 21, 2024, 1:15 p.m.
    ... influence receptor conformation and signaling activity​​ (Sridharan et al., 2014). It's also crucial ...addition of fluorophores affects the functional activity of the ligands. For instance, studies have shown...cytoplasmic background signals when used with the same protein (Hayashi-Takanaka et al., 2014). Other dyes....org/10.1038/s41592-021-01338-6 Grimm, J. B., Muthusamy, A. K., Liang, Y., Brown, T. A., Lemon, W. C.,...
  4. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ...knockout or edit. This can help reduce off-target activity. Deleting a large region of the genome by removing...transcriptional repressor), and dCas9-VP64 (transcriptional activator)-containing plasmids. Each destination vector ...multiplexed gRNAs? By expressing multiple gRNAs on the same plasmid, you’ll make sure that each cell that gets...situation: you only need to express two gRNAs at the same time. One system you could use is pX333 from the...options that are available from Addgene follow these same assembly principles, but they’re optimized for different...
  5. Plasmids 101: Gene, enhancer, and promoter trapping

    Type
    Blog Post
    Published
    May 2, 2023, 1 p.m.
    ...gene’s open reading frame, in fact, they can be activated a considerable distance away from a gene which...which GFP was monitoring was being expressed in the same pattern. These systems suggest the type of phenotype...
  6. New Tool for Lineage Tracing: The ClonTracer Library

    Type
    Blog Post
    Published
    Sept. 22, 2015, 2:30 p.m.
    ...non-small cell lung cancer cell line containing an activating mutation in epidermal growth factor receptor ...replicates would contain the same labels - i.e. they would always come from the same parent cells that represent...replicate groups, and treated these groups with the same drug regimen, they would find one of two outcomes...population (all barcodes can be amplified using the same sets of forward and reverse primers). The abundance...
  7. Viral Vectors 101: Inverted Terminal Repeats

    Type
    Blog Post
    Published
    Oct. 19, 2023, 1:15 p.m.
    ...from AAV2 because they demonstrate high promoter activity (Earley et al. 2020), but non-AAV2 ITRs can be...cis-acting elements, which means that they are in the same DNA molecule as the gene that they package. In a.... M., Dobbins, A. L., Li, C., Hirsch, M. L., & Samulski, R. J. (2020). Adeno-Associated Virus Serotype-Specific...
  8. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...gene, as well as to study the effects of inactivating/activating mutations. In biomedical research, modeling...insertions, deletions, and substitutions - at the same efficiency as Gibson Assembly and GeneArt cloning...plasmid. For insertions, it’s possible to use the same technique just using a large primer known as a megaprimer...
  9. Kiran Musunuru on the Newest TALEN Genome-Editing System

    Type
    Blog Post
    Published
    Dec. 10, 2013, 3:13 p.m.
    ...human pluripotent stem cells: a transcription activator-like effector nuclease (TALEN) kit consisting ...of individuals and find several mutations in the same gene or in multiple genes, all of which seem to ...insert all of those variants into stem cells with the same genetic background and do an apples-to-apples comparison...
  10. Advice on Career Paths and the Green Card Process for International Researchers and Entrepreneurs

    Type
    Blog Post
    Published
    Dec. 20, 2017, 2:33 p.m.
    ... expertise, publications, and plan for future activities; including the interest of the greater scientific...least 3 full-time people engaged in researcher activities. The EB-1B requires that you provide two out ...working in October of the same year. The Industry H-1B visa is not the same as an academic H-1B visa and...journal editors to request to be a reviewer. Proactivity is very important in this case.  You can still...individually, as a judge of the work of others in the same or allied academic field Evidence of original scientific... prestige of the employer makes EB-1Bs a very attractive option.    Your Expert Letters of support can...
  11. 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.
    ...Rational design of highly active sgRNAs for CRISPR-Cas9-mediated gene inactivation." Nature biotechnology...has been surrounded by a whirlwind of research activity and development since its inaugural year in 2012...that the CRISPR system was involved. Today, that same laboratory enjoys a successful edit rate of over...later it became quite clear that others thought the same. Since January 2013 there have been 33 CRISPR software... “HTML”, “visual track”, “plot”, “tabular”, “interactive”, and “save”. Trends: Most tools provide tabular...knowledge from laboratories employing CRISPR on the same organism could be used as a proxy for this last ...
  12. Transferable Skills Guide: Cross-team Communication

    Type
    Blog Post
    Published
    Nov. 21, 2019, 1:53 p.m.
    ...and more productive. Higher Productivity. Taking active measures in improving cross team communication ... and engineers were attending the same meetings and hearing the same words, they were leaving these meetings...aforementioned lab manager, said the word “sample,” did the word convey the same concept to Morgan, our senior engineer...help get everyone on the same page. Others in the meeting might also have the same question and asking can...When everyone at a meeting is using the same words with the same meanings consistently, meetings will be...counsel, used the word “service,” did he mean it the same way as Bryan, our customer support manager? When... an Addgene-specific definition. Words such as “sample,” “material,” “item,” and “format” all received...
  13. Antibodies 101: Isotypes

    Type
    Blog Post
    Published
    Oct. 19, 2021, 1:15 p.m.
    ...antibodies, although not all isotypes have the same ability to activate each of these functions: Recruitment ...appropriate isotype control. An isotype control has the same constant heavy chain domain as your primary antibody...results in the B cell expressing an antibody with the same variable domain but a different heavy-chain constant...
  14. Hot Plasmids and Viral Preps - September 2021

    Type
    Blog Post
    Published
    Sept. 21, 2021, 1:15 p.m.
    ...from “TGA” to “TGG.”  After identification of ABE activity, XMAS-TREE can also be used to purify these modifications...found in the metagenome datasets from hypersaline samples, were engineered and adapted for RNAi experiments...
Showing: 161 - 180 of 283 results