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Showing: 341 - 350 of 928 results
  1. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    ...significant amount of flexibility compared to a strict single-compatibility sequence like NGG. Nonetheless...NG, a rationally engineered Cas9 with NG PAM compatibility, as the name implies (Nishimasu et. al, 2018...know and love about Cas9, but with broader PAM compatibility. This alternative PAM requirement adds a significant...PAMs and is capable of editing at frequencies comparable to SpCas9. SpRY can also edit NYN PAMs, but with... Ai C, Hu J. In-depth assessment of the PAM compatibility and editing activities of Cas9 variants. Nucleic...
  2. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    ...blood clotting, and as we all know, a structural component of bones and teeth. It is an enzyme co-factor,..., a neuron subtype) and specific subcellular compartments for measurements. All of the sensors discussed...calcium concentrations in different subcellular compartments can vary greatly. Additionally, the calcium ...susceptible to artifacts and pH interference, and comparison between experiments can be more difficult due...GCaMP6 only) or mammalian cell expression, and compatible with constitutive or Cre-dependent expression...Genetically encoded calcium indicators to probe complex brain circuit dynamics in vivo. Neuroscience Research...
  3. A Look at Addgene's QC Process

    Type
    Blog Post
    ... to stop functioning properly or be something completely different than what was originally intended. ...tags, promoters, and other critical functional components. Fun fact! Some older plasmids in our collection...each of their plasmids, from descriptions of key components of the plasmids to partial, full, or annotated...Addgene receives deposited plasmids, they undergo complete plasmid sequencing using an in-house Illumina ...Addgene. The assembled plasmid sequence is then compared to the information provided by the depositor. ... sequence is not available, QC scientists will compare the NGS results to the plasmid information, other...
  4. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    ...that allow their host organisms to thrive in competitive environments. The genes encoding these functions...triumph over your neighbors is to eliminate the competition, and Penicillium isn’t the only organism that... are also less aggressive ways to survive in competitive environments — like by living where no one else...to be active only in the presence of the target compound. These systems are a gold mine of parts for synthetic...Shareck et al., 2004). Plasmid categorization is complex Plasmid classification has shifted over the years...necessarily reflect genetic relationships or plasmid incompatibility. Plasmids may also have more than one function...
  5. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    ...remodeling. Chromatin is a complex of DNA and histone proteins that compacts cellular DNA into chromosomes...in the compacted region and results in a loss of gene expression. In this way, genes in compacted regions...and tightly bound DNA is to histones, the more compacted it becomes. This prevents the cellular machinery...have huge impacts in the way we study and treat complex or multifactorial diseases, enabling faster diagnosis...
  6. How to Deposit Your Plasmids with Addgene

    Type
    Blog Post
    ...information directly into the file. Email the completed spreadsheet to [email protected] along with ...used to knockdown expression of mRNAs with complementarity to the shRNA sequence. Empty backbone A plasmid...plasmid data in the pages described below. You can complete these pages sequentially by entering the appropriate...the links at the top of the page. Figure 11: A completed plasmid page for review before submission. Once... right of each data entry page. Once you have completed the data entry process for all of the plasmids...Figure 13: Click the "Submit Deposit" button to complete the data entry. Clicking the "Submit Deposit" ...third party rights holders. Once this process is complete, you will receive a Deposit Confirmation email...
  7. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    ...bacterial strains, like NEB Stable. NEB Stable competent cells lack RecA, a protein that aids in the homologous...helps me figure out if I have enough plasmid to complete my experiment. AAV is usually the limiting reagent...produce more virus because I don’t have enough AAV. Compared to the Addgene AAV Production protocol, I take...concentrate the purified virus. This process can be completed in one long day, or the virus can be stored at...set can be used and samples are quantified by comparing to an AAV standard curve, which is generated from... plasmid. This whole process takes ~3 hours to complete: 1 hours hands-on time and 2 hours for the qPCR...
  8. Transferable Skills: Negotiation

    Type
    Blog Post
    ...while also ensuring that my work gets completed? I want my company to pay for me to attend a conference... How can I negotiate my starting date with the company so they know I’m excited while still being able...want to learn more about a different area of the company. How can I negotiate with my manager to gain experience...conference. How can I negotiate to show the company that investing in me is also beneficial to them? I have an...but I need help from another person/team at the company. How do I negotiate with the person/team for help...
  9. PhD Applications After COVID

    Type
    Blog Post
    ...know that this process only became even more complicated with COVID-19 and standards for hybrid, virtual...without the financial and logistical stress that accompanies traveling for campus visits. This is definitely...where the PhD application cycle becomes much more complex. “How do I reach out to potential mentors?” “Where...very valid questions, and often make an already complicated process even more difficult. I’ve learned that...to be incredibly useful, as it gives a more comprehensive idea of that advisor’s research interests which... for the interview. Having notes close to your computer with things you want to highlight in the interview...
  10. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    ...about a month and a half, without the need for complicated cloning of homology arms. MMEJ: An Introduction...HDR and NHEJ, please see the linked blog posts. Compared to its counterparts NHEJ and HDR, MMEJ doesn’t...strategy looks very similar to HDR, but it is accomplished using much smaller regions of homology, which...strategy looks very similar to HDR, but it is completed using much shorter sequence homologies. Abbreviated...efficiency of PITCh-based genomic insertion would compare to CRISPR sticky-end insertion using the nuclease...Genome-Editing Based Approach for Mapping Multiprotein Complexes in Human Cells.” Cell Rep. 13: 621-633. PMID: ...
Showing: 341 - 350 of 928 results