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Showing: 21 - 40 of 390 results
  1. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...are available for making small point mutations, large deletions/insertions require complicated, often ...possible to use the same technique just using a large primer known as a megaprimer. Piecing together multiple...L-arabinose. These cells can be made and frozen in large batches suitable for many experiments. When REPLACR-mutagenesis...
  2. Typing CRISPR Systems

    Type
    Blog Post
    Published
    March 18, 2025, 1:15 p.m.
    ...nearly 100% in archaea, though Class 1 remains largely underutilized compared to Class 2. Class 1 Despite... type of CRISPR overall. Type I systems degrade large sections of DNA thanks to the dual action power ...As you might imagine, this is handy for creating large genomic deletions. Type I systems are also employed...technically target both RNA and DNA, though it is largely believed that the cleavage of DNA is the primary...CRISPR-associated transposase (CAST) that can insert large fragments of DNA. The V-F variants, which are among...will no doubt keep increasing, as efforts using large-scale clustering and discovery algorithms find new...
  3. Finding Your Perfect Job After University

    Type
    Blog Post
    Published
    Jan. 12, 2016, 3:30 p.m.
    ...can sometimes go unnoticed at large organizations. Another downside to large commercial companies which ...samples in the lab, but I really struggled with the large scale data analysis, as this is increasingly reliant...There were, however, some downsides to working in a large commercial company. In my particular situation, ... seemed to create more bureaucracy. As with any large company (both for-profit and non-profit) you can... companies. It was really exciting to work in a larger commercial company; the pay was good and there ... changes were welcomed, which is a benefit over larger companies which have more bureaucracy and cannot...
  4. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    Published
    Feb. 18, 2020, 2:15 p.m.
    ...James from Binning Singletons. The sheer scale of a large conference can be intimidating. And it can be exacerbated...structure and support network for people attending large meetings. A key was to provide each bin with a mentor... the participants to feel more comfortable at a large meeting. They had the confidence to meet someone...-meeting survey indicated that the program was largely a success, but also helped us find areas for improvement...
  5. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    Published
    June 6, 2023, 1:15 p.m.
    ...currently known to cause any diseases. Recombinant AAV largely does not integrate, and the addition of a helper... that of lenti and gamma-retro viruses. This is large enough for many applications, but in some cases ...transient expression of a genetic cargo or have a very large cargo. Fast fact: All viruses discussed in this...have been derived from. Lentiviruses have slightly larger packaging capacities than gamma-retrovirus, coming...
  6. Viral Vectors 101: Viruses as Biological Tools

    Type
    Blog Post
    Published
    March 21, 2023, 1:15 p.m.
    ...in the host. Adenoviruses can deliver relatively large cargo inserts (>8 kb). Adeno-associated viruses...subject delivery, as immunogenicity was previously a large barrier for gene therapy. In fact, AAV gene therapies...High Gene Expression Infects Non-Dividing Cells Large Packaging Capacity (>8kb) High Transduction Efficiency...
  7. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ... the backbone into the insert. If the insert is large, we may only check the 5’ and 3’ ends to verify ...which is critical for the efficient handling of large numbers of samples. When we grow overnight cultures...submission instructions. As for the analysis of a large number of sequencing reactions, you can make your...
  8. Which Fluorescence Microscopy Techniques is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...entire axial volume of a sample. Therefore, when a large number of optical slices are acquired all fluorophores...they require both optical sectioning, imaging over large distances and high temporal resolution. Traditionally...photobleaching when acquiring multiple images over a large axial range. 2-photon imaging, which restricts excitation....0NA objective with proper sampling. Therefore, large, cleared tissues need to be imaged via Lightsheet...this size, those that can will completely image large tissues in a few hours. Although the modern explosion...
  9. A Guide to Designing a Scientific Poster: Content, Layout, and More

    Type
    Blog Post
    Published
    Oct. 22, 2019, 12:20 p.m.
    ...vertical.  Large central box. Another commonly used and effective style is one employing a large central ...is written across the center of the poster in a large font. Hence, spectators can read the text from many...written and graphical information are inserted into larger circles or ovals, that are arranged in some logical...
  10. Five Popular Model Organisms

    Type
    Blog Post
    Published
    April 11, 2019, 12:39 p.m.
    ...short life cycle of 8 to 14 days, and produce a large number of offspring that are laid externally. Fruit... small, easily maintained as they are housed in large groups, easily bred, and produce 50-300 eggs at ...transparent worms that have a rapid life cycle and large brood sizes. The majority of C. elegans are also...self-fertile hermaphrodites making it easy to conduct large experiments over multiple generations. Similarly...
  11. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    Published
    Sept. 29, 2020, 1:15 p.m.
    ..., the Rat Genome Sequencing Project conducted a large scale sequencing and concluded that nearly all disease-linked...relatively simple to maintain and breed and they have large, easily modifiable embryos, which is ideal for observing...attractive features are their eggs. Frog eggs are large, opaque, and produced in abundance, making them ...make an ideal model organism: quick development, a large number of offspring (produces many seeds), self ...disease mode (Iannaccone et al., 2009). Rats are larger than mice making them more useful for certain studies...
  12. Antibodies 101: Introduction to Gating in Flow Cytometry

    Type
    Blog Post
    Published
    April 4, 2024, 1:15 p.m.
    ... scattered by that cell at a low angle (FSC) or large angle (SSC) (Figure 1). FSC values depend on the...forward at a low angle (FSC) or to the side at a large angle (SSC). FSC and SSC depend on the cell’s size...cell population will show up on an FSC/SSC plot, largely depends on cell type and laser voltage. The voltage...populations displayed. As the separation pattern largely stays the same and does not impact my ability to...population distinct from cellular debris and other larger cells. Note, we don’t mind the warning message ...
  13. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    Published
    Aug. 7, 2018, 12:31 p.m.
    ...is often the case with large genes. This is due to inefficient packaging of large inserts; a study by Kumar...start. If you don’t anticipate that you will need large volumes of lentivirus routinely, you may opt for... guides) while a single 72h harvest is best for larger genes such as Cas9. See figure 1 for an example...dishes or increasing the vessel size. Opting for a larger vessel, such as a 3 or 5-layer flask will require...calculating the ratio of the surface area of the larger vessel to the 10 cm2 dish and adjusting the cell...
  14. Plasmids 101: Knockout/Knock-In Plasmids

    Type
    Blog Post
    Published
    Dec. 1, 2016, 3:30 p.m.
    ...targeting constructs. In the example shown in Figure 1, large sequences corresponding to exons 1 and 3 of the ... the cells that have randomly integrated all or large portions of the plasmid. Deliver your construct ...CRISPR is very good at making knockouts, knocking in large sections of DNA can be more difficult. Addgene depositors...
  15. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    Published
    May 26, 2016, 2:30 p.m.
    ...strains, including HB101 and derivatives, release large amounts of carbohydrates that can inhibit the cell...levels of protein, not plasmid DNA. If you need large amounts of DNA from a plasmid in a protein expression...gas exchange in the overnight culture. Generally, large cultures in flasks may be shaken around 220 RPM,...coli strains. Increase the volume Starting with a larger culture volume can improve plasmid yield. Our lab...
  16. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...change in genotype. Epigenetic modifications play a large role in turning genes ‘off’ and ‘on’, signaling ...Epigenetic changes have been discovered to play a large role in a variety of diseases, ranging from cancer...changes in their DNA methylation patterns, either large increases or decreases. Hypermethylation of CpG ...
  17. 6 Steps to Submitting a Resume That Gets Seen

    Type
    Blog Post
    Published
    July 9, 2015, 2:30 p.m.
    ... to take next steps and follow up especially in large companies. It is fine to address the cover letter...might be able to help you. If the organization is large, you will need to be more directed and target someone...
  18. From our Table to Yours: An Inside Look at Lunch at Addgene

    Type
    Blog Post
    Published
    Nov. 27, 2013, 2:54 p.m.
    ...United States, I look forward to gathering around a large table for a meal with my family. I am thankful for...things, and one is that I get to gather around a large table to eat with my Addgene family every day. Do...
  19. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    Published
    Nov. 14, 2024, 2:15 p.m.
    ...removing the full ncRNA locus (Ho et al. 2012). For large-scale screening, sgRNA libraries are useful for ... same time (Liu et al. 2018). However, removing large lncRNA fragments with multiple gRNAs poses the risk...Mutations of splice sites. (C) Removal of an exon or a large genomic fragment. (D) Knock-in: insertion of a synthetic...
Showing: 21 - 40 of 390 results