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  1. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    ... as is antibody recognition, since antibody-specific antibodies bind to and recognize the constant region...molecular tools that have the ability to specifically recognize and bind proteins. They’re used in a number of...
  2. Progress Towards a PAM-Free CRISPR

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    Blog Post
    ...Cas enzymes exist, such as Cpf1/Cas12a, which recognizes the PAM sequences of TTTV. While all of these...all Cas enzymes equal; just because an enzyme recognizes a PAM sequence in your site doesn’t mean it’s...ll want to consider one of several Cas9s that recognize NG PAMs. The Nureki lab generated SpCas9-NG, a...
  3. Illuminating Epigenetics with A FRET Based Biosensor

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    Blog Post
    ...characterized by low muscle tone, short stature, cognitive disabilities, problem behaviors, and a chronic... The K9 reporter uses the HP1 chromodomain to recognise lysine 9 methylation, while the K27 reporter uses... uses the polycomb chromodomain to recognise lysine 27 methylation. When tested in living cells where ...
  4. Hot Plasmids and Viral Preps - May 2021

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    Blog Post
    ... not interfere with ACE2 binding, but impact recognition by specific anti-SARS-CoV-2 antibodies (Fig 1B...  Figure 2: Specific binding of scFVs to cognate aaRS antigens as measured by suspension bead assay...ortholog from Staphylococcus lugdunensis that recognizes a NNGG PAM and has comparable activity to SaCas9...
  5. Summer SciComm Series: Modes of Communication

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    Blog Post
    ...distributed in digital or analog media formats. Cognitively demanding format. Equipment, expense and expertise... Switching from one media type to another is cognitively demanding. Requires multiple areas of expertise... on the Addgene blog:  Summer SciComm Series: Cognitive LoadIntro to our Summer SciComm Series    ...
  6. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    ...targets require an upstream 2-bp PAM sequence for recognition by QCascade; although 5’-CC-3’ is one of the ... VchINT, many other PAMs are also efficiently recognized by the system. Guided by the crRNA, QCascade ...important details. For transposons to be specifically recognized during transposition, genetic cargos must be ...
  7. The PAM Requirement and Expanding CRISPR Beyond SpCas9

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    Blog Post
    ... Synthetic S. pyogenes Cas9s with novel PAM recognition In 2015, Keith Joung’s lab performed a series.... The remaining variants (VQR, EQR, and VRER) recognize novel PAM sequences (shown above). The VQR, EQR...interacting domains and allows for expanded PAM recognition as well as increased specificity and lower off-target...
  8. Plasmids 101: Codon usage bias

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    Blog Post
    ...takes cellular resources to produce tRNAs that recognize different codons, modify the tRNAs correctly, ...preferentially upregulates production of tRNAs that recognize codons found in highly expressed genes (Emilsson...non-exhaustive list includes: Codon abundance relative to cognate tRNA abundance Repetitive sequences Restriction...
  9. Five Popular Model Organisms, Part 2

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    Blog Post
    ...organisms!) Escherichia coli One of the most recognizable and utilized model organisms is Escherichia ...axolotl is one of the most unique model organisms, recognized for its incredible regeneration abilities. The...Arabidopsis thaliana is one of, if not the most, recognized plant model organisms in the world. With its ...
  10. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    ...restriction enzymes, which cleave outside of their recognition sequence, creating flanking overhangs. These ...cleaves gRNAs sandwiched between 28 base Csy4 recognition sites. If Csy4 is not expressed, the gRNAs cannot...tRNA-gRNA (PTG) constructs. Eukaryotic RNases P and Z recognize the tRNA sequences, cleave them, and release the...
  11. Inside Addgene's 10 Year Anniversary Gala

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    Blog Post
    ...Ken called their parents up to the podium to be recognized. John and Stephanie Fan have been supporting ... success. The Addgene board members were also recognized for their essential advice and service. Joanne...
  12. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

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    Blog Post
    ...surprised to learn that Addgene is officially filed, recognized and operated as a nonprofit under the United ...feel GREAT when you send us thank you notes and recognition. You are why we do what we do. From all of us...
  13. Build Your CRISPR Vocabulary

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    Blog Post
    ...: The strand of foreign DNA that Cas proteins recognize using an RNA guide. Non-target strand: The paired...tracrRNAs also contain multiple stem loops that are recognized by the Cas9 protein from the appropriate species...
  14. Viral Vectors 101: Parts of the AAV Transfer Plasmid

    Type
    Blog Post
    ... digest using enzymes, like SmaI, which have recognition sites in the ITRs. Regular Sanger sequencing ... lox system called FLEX or DIO. Lox sites are recognized by the recombinase Cre. Cre first flips the sequence...
  15. A Deep Dive into BioBuilder

    Type
    Blog Post
    ...modules in synthetic biology has grown into a recognized name in the field of STEM education worldwide... with STEM mentors, and provides a nationally recognized platform in March to exhibit projects at any ...
Showing: 61 - 80 of 258 results