... from chromosomal DNA. Although they can be found in archaea and eukaryotes, they play the most significant...conclusions that genes encode proteins and reside on chromosomes, which are composed of DNA. These findings culminated...order to isolate a particular gene from human chromosomal DNA, it would be necessary to isolate a sequence...coined the term plasmid, in reference to any extrachromosomal heritable determinant. Plasmids are fragments...relationship with the host cell. Like the bacterial chromosomal DNA, plasmid DNA is replicated upon cell division...DNA from one context to another, such as from a chromosome to a plasmid. These tools are essential to the...recombinant DNA Molecular Cloning Plasmids that are used most commonly in the field of recombinant DNA technology...

... and adaptability, CRISPR has rapidly become the most popular genome engineering approach. Engineered ...ease of generating gRNAs makes CRISPR one of the most scalable genome editing technologies. This advantage...repair (HDR) pathway The NHEJ repair pathway is the most active repair mechanism, and it frequently causes... information, jump to Plan Your Experiment ). In most cases, NHEJ gives rise to small indels in the target...using conjugation and stably integrated into the chromosome. Browse Plasmids: Activate , Repress/Interfere...and synthesis, as well as the ability to target almost any genomic locus, make CRISPR the ideal genome... viability, and tumor metastasis. Currently, the most popular method for conducting genome-wide screens...

...immune system’s response to foreign bodies, are the most commonly used affinity reagents. Antibodies are ...against the antigen, packaged, and sold. This is the most cost-efficient way to produce antibodies, with the... IgA2 IgD Coexpressed with IgM on the surface of most immature B cells; function is unknown Monomer with...anaphylactic shock Monomer with a valency of 2 IgG The most abundant isotype in blood, also found in tissues...Produced during the primary immune response; found mostly in blood Pentamer with a valency of 10 Antigen ... for exact storage requirements. As a guideline, most antibodies can be stored at 4 °C for short-term ...allow detection of the antibody:protein complex. The most commonly used types of signaling molecules are horseradish...

...the wild-type state, and is thus thought to be the most suitable virus for therapeutic applications. Clinical...host genome at a specific site, AAVS1 on human chromosome 19. This site is favored due to the presence ...preferred site of genomic integration on human chromosome 19, termed AAVS1. Instead, the rAAV genome is...molecular weight structures that are maintained extrachromosomally. rAAV are more likely than wild-type AAV ...been identified, with the best characterized and most commonly used being AAV2. These serotypes differ...

...There are 57 accepted human adenovirus types, and most adenoviral vectors are based on Ad5. Ad5-based vectors...AdEasy™, developed by Bert Vogelstein , is by far the most popular method for creating adenoviral vector constructs...The adenoviral backbone pAdEasy-1 is suitable for most purposes. For especially long transgenes, the use...promote bi-directional transcription Ad5-based vector Most common type of adenoviral vector pAdTrack Class ...

...screens POSITIVE screen: Apply library Apply selection Most cells die or do not pass selection (in the case ...selection) In parallel, apply library Apply selection; most cells will survive Perform NGS on the surviving ...The selective pressure must be strong enough that most of the cells die, removing their plasmids from the.... Check out our blog posts featuring some of our most popular libraries! Genome-wide Screening Using CRISPR...

...Core Promoter The core promoter region is located most proximal to the start codon and contains the RNA...factors promote the initiation of transcription. The most 3' portion (closest to the gene's start codon) of...eukaryotes and archaea, however, contain this TATA box. Most prokaryotes contain a sequence thought to be functionally...contains transcription factor binding sites, but mostly contains regulatory elements. Eukaryotic Promoters...

...of viral integration have shown that lentiviruses most often integrate into actively transcribed genes,...p75 binding sites are enriched in gene bodies and mostly absent in promoters and intergenic regions, mirroring...promoter within the transfer plasmid must be modified. Most shRNA‐expressing lentiviral plasmids, such as pLKO...Broad tropism envelope protein used to psuedotype most lentiviral vectors. Packaging Gag in trans Precursor...

... pathways targeted to specific cell populations (most often neurons) that can be turned on or off by the...have few, if any off-target effects. They are the most widely employed type of chemogenetic receptors. ...: hM1Dq, hM3Dq, and hM5Dq, however, hM3Dq is the most widely employed. Gi-DREADDs signal through the Gαi...

...integrated into the host genome upon viral transduction. Most transfer plasmids available from Addgene were derived...can be. Plasmids that encode SIN γ-retrovirus lack most of the U3 region of the 3’ LTR and are primarily...

...The following guide will highlight several of the most popular cloning methods used to create recombinant...method, and for many reasons, remains one of the most popular today. Restriction enzymes, which are naturally...

...ways to control opsin expression. Generally, the most robust and stable expression is achieved in a transgenic...