...like zinc finger nucleases (ZFNs) or transcription-activator-like effector nucleases (TALENs) required...binding that positions the nuclease domains, called RuvC and HNH, to cleave opposite strands of the target... two nuclease domains, RuvC and HNH. Cas9 nickase, a D10A mutant of SpCas9, retains one nuclease domain... of their ability to cleave target DNA. Specifically, both RuvC and HNH nuclease domains can be rendered...SpCas9), resulting in a nuclease dead Cas9 (dCas9) molecule that cannot cleave target DNA. The dCas9 molecule...enzymes can also cleave RNAs non-specifically after the initial crRNA-guided cleavage. This promiscuous...commonly used CRISPR endonuclease for genome engineering, it may not be the best endonuclease for every application...

...molecular biology enzymes: 5' exonuclease, polymerase and ligase. 5' exonuclease digests the 5' end of dsDNA...properties of type IIS restriction endonucleases. These endonucleases cut dsDNA at a specified distance...) relies on the 3'-5' exonuclease activity of T4 DNA polymerase. An exonuclease is an enzyme which removes...Restriction Enzyme Cloning Restriction enzyme (endonuclease) based molecular cloning is the "classic" cloning...naturally produced by certain bacteria and archaea, cleave double stranded DNA (dsDNA) at specific sequence...cloning project. Restriction enzyme cloning also leaves behind a short scar in the DNA sequence and can...cloning utilizes the Taq polymerase which naturally leaves a single adenosine (A) overhang on the 3' end of...

...code inserted into the plasmid. This produces the least amount of variation between antibodies, allows for... induced to express antibodies. Antibodies are released into the growth medium and can either be used ...fragments - Fab fragments are created by enzymatically cleaving the variable regions of an antibody (each Fab ...they should be stored at -20 °C in aliquots of at least 10 µL. Antibodies cannot tolerate freeze-thaw cycles...single cells. Includes: Flow cytometry Read on to learn more about the applications common to each category...should be run with your protein of interest and at least one ubiquitously expressed protein such as GAPDH...protein:DNA complexes. After capture, the DNA is released from the complex and can be sequenced and amplified...

...VSV-G, however, may be used across both systems. Please see our Biosafety page for information on working...enter the nucleus during mitotic breakdown of the nuclear envelope. Lentiviruses can transduce both dividing... are small enough to enter the nucleus through nuclear pore complex. This feature may be useful for the...interchangeably. For more information about lentivirus, please read our lentivirus guide. Are γ-retroviruses replication...stimulates the expression of transgenes via increased nuclear export. LTR Subcomponents: U3 R U5 in cis LTR; ...

...the next 100 years, many significant discoveries lead to the conclusions that genes encode proteins and...cell division, and each daughter cell receives at least one copy of the plasmid. By the 1970s the combined... tools in the molecular biologist’s toolbox. To learn more about different types of cloning methods check... ( ori ), an antibiotic-resistance gene, and at least one unique restriction enzyme recognition site. ...CRISPR technology. CRISPR is composed of a DNA endonuclease and guide RNAs that target specific locations...lentiviral particles. Visit our viral service page to learn more. Regardless of type, plasmids are generally...

...relevant variants. This list is not exhaustive - please browse our curated list of opsins here to find ...of a protein of interest. A genetically-encoded nuclear Cry2 fusion can thus direct a CIB1-protein fusion...voltage (LOV) domain of FKF1 LINUS light-inducible nuclear localization signal based on the LOV2 domain of...phototropin 1 LOVETRAP reversibly sequester and release proteins from cellular membranes using light. light-induced...protein in the light ~400 (on)/~500 (off) PhoCl Photocleavable protein engineered from a green-to-red photoconvertible...

...your screen. If you need to amplify the library, please refer to the depositor’s protocol for the best ... library is complete - an incomplete library may lead to false positives or false negatives in later experiments...minimizes the effects of random chance that could lead to false positive or negative results - for a given...sequencing services. For an NGS company near you, please consult these links: NGS Company Resources Science...

...firing through stimulating phospholipase C, which releases intracellular calcium stores. There are currently...DREADDs, their ligands, and signaling properties. Please see the text or table 1 for details. DREADD Ligands...for a discussion of alternative DREADD ligands, please see the text Browse Addgene's collection of DREADD...based LGICs, their effect, and outcome in neurons. Please see the text or table 2 for details. Table 2. Descriptions...

...description of 2nd and 3rd generation lentiviruses, please review 2nd vs 3rd generation above . Briefly, 2nd...Ther. 2005. 5(4): 387-398. PubMed . HIV-1 Genome Nuclear Import Is Mediated by a Central DNA Flap. Zennou...and partially spliced transcripts to facilitate nuclear export. Tat in trans Second generation only; Trans-activator...stimulates the expression of transgenes via increased nuclear export. LTR Sub-components: U3 R Sub-element: TAR...

...Learn about the types of plasmids used to produce AAV in the lab. Addgene’s AAV Guide will teach you ...genome editing. For more information on AAV-CRISPR, please see this blog post. Browse the article from Ran...particles produced during a lytic cycle are quickly released through cell lysis. Episomal stability enables...

...development. eBooks Download any of our eBooks to learn about popular topics related to our collections....Plasmid Technology Career Readiness Molecular Biology Learn about plasmids, sequencing, vectors, and restriction...

...created the following guides to help you start learning about various scientific concepts related to our...Read More Viral Vectors Find educational guides to learn more about the different types of viruses that are...

...recombination of the transgene into the adenoviral plasmid. Please see our Biosafety guide for more information on...

...response element promoter U6 Constitutive Human U6 nuclear promoter for small RNA expression UAS Specific ...

...for your convenience. For reference information, please consult Addgene's Molecular Biology Reference Page...