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  1. Gibson Assembly Protocol

    Type
    Protocol
    ...in an assembly if you want to save time. Working on ice, combine segments in the Gibson Assembly Reaction... Number of fragments assembled simultaneously Multiple fragments can be assembled in one reaction. However...Get started with Gibson Assembly Cloning! Protocols... Protocols Gibson Cloning Gibson Assembly Cloning You may also ...Institute developed a novel method for the easy assembly of multiple linear DNA fragments (Gibson et al...three different enzymes, the product of a Gibson Assembly is a fully ligated double-stranded DNA molecule...to be an efficient and effective method for the assembly of plasmids, and molecular biologists now use ...
  2. Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity

    Type
    Blog Post
    ...Golden gate assembly limitations Embraced by the synthetic biology community, Golden Gate Assembly is commonly...in-frame assembly proceeding in 99% of 12-fragment assemblies and over 90% for 24-fragment assemblies (Figure...any Golden Gate assembly design. Number of fragments assembled Golden Gate Assembly protocol* (Volume...from 2 µl of the assembly reaction, and from the entire assembly reaction. All assembly reactions had a... 20+ fragment assemblies with both robust efficiency and accuracy. Golden Gate assembly involves the ...enhancing the ordered assembly of the target construct. Development of Golden Gate Assembly test systems Our...different levels of assembly: High efficiency and accurate single-insert assembly Intermediate 5- or ...
  3. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    ...able to come of age. The in vivo assembly cloning protocol In Vivo Assembly (IVA) cloning (Garcia-Nafria ...recombination events to assemble the final plasmid. At least 5 fragments can be correctly assembled using IVA cloning...majority of current cloning techniques involve the assembly of a circular plasmid in vitro, before transforming...propagation. However, while not widely known, plasmid assembly can be achieved in vivo using a bacterial recombination... generation - Any linear DNA fragments can be assembled in vivo as long as they have homologous sequences...fragments are transformed into E. coli and plasmid assembly (re-circularization) occurs in vivo. We use XL...insertions, deletions, and point mutagenesis to complex assembly of multiple genes. Primer design for each type...
  4. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...of DNA assembly available, including: Gibson Assembly®, BioBrick® Assembly, Golden Gate Assembly, and NEBuilder... in DNA assembly will still yield scarless assemblies. Overview of NEBuilder HiFi DNA assembly method ...England Biolabs. What is DNA assembly? In the context of cloning, DNA assembly refers to a method of physically... NEBuilder® HiFi DNA Assembly. Gibson Assembly allows the production of scarless DNA constructs using ...enzymes results in scarless assembly. Finally, the NEBuilder® HiFi DNA Assembly method from New England Biolabs...planning an NEBuilder HiFi DNA Assembly mix reaction is the NEBuilder Assembly Tool which is freely available...complicated assembly approaches, and opens the door for new opportunities in the field.  Gibson Assembly® is ...
  5. Hot Plasmids - November 2023

    Type
    Blog Post
    ... generated a fusion protein called iPAK4 that assembles into a slow-growing protein fiber in the cytoplasm...points appear as fluorescent bands in the fiber, resembling a “ticker tape” recording. The authors created...
  6. Editor's Choice, September 2016

    Type
    Blog Post
    ...60,000 views for the month of September! Historically we do better in September than in the summer months,...tired of calculating dilutions or you can’t quite remember the hazards of that chemical in your obscure growth... an added bonus. You can find the rest of our September posts in chronological order here: Four Things...hoping that October is even more awesome than September! Tyler J. Ford ...
  7. Meet the New Addgene Board Members!

    Type
    Blog Post
    ...This year, Addgene welcomes three new members to the Board of Directors: Khandan Baradaran, Frank Stegmeier...set of experiences. Let’s meet the newest board members and get to know them! Khandan Baradaran, PhD Khandan...the Ocular Genomics Institute, and an Associate Member at the Broad Institute of Harvard and MIT. ...
  8. R Bodies: Membrane-Rupturing Microscopic Tools

    Type
    Blog Post
    ...with proteins and remain functional, 2) break membranes outside of their natural context or 3) be modified...demonstrates that R bodies can function to break membranes of different organisms. And finally, we demonstrated...could use them to lyse cells (and surrounding membranes) in keeping with their natural function (see below...). With a better understanding of how R bodies assemble and function, we might be able to endow cells ...expression of genetic determinants for synthesis and assembly of type 51 R bodies. J. Bacteriol. 168, 40–48 ...Silver, P. A. A Tunable Protein Piston That Breaks Membranes to Release Encapsulated Cargo. ACS Synth. Biol... membrane...
  9. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ...specific area at the plasma membrane (Figure 2). Just express the plasma membrane-localized iLID along with...cell membrane isn’t powerful enough, what about altering the chemical composition of the membrane itself...SuperPLD hydrolyzes membrane PC to PA. A) OptoPLD is recruited to plasma membrane or lysosomes and its...optogenetic tools to control the cytoskeleton and cell membrane dynamics. First, a quick refresher.  The tools...undergoes a conformational change and binds the plasma membrane under blue light CRY2-CIB1 heterodimerizes or ...new optogenetic tool for localized microtubule disassembly, Opto-katanin (Meiring et al., 2022), that overcomes.... The Chow Lab has also generated a variety of membrane-recruitment optogenetic tools for manipulating...
  10. Embracing Serendipity: A Crucial Element in the PhD Journey

    Type
    Blog Post
    ...perspectives. Such activities foster a mindset that embraces the unexpected and encourages exploration of tangents...ideas and approaches. Moreover, the ability to embrace serendipity fosters adaptability, a crucial skill...groundbreaking discoveries. So, on your academic journey, remember to leave a little space for the unexpected — it...
  11. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    ...sybodies against membrane proteins Developing antibodies against proteins embedded in membranes is tricky because...to 1012 members) in comparison to other display systems using phage and yeast (109-1010 members). This ...develop antibodies against unstable targets like membrane proteins that may unfold due to camelid high body...synthetic nanobodies, called sybodies, against membrane protein targets in as little as 3 weeks (Zimmermann...lab can quickly select for sybodies targeting a membrane protein of interest using the Sybody Generation... the process for selection of sybodies against membrane proteins. Image from Zimmermann et al., 2018. ...SARS-CoV-2 Receptor Binding Domain found on the membrane-bound spike protein, in a remarkable 12 working...
  12. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    ...circular assemblies. While Golden Gate Assembly worked for all the assembly types, circular assemblies yielded... circular assembly of the T7 genome had lower efficiency than the 10-piece circular assembly, with the...accomplished with Golden Gate Assembly—even when getting help from DAD. The 35-piece assembly mentioned above had...limit for Golden Gate Assembly size. Ultimately, data-driven Golden Gate Assembly greatly increases the...complex Golden Gate Assembly, a great place to start is the 24-piece lac operon assembly deposited by NEB...-pot Golden Gate assemblies of unprecedented complexity using data-optimized assembly design. PLOS ONE...If you’ve ever used Golden Gate Assembly for cloning, you might be familiar with the rules of thumb for...
  13. Q&A With Julie Cicalese, the Newest Member of the Addgene Board of Directors

    Type
    Blog Post
    ...insight to the now 13 member board at Addgene. Let’s meet the newest board member and get to know her better...Addgene from Joanna Brownstein, an Addgene board member. When I was working in Human Resources at Harvard...prior work experiences help you as an Addgene board member? It’s not like I understand the science but my ...advance the mission of the school. She was also a member of the Northeast Human Resources Association, Association...blog Resources on addgene.org: Meet the other members of Addgene's Board of Directors Find careers at...
  14. Q&A with Karen Katz and Carl Paratore, the Newest Members of the Addgene Board of Directors

    Type
    Blog Post
    ...insight to the now 10 member board at Addgene. Let’s meet the newest board members and get to know them...looking for new board members. Paratore: Kristen Darby, who’s also a board member, reached out and asked...Dorr and Crowell & Morning. Karen was a founding member of Mass Medical Angels, a venture mentor at MIT...certified health insurance executive (CHIE). He is a member of both the Internal Institute of Auditors and ...blog Resources on Addgene.org Meet the other members of Addgene's Board of Directors Find careers at...
  15. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    ...basics of Gibson assembly as a parody of “Breakfast at Tiffany’s.” Overview of Gibson assembly The Gibson assembly...gain in popularity. Gibson assembly is well known for allowing easy assembly of multiple linear DNA fragments...Miller Lab Protocol). The Gibson assembly process can be used to assemble up to 6 fragments in one step,...design primers for Gibson Assembly. For a simple example of using Gibson assembly, imagine that you want ...annealing and priming of neighboring assembly fragments. Gibson assembly is commonly used in synthetic biology...in 2013 found that Gibson assembly was one of the most commonly used assembly methods (Kahl 2013). However...cut out via CRISPR and then assembled into a vector using Gibson assembly. In this case the vector was...
  16. Synthetic Biology - Assembly Standards Guide

    Type
    Collection
    ...Synthetic Biology: Assembly Standards Guide SynBio Resources SynBio Home Browse All SynBio Assembly Standards ...cloning strategies for the assembly of synthetic parts include Gibson assembly and type IIS systems such...Assembly standards define standard prefix and suffix sequences that make it easy to combine components...networks. This is accomplished through the use of assembly standards – combinations of restriction sites ...prefix and suffix sequence at either end of the assembly, even as more parts are added. Therefore, the ...The following table provides information for the assembly standards most commonly used by part registries...primer design. The restriction enzymes used for assembly are the prohibited sites and must be omitted from...
  17. Bricking Science: Portraying Scientific Reality Through LEGO

    Type
    Blog Post
    ...started, the hardest part of the process was to embed personality in pieces of plastic, but it’s gotten...pictures, one for each position in a movement, and assembling the many pictures together to form the full movement...when we started was creating a LEGO stage that resembles a real laboratory. It only took one night to build...
  18. Western Blot

    Type
    Protocol
    ...Block the membrane in blocking buffer for 1 h at RT on a shaking platform. Wash the membrane 3x for 5 ...Incubate the membrane with secondary antibody for 60 min at RT on a shaking platform. Wash the membrane 3x for...incubate the membrane in the chemiluminescence reagent for 5 min at RT . Cover the membrane with clear ...ethanol into 8 mL of deionized water and mix well. Assemble the transfer sandwich as follows: Unseal the iBlot...in deionized water and place it on the transfer membrane of the bottom stack. Soak a piece of iBlot Filter...information before running your experiment. Remove the membrane from the transfer device and place it in a container... is typically between 1–10 μg/mL. Incubate the membrane overnight in primary antibody at 4 °C on a rocking...
  19. Protocols for Molecular Biology, Plasmid Cloning, and Viral Preps

    Type
    Protocol
    ...on an agarose gel Watch the Video! DNA Ligation Assemble DNA using DNA ligase Bacterial Transformation ... new window) Link to Video Restriction Cloning Assemble plasmids by restriction digest and ligation Cloning...Add a short stretch of DNA to a plasmid Gibson Assembly Combine overlapping DNA fragments in a single ...
  20. AAV Production in HEK293 Cells

    Type
    Protocol
    ...drifted. Filter the solution through a 0.22 μm membrane. Aliquot 500–1000 μL into sterile tubes. Store... pH to ~8.5 Filter sterilize through a 0.22 μm membrane. Store at 4 °C. Considerations Before You Start...supernatant as follows: Filter through a 0.45 μm PES membrane. Add 40% PEG such that the final PEG concentration...
  21. General Transfection

    Type
    Protocol
    ...drifted. Filter the solution through a 0.22 µm membrane. Aliquot 500–1000 µL into sterile tubes. Store...limited effect on cell growth. Last reviewed on: November 7, 2023...
  22. Protocol - Bacterial Transformation

    Type
    Protocol
    ... still get enough colonies for your next step. Remember that each of these shortcuts will reduce the efficiency...field is applied to the cell/DNA mixture to induce membrane permeability. To do this you will need to have...
  23. Using a Light Microscope Protocol

    Type
    Protocol
    ...started in the lab! Introduction Microscopes are emblematic of biological research and are found in many ...focus. Pro-Tip As you increase your magnification, remember that the objectives are larger. Adjust your focus...
  24. Pipetting Protocol

    Type
    Protocol
    ...pipette tip and using the pipette. Last Update: September 2022 Video Watch the video for tips on pipetting...preloaded into tip boxes. In either case, once assembled into their boxes, pipette tips can be sterilized...
  25. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ...Vector Addgene Plasmid 10878. Protocol Version 1.0. December 2006. Copyright Addgene 2006, All Rights Reserved... . 1996 272:263-267. PubMed . Asymmetry in the assembly of the RNAi enzyme complex. . Schwarz DS et. al...
  26. Troubleshooting and Optimizing a Western Blot

    Type
    Blog Post
    ... your membrane, run a double-membrane transfer with a psi membrane stacked behind the p membrane. If your...through the p membrane into the psi membrane, that’s a good indication that the p membrane pores are too...marked on the membrane (1) using the gel as a guide. The gel is then removed from the membrane (2) and the...troubleshoot.   Before you start… Mark your membrane! Membranes look the same from both sides, so it’s quite...appropriately sensitive. If using a PVDF membrane, you can dry the membrane, wet it with 20% methanol, and place...completely through the membrane or larger proteins not transferring completely onto the membrane. If you’re not...completely through your membrane to the other side), you can check by using two membranes during your transfer...
Showing: 1 - 40 of 642 results