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We narrowed to 821 results for: LAS

Showing: 221 - 230 of 821 results
  1. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ... in one place. Plasmid mapping These tools are for viewing, editing or making plasmid maps, but can also...make plasmid maps. Free for academic users. Serial Cloner: Free desktop-based software for plasmid design...design and mapping. ApE (A plasmid Editor): A free, donation-based plasmid analysis tool including editing...Utah.   Figure 1: A plasmid map created in SnapGene of Blue Flame plasmid pET21a-BirA.   DNA / ...Primer design. Plasmid mapping. DNA sequence analysis. We all have our favorite tools for tackling these...The free SnapGene Viewer is great for looking at plasmid maps and viewing sequencing traces, while the paid... paid version provides more tools for plasmid mapping and design (Figure 1). Benchling: While you might...
  2. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ...transfer plasmid), the envelope (Env) gene on a separate plasmid (envelope plasmid), and the polymerase ...different plasmids. For a retroviral system this looks like the genetic cargo in one plasmid (the transfer...Gag structural protein on yet a third plasmid (packaging plasmid). Viral production then proceeds by transfection... transfection of all three plasmids into a producer cell line, such as HEK-293T, production of viral particles... and Pol genes are not encoded in the transfer plasmid, the component that physically integrates into ... retroviral packaging components onto distinct plasmids for safety.    Viral cargo-specific safety.... (AAVS1)). For these reasons, AAV is usually classified as a BSL-1 safety level. Adenovirus is similar...
  3. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    Published
    Oct. 18, 2018, 12:37 p.m.
    ...blog posts on plasmid cloning Resources on Addgene.org Read our protocols for plasmid cloning Find our... from the MRC Laboratory of Molecular Biology. Plasmid cloning is an essential part of any molecular biology... techniques involve the assembly of a circular plasmid in vitro, before transforming it into E. coli for... propagation. However, while not widely known, plasmid assembly can be achieved in vivo using a bacterial...cloning tool was first reported over 25 years ago (Douglas and Howard, 1991, Bubeck et al., 1993). But why...can be encoded in the primer sequences. Multiple plasmids can be included in a single PCR, for example for...linear fragments are transformed into E. coli and plasmid assembly (re-circularization) occurs in vivo. We...
  4. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    Published
    March 17, 2016, 2:30 p.m.
    ...encoded on separate plasmids and are co-transfected into cells alongside a plasmid encoding the minigenome...four viral genes in the same plasmid (as opposed to four separate plasmids), there are a few reasons arguing...separate (and thus smaller) plasmids. Finally, having four separate plasmids allows researchers to partially... 2 μg minigenome plasmid per well (in a 6 well plate format). However, since plasmid quality and transfection...Minigenome System). From a more technical standpoint, a plasmid with all four genes and necessary control elements...relatively large. Cloning the viral genes in this plasmid would be more difficult compared to if each gene...Technical tips It is important that all of these plasmids (those containing NP, VP35, VP30, L, and the minigenome...
  5. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ... N-methylpurine DNA glycosylase (MPG), also known as alkyladenine DNA glycosylase (AAG). When adenine ... MPG / AAG N-methylpurine DNA glycosylase / alkyladenine DNA glycosylase  Removes hypoxanthine from DNA...In our last post, we talked about the first base transversion editors: CGBEs, or C → G Base Editors. ...using either fused or endogenous Uracil DNA N-glycosylase (UNG) enzymes. Various other proteins included... (Y = T or C) base editor, which they called glycosylase-based guanine base editor (gGBE) (Tong, Liu, ...Editor Converts C → G by fusing a uracil DNA glycosylase to a CBE; the first type of base transition editor...apyrimidinic (AP) site. UNG / UDG Uracil DNA N-Glycosylase Removes uracil from DNA, creating an abasic site...
  6. Addgene: The First Twenty Years

    Type
    Blog Post
    Published
    Dec. 19, 2024, 2:15 p.m.
    ...about the amazing years in front of us. So in our last celebratory moment, we wanted to walk through some...on Twitter. In the beginning Let’s take a quick flash back to 2004. “Shrek 2” was the most popular movie...frustrated by the difficulty of accessing published plasmids from other scientists. She, Kenneth Fan, and Benjie...nonprofit that would facilitate the sharing of plasmids between scientists. The service would allow people...Addgene before we were a “labhold” name. Our first plasmid request came on September 8, 2004, for pcDNA-p160MBP... our first major repository milestone — 10,000 plasmids deposited and available — and nearly seven before...possible for scientists to both deposit and request plasmids, was a major focus of our first decade. We did...
  7. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...summer or just a bright new plasmid. One area with lots of bright new plasmids is our Fluorescent Biosensors... for AAV packaging.    Find iGECInano plasmids here!   Matlashov ME, et al. Design and Initial Characterization... latest additions to Addgene’s catalog is a new class of sensors for neuropeptides and neurotransmitters...SF-iGluSnFR. Image from Aggarwal 2022.   Find iGluSnFR3 plasmids here! Find viral prep here: pAAV.hSyn.FLEX.iGluSnFR3.... 2022, under CC-BY-NC license.   Find JEDI-2P plasmids here! Find viral preps here: pAAV-EF1a-DIO-JEDI...signaling Receptor tyrosine kinases (RTKs) are a major class of signaling receptors, but the options for measuring...reporter, they observe fluorescence localizes to the plasma membrane only when the RTK is activated and the...
  8. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    Published
    June 23, 2016, 2:30 p.m.
    ...given protein? Classical methods for studying protein phosphorylation A number of classic methods exist...expression plasmid encoding the ORF to be expressed Finally, the researcher needs a plasmid encoding their...#68306 pCRT7 NT TOPO E17TAG GFP plasmid - Addgene #68295 SupD plasmid – Addgene # 68307 For further technical...Find Synthetic Biology Plasmids Find Bacterial Expression Systems Find Plasmids for Protein Purification... methanogenic archea: these organisms lacked a classic cysteinyl tRNA synthetase, despite abundant incorporation...strain for protein production, and an expression plasmid encoding the open reading frame (ORF) of interest...translation of pSer-incorporated proteins on a single plasmid. This includes 4 copies of a tRNA that specifically...
  9. PEI Calculator for Planning AAV Packaging Transfections

    Type
    Blog Post
    Published
    Jan. 23, 2018, 2:04 p.m.
    ...names of the plasmids you plan to use Enter the base pair size of those plasmids Enter plasmid concentration...ratios below: 1 Transfer Plasmid : 1 pHelper: 1 RepCap OR 3 Transfer Plasmid : 5 pHelper: 2 RepCap Select...of each plasmid needed per dish or stack. Calculations are based on using 28 μg of total plasmid (Transfer...per 15 cm dish or 2500 μg of plasmids per CF5 stack. Total ug of each plasmid needed for the whole experiment...packaging typically requires transfecting three plasmids at specific molar ratios. To get these ratios ...transfection calculator for AAV packaging Select the plasmid molar ratio you would like to use for your AAV ...experiment Total volume (μL) of plasmid needed for the whole experiment And here’s the equation the calculator...
  10. New and Upcoming Viral Vectors - June 2019

    Type
    Blog Post
    Published
    June 18, 2019, 1:15 p.m.
    ...Chemogenetics Plasmid Serotype Name 119472  AAV5  AV SYN PSAM4 GlyR IRES EGFP   Biosensors Plasmid Serotype...Here are some of the AAV we have released in the last few months. You can also browse our entire AAV inventory...inventory of serotype testing AAV New control AAVs Plasmid Serotype Name 105530  AAV1 pAAV.CMV.PI.EGFP.WPRE.bGH...biosensor AAV inventory New glutamate sensors Plasmid Serotype Name 106176  AAV1  pAAV.hSynapsin.SF-iGluSnFR.S72A...pAAV.hSynapsin.SF-iGluSnFR.S72A New calcium sensors Plasmid Serotype Name 104496  AAV1 pGP-AAV-CAG-FLEX-jGCaMP7f-WPRE...pAAV-hSynapsin1-FLEx-axon-GCaMP6s New voltage sensors Plasmid Serotype Name 119036  AAV1  pAAV-hsyn-flex-Voltron-ST...of DREADDs / Chemogenetics AAVs New DREADDs Plasmid Serotype Name 75033  AAV1 pAAV CD68-hM4D(Gi)-...
Showing: 221 - 230 of 821 results