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Showing: 21 - 32 of 32 results
  1. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    ...-fDIO mCherry 83900 AAVrg pAAV-mDlx-GFP-Fishell-1 Biosensors Plasmid Serotype Name 83899 AAVrg...pLVX-EF1alpha-SARS-CoV-2-N-2xStrep-IRES-Puro: Expression of the SARS-CoV-2 N protein  pLVX-EF1alpha-SARS-CoV...2xStrep-IRES-Puro: Expression of the SARS-CoV-2 M protein pLVX-EF1alpha-SARS-CoV-2-orf3a-2xStrep-IRES-Puro: Expression...the E protein (pLVX-EF1alpha-SARS-CoV-2-E-2xStrep-IRES-Puro) and NSP2 (pLVX-EF1alpha-SARS-CoV-2-nsp2-2xStrep-IRES-Puro...2xStrep-IRES-Puro) are also in the works in and should be come available in the next few weeks. CRISPRi...
  2. Plasmids 101: Restriction Cloning

    Type
    Blog Post
    ...you can transform 1-2μl of your ligation reaction into competent cells such as DH5alpha or TOP10. If using...well, so let’s go over the details step-by-step. 1. Digestion Set up restriction digests for your insert...recipient plasmid : insert ratio” of approximately 1:3. Since the number of base pairs for each varies,...at minimum, two transformations after a ligation: 1. Control Transformation containing the ligation mixture...result in few colonies on both plates (unsuccessful 1), in a vector alone plate with many more colonies ...them. An easy way to do this is gel purification. In gel purification, you use a voltage difference across...the eyes and skin. When running a gel for purification purposes it is important to have nice crisp bands...
  3. CRISPR Plasmids - Empty gRNA Vectors

    Type
    Collection
    ...Ebert pLKO.1-puro U6 sgRNA BfuAI stuffer 50920 Mammalian/Lentiviral BfuAI none S. pyogenes Puro Wolfe pL-CRISPR.EFS.tRFP... pLKO.1-puro U6 sgRNA BfuAI large stuffer 52628 Mammalian/Lentiviral BfuAI none S. pyogenes Puro Wolfe...Worm HindIII none S. pyogenes de Bono sgRNA with rpr-1 promoter 48961 Worm EcoRI none S. pyogenes de Bono...Zebrafish BseRI none S. pyogenes Zon pCRISPomyces-1 61736 Bacteria BbsI yes, cut S. pyogenes Apramycin...Chimeric_BB-CBh-hSpCas9-hGem(1/110) 71707 Mammalian hU6 yes, cut S. pyogenes Draetta pCAS1yl 73226 Other/...expression of Cas9, dCas9, or dCas9-VP64 along with 1-4 sgRNAs expressed from independent promoters. sgRNAs...for the expression of two gRNAs from Drosophila U6:1 and U6:3 promoters. Bullock pCFD5 Drosophila Utilizes...
  4. Plan Your Experiment

    Type
    Collection
    ...sequences containing a G nucleotide at position 20 (1 bp upstream of the PAM) may be more efficacious than...population. Some cells may be wild type due to either (1) a lack of gRNA and/or Cas9 expression or (2) a lack... in vitro and in vivo. Nature Biotechnology . 33 (1), 73–80. PMID: 25357182... Cas enzyme promoter can be constitutive (CMV, EF1alpha, CBh) or inducible (Tet-ON); U6 promoter is typically...embryos Cas9-gRNA ribonucleoprotein (RNP) complexes Purified Cas9 protein and in vitro transcribed gRNA are...
  5. Plasmids 101: Methylation and Restriction Enzymes

    Type
    Blog Post
    ...into account, the digest pattern depicted in Lane 1 would be expected for a XbaI/NotI digest. The program... these enzymes naturally occur in bacteria for purposes other than cloning or confirming plasmids. It ...cleave DNA. Common lab E. coli K12 strains such as DH5alpha contain 3 methylases that recognize and methylate...will cut? Whether performing a digest for cloning purposes or for diagnostics, we suggest double checking...–/dcm– strain of E. coli such as JM110 and re-purifying it. These specialized E. coli strains have been...
  6. Scientists Map the SARS-CoV-2-Human Interaction Network

    Type
    Blog Post
    ...faster. Years of science, done in weeks Figure 1: Sending out 80 FedEx envelopes in a single day --... 2xStrep-tag for easy detection and affinity purification. All but one are in a pLVX vector background... if you need to. Additionally, they have an IRES-Puro marker to facilitate stable cell clone selection...selection. Expression is driven by a fairly strong EF1alpha promoter. We have verified expression of correctly-sized...
  7. 5 Great Apps for Lab Life

    Type
    Blog Post
    ...instead conveniently provide them on your smart phone. 1. Lab Archives by LabArchives The single, most important... life is the lab notebook. Lab Archives is a multipurpose application that allows you to share your data...restriction site to a primer, you only need to skim the alphabet on the side of the screen to find the sequence...
  8. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    ...levels of DnaA to get the job done.   Figure 1: DNA melting by DnaA and IHF is the first step of ...plasmids may result in low yields during DNA purification. On the other hand, they also impose a lower... Mizobuchi, K. (1998). Copy number control of IncIalpha plasmid ColIb-P9 by competition between pseudoknot...
  9. Molecular Biology Reference

    Type
    Guide
    ...supE44 thi-1 gyrA96 relA1 tonA JM109 Addgene; Promega e14-(McrA-) recA1 endA1 gyrA96 thi-1 hsdR17(rK- ...galK2 lacY1 proA2 rpsL20 (StrR ) xyl-5 λ– leu mtl-1 Top10 Invitrogen F- mcrA Delta(mrr-hsdRMS-mcrBC) Phi80lacZM15...use, dilute your antibiotic into your LB medium at 1:1,000. For example, to make 100 mL of LB/ampicillin...Techniques in chemistry enable isolation and purification of cellular components, such as DNA, but practically...far too many to separate from each other for the purposes of isolating one specific DNA sequence. This obstacle...contain the minimum essential DNA sequences for this purpose, which includes a DNA replication origin, an antibiotic-resistance...have successfully taken up the plasmid for the purpose of expressing the insert. This is different than...
  10. Plan Your Experiment

    Type
    Guide
    ...sequences containing a G nucleotide at position 20 (1 bp upstream of the PAM) may be more efficacious than...population. Some cells may be wild type due to either (1) a lack of gRNA and/or Cas9 expression or (2) a lack... in vitro and in vivo. Nature Biotechnology . 33 (1), 73–80. PMID: 25357182... Cas enzyme promoter can be constitutive (CMV, EF1alpha, CBh) or inducible (Tet-ON); U6 promoter is typically...embryos Cas9-gRNA ribonucleoprotein (RNP) complexes Purified Cas9 protein and in vitro transcribed gRNA are...
  11. Plasmid Cloning by PCR (with Protocols)

    Type
    Protocol
    ...has error rates that range from roughly 1 per 500bp to roughly 1 per 10 million bp depending on the polymerase...you can transform 1-2μl of your ligation reaction into competent cells such as DH5alpha or TOP10. If using...recipient plasmid to insert ratio of approximately 1:3. Since the number of base pairs for each varies,...Vector by Gel Purification Run your digest DNA on an agarose gel and conduct a gel purification to isolate...isolate the DNA. When running a gel for purification purposes it is important to have nice crisp bands and ...and grow overnight cultures for DNA purification. After purifying the DNA , conduct a diagnostic restriction...TGCTTAGCGGCCGCTCAGTACTTCGAGATATGCCA-3’. Experimental Procedure Run PCR and Ppurify the PCR Product Run PCR to amplify your insert ...
  12. Plasmid Cloning by Restriction Enzyme Digest (with Protocols)

    Type
    Protocol
    ...you can transform 1-2μl of your ligation reaction into competent cells such as DH5alpha or TOP10. If using...recipient plasmid to insert ratio of approximately 1:3. Since the number of base pairs for each varies,...vector by gel purification Run your digested DNA on an agarose gel and conduct a gel purification to isolate...isolate the DNA. When running a gel for purification purposes it is important to have nice crisp bands and...and grow overnight cultures for DNA purification. After purifying the DNA , conduct a diagnostic restriction...digest is a commonly used lab technique. For the purposes of this tutorial we will discuss how to move a...plasmids. Because you lose some DNA during the gel purification step, it is important to digest plenty of starting...
Showing: 21 - 32 of 32 results