Skip to main content
Addgene
Showing: 1 - 20 of 29 results
  1. Protocol - How to Perform Sequence Analysis

    Type
    Protocol
    ...indicate bases at specific locations, by looking at the trace file, you will see that these base calls are...any of the 4 bases. Check the trace file and see if you can manually call the correct base at the position...sequencing reaction will produce between 300-900 base pairs of useable sequence. You should receive your...peaks corresponding to one of the four nucleotide bases. This is an example of a trace file from a high-quality...the trace file below, you can see that just after base 70 there are multiple peaks in the same location...you more information than simply looking at the bases provided by your sequencing provider. My sequence...
  2. Plasmid Cloning by PCR (with Protocols)

    Type
    Protocol
    ... You can generally add any 6 bases, but you should ensure that the bases do not result in the formation...Since the number of base pairs for each varies, it is difficult to calculate this based on DNA concentration...Sequencing PCR based cloning carries a much higher risk for mutation than restriction enzyme based cloning. ...DNA Ligation Bacterial Transformation Summary PCR based cloning is incredibly versatile and allows for nearly...limitations. Background In its simplest form, PCR based cloning is about making a copy of a piece of DNA... a recipient plasmid. Designing Primers for PCR Based Cloning The basic PCR primers for molecular cloning...cloning consist of: Leader Sequence: Extra base pairs on the 5' end of the primer assist with restriction...
  3. Ligation Independent Cloning

    Type
    Protocol
    ...traditional cloning methods. In traditional cloning, base-pairing in the short overlapping regions (usually...overhangs of varying length (typically 10-12 bp) based on a specific sequence. The annealed but nicked ...in the reaction, meaning that T4 Pol will remove bases from the 3' end of the cut site until the first ...only the 5' primer is shown here. Note: Use web-based primer design software to ensure a melting temperature...presence of dCTP (not dGTP), corresponding to the first base removed by the restriction digest to create the ...
  4. Protocol - How to Design Primers

    Type
    Protocol
    ...termed a mixed site. One can also use a nucleotide-based molecular insert (inosine) instead of a regular ... have the following properties: Length of 18-24 bases 40-60% G/C content Start and end with 1-2 G/C pairs...site at the 5’ end of your primer, note that a 3-6 base pair "clamp" should be added upstream in order for...
  5. Protocol - How to Purify DNA from an Agarose Gel

    Type
    Protocol
    ... allows you to isolate and purify DNA fragments based on size. The procedure starts with standard agarose...electrophoresis, which separates DNA by their length in base pairs. Following electrophoresis, you can cut DNA...molecular cloning, such as PCR - or restriction enzyme -based cloning. Protocol: Gel Purification Follow the Agarose...
  6. Plasmid Cloning by Restriction Enzyme Digest (with Protocols)

    Type
    Protocol
    ...Since the number of base pairs for each varies, it is difficult to calculate this based on DNA concentration...restriction sites to flank your insert : You can use PCR Based Cloning and add restriction sites to the ends of...
  7. Video Library

    Type
    Protocol
    ... allows you to isolate and purify DNA fragments based on size. Following gel electrophoresis, you can ...molecular cloning, such as PCR- or restriction enzyme-based cloning. Purifying DNA from an Agarose Gel Protocol...
  8. Protocol - How to Perform a Diagnostic Digest

    Type
    Protocol
    ... performing either PCR - or restriction enzyme -based cloning to test individual clones before use of ... what it should be. A useful restriction enzyme based technique for verifying plasmids like this is "plasmid...
  9. Centrifugation

    Type
    Protocol
    ...type of centrifuge needed. This decision should be based on the size of tubes you are using and the speed...than water, then you may need to fill the blank based on weight instead of volume. Pro-Tip For microfuge...
  10. Protocol - How to Ligate Plasmid DNA

    Type
    Protocol
    ...ends are compatible, meaning that the overhanging base pairs on the vector and insert are complementary... to adjust the amount of DNA used in a ligation based on the length of the DNA to get a proper ratio of...
  11. Protocol - pLKO.1 – TRC Cloning Vector

    Type
    Protocol
    ...Target cells Varies based on your experiment Culture media for target cells Varies based on your experiment...the oligos below. Do not change the ends; these bases are important for cloning the oligos into the pLKO...experiment Materials for assay Varies based on your experiment Detailed protocols for preparing polybrene, protamine...your cells. However, you should optimize the time based on your cell line and assay: Assay Days post-infection...of pLKO.1 TRC-cloning vector. The vector is 8901 base pairs total, and the stuffer insert is shown in ...
  12. Using a Light Microscope Protocol

    Type
    Protocol
    ...microscope with labels. Created with BioRender.com. Base Light Source Condenser and Diaphragm Stage Objective...carry it with two hands - one hand supporting the base and the other holding the arm - or use a cart. Revolve...
  13. DNA Quantification

    Type
    Protocol
    ...accurately measure the concentration of a substance based on its absorbance, you need to know the wavelength...
  14. What is Polymerase Chain Reaction (PCR)

    Type
    Protocol
    ...the PCR is complete, the product can be verified based on size by gel electrophoresis . Protocol Video ...hydrogen bonds are broken between the nucleotide base pairs. The initial denaturation step is commonly...temperature (Tm). Set extension step at 1-2 minutes per kilobase of product depending on whether you are using ...
  15. AAV Production in HEK293 Cells

    Type
    Protocol
    ...will drift pretty rapidly upon addition of acid or base. Add only a few drops at a time. Allow them to mix... mg of DNA or 2000 μg. Using the total number of base pairs from all three plasmids, we can determine ...
  16. General Transfection

    Type
    Protocol
    ...will drift pretty rapidly upon addition of acid or base. Add only a few drops at a time, allow them to mix...
  17. Lentivirus Production

    Type
    Protocol
    ...solution will drift rapidly upon addition of acid or base. Add only a few drops at a time, allow them to mix...
Showing: 1 - 20 of 29 results