Preview

Isolated Dna Products Amplified Via Polymerase Chain Reaction and Cloned

Powerful Essays
Open Document
Open Document
3652 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Isolated Dna Products Amplified Via Polymerase Chain Reaction and Cloned
Isolated DNA Products Amplified
Via Polymerase Chain Reaction and Cloned

Biotechnology: DNA

WPUNJ
December, 2012

Abstract

Isolated DNA from mouse, plants, and plasmid DNA were used for Polymerase Chain Reaction (PCR) for DNA amplification. The purpose of this experiment was to study the success rate or optimization of PCR of DNA, using both manual and kit methods. This set of experiments gives an insight to the relative difficulties associated with the optimization of a variety of DNA/primer paired samples. Through this experimentation, researchers were successfully able to assess the issues and difficulties in both the manual and kit optimizations that were performed. Through this report, step by step methods used to achieve viable PCR product are discussed, along with different methods of trouble shooting and experiences through out the experimentation. The PCR product’s amplified DNA was then used for insertion into a plasmid vector system, which too resulted in various range of consequences and difficulties. Hence, the success rate and difficulties are viewed and analyzed through out this paper as experimenters try to achieve maximal desired PCR products associated with each protocol used.

Introduction

Polymerase Chain Reaction (PCR) is a technique used in molecular biology and biotechnology, to amplify a small amount of DNA in a reaction. This simple and inexpensive technique is a fundamental tool that focuses on the segment of given DNA and copies it over. Today, PCR is used in every day laboratories to study diseases, identify bacteria or viral DNA, and trace criminals.

To conduct a PCR reaction, a few critical elements are needed, such as: polymerase, primers, nucleotides, buffers, and the most crucial, the template that needs to be amplified. DNA polymerase, acquired from Thermis aquaticus, is the most important enzyme in this reaction, as it adds complementary bases to the template and binds to the region that needs to



Citations: 1. Alkami Biosystems Inc authors. 1999. Alkami Quick Guide for PCR. 52-59. 2. Center, Genetic Science Learning. PCR Virtual Lab Learn. Genetics. 3. Invitrogen. 2001. DNAzol Reagent Genomic DNA Isolation Reagent Protocol. 4. Invitrogen. PCR Optimizer Kit. Invitrogen Corp., modified September 8 2006. http://tools.invitrogen.com/content/sfs/manuals/pcroptim_man.pdf. Accessed 11/29/2012. 5. Lodish H, Berk A, Zipursky SL, et al. 2000. Molecular Cell Biology. 4th edition. New York: W. H. Freeman. 6. Marx, JL. 1988. Multiplying genes by leaps and bounds. Science 240:1408-10. 7. Mullis K, Faloona F, Scharf S, et al. 1986. Specific enzymatic amplification of DNA in vitro: the polymerase chain reaction. Cold Spring Harbor Symposium Quantitative Biology 51:263–73. 8. Promega authors. 2004. Isolating Genomic DNA from Plant Tissue. Wizard Genomic DNA Purification Kit Isolating Genomic DNA from Plant Tissue. p. 13-14. 9. Promega. 2009. Cloning PCR Products with pGEM-T and pGEM-T Easy Vectors. 10. QIAGEN. 2006. Protocol: Plasmid DNA Purification Using the QIAprep Spin Miniprep Kit and a Microcentrifuge. QIAGEN QIAprep Miniprep Handbook 2nd edition. 22-23.

You May Also Find These Documents Helpful

  • Better Essays

    Nt1310 Unit 1 Exercise 1

    • 1475 Words
    • 6 Pages

    Denaturation is carried on by heating the double-stranded DNA at 94°C to separate the complementary strands that will serve as template in further cyclings. Pre-denaturation is sometimes done at the same temperature to ensure complete separation of strands. Annealing then occurs upon rapid cooling of the solution, allowing oligonucleotide primers to hybridize to the template. In this phase, however, the single strands of the template are too long and complex to be able to completely reanneal spontaneously. The gene fragment to be amplified will completely form double-stranded fragments upon further cycling of this step and the extension step. The extension step involves heating of the reannealed DNA to 72°C, the temperature at which the thermostable DNA polymerase in the mix will operate most efficiently in synthesizing new DNA strands.…

    • 1475 Words
    • 6 Pages
    Better Essays
  • Better Essays

    Apush Unit 5 Review

    • 1238 Words
    • 5 Pages

    The purpose of this lab was to observe the different amount of distances each DNA samples travel when placed in a gel-electrophoresis box. Restriction endonucleases are critical tools in recombinant DNA methodology. Electrophoresis is the method of determining the size of fragments that are cut by restriction enzymes. These restriction enzymes always cut at their specific protein recognition sites. This is very useful in the sense that no two restriction enzymes codes for exactly the same recognition site, giving it a unique characteristic that is specific for a strand of DNA. Gel electrophoresis is a technique used to separate different sized fragments of DNA or RNA with the use of an electric field. When a molecule enters an electric field, the speed at which the molecule moves is influenced by several factors including: the charge of the molecule, the strength of the electrical field, the size and shape of the molecule, and the density of the medium (in this case the agarose gel) through which the molecule moves. Because of this, scientists are able to separate different groups of DNA or RNA molecules by first positioning all the molecules at a uniform starting point on the agarose gel and then placing the gel in a chamber containing buffer solution and electrodes. A buffer is a solution that adds extra ions to the gel enhancing the conductivity in the agarose gel matrix. Once in the chamber containing buffer solution and electrodes, the molecules of DNA will begin to migrate through the gel and form bands due to the negative charge of the phosphate groups in the backbone of DNA moving towards the positive electrode.…

    • 1238 Words
    • 5 Pages
    Better Essays
  • Good Essays

    AP Bio Ch. 20 Vocabulary

    • 538 Words
    • 2 Pages

    11. Polymerase Chain Reaction (PCR) – A technique for amplifying DNA in vitro by incubating with special primers, DNA polymerase molecules, and nucleotides.…

    • 538 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Lab Report Part II

    • 1247 Words
    • 4 Pages

    Background Information: The process begins with preparing a sample. Successful identification starts with using a sample that is considered to be good. The first step is to pick up a single colony and drop it into a microcentrifuge tube. A buffer is used to dissolve the cell wall in order to extract bacterial DNA. This step may take several hours. The proteolytic enzymes need to go before proceeding. Heating the sample in a water bath at 100 degrees Celsius denatures them. Next, cellular debris is spun down in the centrifuge and appears as a pellet at the bottom. The DNA is contained in the liquid, which is then transferred to the tube. To continue the process, PCR amplification is conducted. One must add PCR Master Mix solution to the sample DNA to prepare the polymerase chain reaction. The mix contains water, a buffer to keep the correct pH for the reaction; large quantities of the four nucleotides; large quantities of oligonucleotide DNA primers; and a heat-stable DNA polymerase. At the same time, one will prepare negative and positive control reactions. The positive contains positive control DNA while the negative contains sterile deionized water. Both contain the PCR solution. Once reaction tubes have been loaded onto the PCR machine, DNA replication starts. By doing this, one can know temperature, time remaining, cycle number, melt, anneal, and extend. The first step, melt, is to separate the two DNA chains in the double helix by heating the vial containing the PCR reaction mixture to 95 degrees Celsius for 30 seconds. The vial is cooled at 60 degrees Celsius. The final step, extend, is to allow the DNA polymerase to extend the copy DNA strand by raising the temperature to 70 degrees Celsius for 45 seconds. Separation of the strands, annealing the primer to the template, and the synthesis of new strands…

    • 1247 Words
    • 4 Pages
    Better Essays
  • Powerful Essays

    Elliot WH, Elliot DC: Biochemistry and Molecular Biology; Third Edition, 2005, Oxford University Press: New York, USA, Page 263.…

    • 1779 Words
    • 8 Pages
    Powerful Essays
  • Better Essays

    10. PCR is a technique that basically amplifies a sequence of DNA over several orders of magnitude so that it might be detected or…

    • 1001 Words
    • 5 Pages
    Better Essays
  • Better Essays

    Chelex Lab Report

    • 1143 Words
    • 5 Pages

    The cheek cells were re-suspend in the Chelex, after which 500µl of the re-suspended solution was transferred into a 1.5ml eppendorf tube. The tube was incubated in boiling water for 10 minutes, centrifuged again to pellet the Chelex beads and 100µl of the supernatant was transferred to a fresh eppendorf tube. In order to access the purity and concentration of the DNA sample, the NanoDrop 2000 was used with the accompanying Nanodrop 2000/2000c operating software. Reagents Amount(µl) Diluted template DNA stock (DNA diluted using TEA buffer to obtain a concentration of 10ng/µl) 2.50 Taq 2x Master Mix 12.50 Amelogenin Forward Primer(10µM)…

    • 1143 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Bio208 Genetics Lab

    • 1750 Words
    • 7 Pages

    EXPERIMENT OBJECTIVE: The objective of this experiment is for students to gain handson experience in the principles and practice of Polymerase Chain Reaction (PCR).…

    • 1750 Words
    • 7 Pages
    Good Essays
  • Good Essays

    The aim of this experiment is to investigate the process of Electrophoresis and successfully analyse DNA fragments.…

    • 1259 Words
    • 6 Pages
    Good Essays
  • Good Essays

    The isolated plasmid DNA will then be run on an agarose gel to determine the size of it. Tracking dye will be added to the solution which contains glycerol that will weigh the samples down in the wells.…

    • 1348 Words
    • 6 Pages
    Good Essays
  • Good Essays

    Colon Cancer Report

    • 889 Words
    • 4 Pages

    PCR is performed in order to amplify a specific section of DNA and is especially helpful when looking for one trait in particular.…

    • 889 Words
    • 4 Pages
    Good Essays
  • Better Essays

    Dna Cloning

    • 1352 Words
    • 6 Pages

    DNA cloning refers to the process of making multiple copies of a DNA fragment. For the past weeks we have conducted a set of experiments that allow us to clone a specific gene in drosophila. First we started by the process of DNA extraction, which allowed us to isolate the genomic DNA from D. Melanogaster. This process requires the use of lysis in other to extract the DNA and RNA. After extracting the DNA, we it is important to use PCR amplification in order to amplify the DNA template to produce a specific DNA fragment. Another important step in DNA cloning is plasmid isolation. Plasmid isolation allows us to extract a plasmid from a bacterial cell (E.coli). In our experiments, we had to amplify either the 18S rRNA or the actin gene found in D. Melanogaster.…

    • 1352 Words
    • 6 Pages
    Better Essays
  • Best Essays

    The capacity to segregate and amplify individual genes from an intricate genome using recombinant DNA technology technique like PCR has profoundly influenced ways scientists explored the obscurities in biology. Some of the major accomplishments of Recombinant DNA technology include the synthesis of medically essential proteins like insulin and developing new vaccines routes (Kingsman and Kingsman, 1988; Primrose et al., 2001).…

    • 4373 Words
    • 18 Pages
    Best Essays
  • Good Essays

    On the picture below, we can clearly see some similarities between child and Larry, so Larry, not Bob, is the father…

    • 685 Words
    • 3 Pages
    Good Essays
  • Better Essays

    DNA In Forensic Science

    • 1079 Words
    • 4 Pages

    "PCR Introduction." NCBI. U.S. National Library of Medicine, 28 Oct. 2009. Web. 01 Nov. 2013.…

    • 1079 Words
    • 4 Pages
    Better Essays