Bacteria Transformation - Activity - TeachEngineering During DNA cloning, a new gene is inserted into a loop of bacterial DNA called a plasmid. This protein gives an organism a particular trait. What is Transformation? pGLO Bacterial Transformation Kit Bio-Rad pGLO Kit Advantages Standards-based Comprehensive curricula for inquiry-based investigations Compatible with 50 minute class periods Serves entire class of 32 students (up to 4 students per group) Cost-effective Success in student's hands Safe Striking results! Remember that a gene is a piece of DNA which provides the instructions for making (codes for) a . With advancements in biotechnology, we can now transform E.Coli to express the GFP gene and glow under a green light. The first thing we did was obtain vinyl gloves to protect us from the E. Coli that we worked with throughout the entire lab. Students will: Make bacteria growth media; Streak agar plates for single colonies of bacteria; Transform E.Coli with the pGLO plasmid; Grow transformed bacteria; Control expression of GFP gene; Lab skills learned: Streak bacteria to isolate single colonies Express the pGlo protein. Warm selection plates to 37C. The large, fluorescent, pGLO-transformed colonies are producing and secreting -lactamase, an enzyme that breaks down ampicillin. What is the transformation efficiency of E.Coli HB101 when using transformation protocol? pGLO is a genetically modified plasmid that primarily contains three genes (with the origin of replication). To move the pGLO plasmid DNA through the cell membrane you will: 1. 4. Bacterial Transformation with pGlo Overview Transformation= modification of a bacterium by the uptake and incorporation of exogenous DNA Determine the transformation efficiency of the competent cells. green fluorescent protein. Bacterial Lawn. Bacterial Transformation with pGlo Overview 2. . Bacterial Transformation - . amount of cells used in the experiment . Your task: 1. Transformed cells will appear white (wild-type phenotype) on plates not containing arabinose, and fluorescent green under UV light when arabinose is inckr'ed in the nutrient agar medium. In Weedman's genetic transformation experiment, we attempted to determine whether pGLO was a successful plasmid to transfer GFP into E. Coli DNA. pGLO Transformation and Purification of Green Fluorescent Protein (GFP) Instructors Stan Hitomi Coordinator - . pGLO Bacterial Transformation Kit Catalog Number 166-0003EDU explorer.bio-rad.com For Technical Service Call Your Local Bio-Rad Office or in the U.S. For this system we have adapted a commercial vector pGlo, which expresses a proprietary form of GFP under control of arabinose. E. coli is the most common bacterial species used in the transformation step of a cloning workflow. This transformation procedure involves three main steps. Selection for cells that have been transformed with pGLO DNA is accomplished by growth on ampillicin plates. Do the genetic transformation. TRANSFORMATION PROCEDURE: Prepare the E. coli bacteria to absorb the pGlo plasmid. Call 1-800-4BIORAD (1-800-424-6723) pGLO araC GFP bla ori Store components of this kit at room temperature. Then we obtained two micro centrifuge tubes and labeled one +pGLO and the . The real-life source of this gene is the bioluminescent jellyfish Aequorea victoria, and GFP causes the jellyfish to fluoresce and glow in the dark. Test effect of various components of the transformation protocol: plate ampicillin concentration . This protein gives an organism a particular trait. Place the tubes on ice. The two Biotechnology Explorer kits used in this application, pGLO Bacterial Transformation Kit (166-0003EDU) and pGLO SDS-PAGE Extension kit(166-0013EDU) Your task: 1. One tube will not get the pGlo plasmid so that E. coli bacteria is used as a control. As shown in the animation, the plasmid is first cut with a restriction enzyme so that the gene of interest, which is isolated from another organism, can be inserted into the loop. Shake vigorously (250 rpm) or rotate. The pGLO System With the pGLO transformation kit, students use a simple procedure to transform bacteria with a gene that codes for Green Fluorescent Protein (GFP). what is transformation?. Use a sterile loop to pick up 2-4 large colonies of bacteria from your starter plate. It occurs when a cell takes up (takes inside) and expresses a new piece of genetic materialDNA. Duplication of any part of this document is permitted for classroom use only. Shock Transformation Protocol (for Bacteria) Griffith's Experiment: Bacterial Transformation Molecular Biological Analysis Practical 6: Bacterial transformation Bacterial Transformation and XL1 Blue-White Screening Lab Bacterial transformation - investigation 8 Bacterial transformation pGreen Bacterial Transformation Use a transformation solution of CaCl 2 (calcium chloride) 2. pGLO Bacterial Transformation The pGLO plasmid has been designed to express green fluorescent pigment (GFP). This new genetic information often provides the organism with a new trait. pGLO Bacterial Transformation Practical Genetic transformation literally means change caused by genes. By the end of the lab activity and analysis you will understand one method of biotechnology (transformation) that scientists use to genetically modify organisms. overview: what is. The transformed colonies eventually create an ampicillin-free zone surrounding each colony. LB (-PGLO) These bacteria simply had LB as sustenance, and were able to grow as a lawn. With the tools and lab protocol provided, you will be able to perform genetic transformation. You will be provided with the tools and a protocol for performing genetic transformation. Gravity. Bio Rad pGLO Protocol.pdf Student Manual pGLO Transformation pGLO Bacterial Transformation Kit . 2) Pipette approximately 250L of CaCl2into each tube and place them on ice for 2 minutes. 1. Practical Environmental Bioremediation R. Barry King 1997-12-29 Bioremediation, or enhanced microbiological treatment, of environments contaminated with a variety of organic and inorganic compounds is one of the most 1. 2. Methods of Transformation . Remember that a gene is a piece of DNA which provides the instructions for making (codes for) a protein. Transformation Procedure Overview Day 1 Day 2 10. . . pGLO Transformation Introduction to Transformation In this lab you will perform a procedure known as genetic transformation. Bio-Rad's pGLO plasmid can be used to help illustrate and teach the central dogma of biology, from the transformation of DNA to the expression of a protein to the visualization of a trait. Introduction: The purpose of this lab was to observe the effects of the pGLO plasmid on various colonies of E. coli bacteria. Label one closed micro test tube +pGLO and another -pGLO. Transformation Procedure Overview Day 1 Day 2 . Place the tube back in the tube rack in the ice. Your task will be to: 1. +pGLO +pGLO-pGLO-pGLO Transformation Solution 250 l AL LESSON 2. Introduction: The purpose of this lab was to observe the effects of the pGLO plasmid on various colonies of E. coli bacteria. Student Manual pGLO Transformation Lesson 1 Introduction to Transformation In this lab you will perform a procedure known as genetic transformation. These steps are intended to introduce the plasmid DNA into the E. coli cells and provide an environment for the cells to express their newly acquired genes. d. Using the number of colonies on the LBlamplara +DNA plate, calculate the transformation efficiency (Hint: The units are transformantslug of PGLO DNA) e. According to the manual supplied by Bio-Rad Laboratories, this protocol should yield a transformation efficiency between 8.0 x 10 and 7.0 x 10' transformed cells per microgram of PGLO DNA. What is Transformation? 3. With the pGLO Transformation Kit, students use a simple procedure to transform bacte- ria with a gene that codes for a Green Fluorescent Protein (GFP). length of time cells/DNA mix is kept at 42 C during the experiment Place at 37C for 60 minutes. Student Manual pGLO Transformation Lesson 1 Introduction to Transformation In this lab you will perform a procedure known as genetic transformation. pGLO is a genetically modified plasmid that primarily contains three genes (with the origin of replication). By the end of the lab activity and analysis you will understand one method of biotechnology (transformation) that scientists use to genetically modify organisms. . pGLO Transformation Procedure Overview: Your group will insert a plasmid containing several genes into competent E. coli cells so that the bacteria produce more copies of the plasmid and also express two of the genes on the plasmid. Please see pGLO Transformation Flow Chartfor a simple overview 1) Label 2 microcentrifuge tubes, one -pGLO and the other +pGLO. Spread 50-100 l of each dilution onto a selection plate and incubate overnight at 37C. Following the transformation with Bio-Rad's GFP purification kit, students purify the genetically. Amplify the pGlo expression vector. The protocols for preparing competent cells vary by whether transformation is to be achieved via heat shock or electroporation. Place them in the foam tube rack. Research Question: With the tools and lab protocol provided, you will be able to perform genetic transformation. plate arabinose concentration . lab #10: molecular biology. The first is an ampicillin (antibiotic) resistance gene that allows the . Transformation and Antibiotic Selection: Genetic transformation in this laboratory will be facilitated by using the pGLO plasmid (see below). Transformation Procedure Overview Day 1 Day 2 . As pGlo belongs to the common origin/group pMB1/ColE1, both compatible and incompatible combinations with the chaperone-expressing vector could be . Transformation efficiency = 1.1875 x 10^2 transformants/ug. Complete genetic transformation by following lab procedures 2. A plasmid is a circular, self- 2 Why is transformation important? Using a new sterile loop, repeat for the -DNA tube. Pglo Transformation Lab Report. The gene codes for a Green Fluorescent Protein which causes the jellyfish to fluoresce and glow in the dark. purpose of this lab. Extension Activity II: Tweaking the Transformation Protocol. . The basic yeast transformation protocol we used is as follows: 1. . Follow protocol . 3) Following icing, obtain an E. Colicolony from the starter plate for each tube, and mix it into the CaCl2solution. The first is an ampicillin (antibiotic) resistance gene that allows the . Complete genetic transformation by following lab procedures 2. Using pGLO to transform bacteria, students can actually observe gene expression in real time. change in molecular biology, change . Remember that a gene is a piece of DNA which provides the instructions for making (codes for) a protein. pages: 66 size: 600.69 kb december 13, 2012 Teacher Manual Pglo Transformation Answers Page 11/55 The GFP gene was first isolated from jellyfish. pGLO plasmid . The satellite colonies don't have the plasmid or the amp resistance, but they grow in the amp-free zone. Hands-on genetic engineering from handling plasmids to performing heat shock and plating the transformants, students perform the same transformation protocol used by scientists on a daily basis around the world Visible, dramatic phenotype bacteria transformed with pGLO glow a brilliant fluorescent green under UV light. A successful transformation will result in the expression of the green fluorescent protein (GFP) in the bacteria, causing them to glow bright green under long-wave UV light. Pick up the +DNA tube and immerse the loop into the Transformation Solution at the bottom of the tube. Bacterial Transformation Protocols Find more protocols and selection guides in the Molecular Biology Guide . Pglo Transformation Answers ext: pdf date: 2015-06-16 teacher's answer guide lesson 1 focus questions 1. to genetically transform . amount of plasmid DNA used in the experiment . Follow protocol Since the natural competency of E. coli is very low or even nonexistent, the cells need to be made competent for transformation by heat shock or by electroporation.. teacher manual pglo transformation answer key - student manual pglo transformation. Follow protocol View pGLO_Transformation.ppt from ECE 4371 at Jordan University of Science & Tech. The real-life source of this gene is the bioluminescent jellyfish Aequorea victoria . anita beebe, judy king and sr. clare marie klein. Bacterial Transformation with ( pGLO Plasmid) - . Transcription . learn how to insert a . Genetic transformation literally means "change caused by genes . Pglo Transformation Lab Report. Mix the cells thoroughly by flicking the tube and inverting, then perform several 10-fold serial dilutions in LB or SOB. Methods of Transformation . Total number of glowing colonies on LB/AMP/ARA plate = 19. Period 2 Group H Student Names: Dooie Doh, Saloni Patel, Thomas Morrow, Emily Chien. Genetic transformation is used in many areas of biotechnology. pGLO plasmid . revised exercise on transformation in bacteria using pGLO to introduce students to this important technique. Label both tubes with your group's name. This protocol has been . Spin the loop with your index finger and thumb until the entire colony is dispersed in the Transformation Solution (no floating chunks).
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