Student Lab Section 6 E. Coli Genetic Transformation with pGLO Plasmid Introduction: Genetic transformation is where one organism takes on a characteristic from another organism (Bacterial Transformation 2013). For this experiment we used the bacteria E. Coli to take in foreign jellyfish DNA which will allow it to change genetic material. This experiment determines the effects that the plasmid pGLO has in transferring the Green Florescent Protein found in a jellyfish into the bacteria. It
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Transformation Of Escherichia Coli With pGLO Plasmid April 24‚ 2013 ABSTRACT: This experiment focuses on genetic engineering and transformation of bacteria. The characteristics of bacteria are altered from an external source to allow them to express a new trait‚ in this case antibiotic resistance. In is experiment foreign DNA is inserted into Escherichia coli in order to alter its phenotype. The goal of the experiment is to transform E. coli with pGLO plasmid‚ which carries a gene for ampicillin
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E. Coli Transformation with Plasmid (pGal)‚ pGal Isolation‚ and Analysis of Plasmid DNA Felicia Osadi Bio 22 April 20‚ 2012 Transformation = group 10 Plasmid = group 7 RFLP = group 1 RESULTS Table I. Plasmid Transformation of E. Coli. Plate # | Agar plate | Type | Result | 1 | X-gal | Control | Extensive lawn growth | 2 | Ampr / X-gal | Control | Clear no bacterial growth | 3 | Ampr / X-gal | Transformation | 1 blue colony | Transformation efficiency = 1 transformants
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Introduction Bacterial transformation is the permanent alteration of a bacterial cell genotype as a result of its uptake and incorporation of foreign DNA fragments from external medium (Anthony et al‚ 2008). In addition to chromosome‚ bacterial cells often contain extrachromosomal DNA called plasmids which are capable of autonomic replication and antibiotic resistance (Dale & Simon‚ 2010). Plasmids can transport foreign DNA into host or other bacterial cells hence they are known as vectors.
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Transformation of Bacterial Cells with Plasmid DNA Introduction: Transformation refers to the process in which the cell integrates foreign DNA to its genetic code‚ meaning it takes the genes and incorporates them into the cell’s current DNA. Cells that can do this naturally‚ most commonly bacteria and archea‚ are known as competent. The bacteria E. coli do not have high transformation competence under normal conditions‚ but can be manipulated to produce better results using
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Extraction and Analysis of Plasmid DNA from E. coli Cells Introduction A plasmid is an extra-chromosomal element‚ often a circular DNA. Since a plasmid is by definition an extra-chromosomal element‚ it cannot make use of any origin of DNA replication in a chromosome (BP site). Meaning that DNA synthesis within a plasmid depends on having an origin of DNA synthesis of its own. Plasmids are often found in bacterial cells‚ in which they are used as transfer agents for transmitting various antibiotic
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Mechanisms by which E.Coli Cells Developed Immunities toward Ampicillin due to Plasmid and DNA Consumption U34 Abstract During the ampicillin experiment the ability to transform cells to make them adaptable to their environment was studied. The E.coli bacterial cell was used in order to observe how its DNA was able to change and develop immunity towards ampicillin. In order for this change to occur the use of several plasmids was needed. The plasmids used in this experiment were
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proteins that are capable of deactivating or exporting the antibiotic (Liu‚ 2012). Over time the bacteria E. coli became resistant to the antibiotics‚ and once resistant then the medicine (penicillin) has no effect (Doughari 2012). The purpose of the experiment is to understand the processes by which genes can be inserted into plasmids‚ also to gain some experience in cloning genes via E. coli‚ lastly to understand the medicinal and other implications of gene transfer among organisms (Hoot‚ Wimpee
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E. coli Escherichia coli‚ more commonly known as E. coli‚ are a large group of bacteria. It lives in the digestive tracts of humans and also animals. There are many different types‚ such as enterohemorrhagic E. coli (EHEC) which causes bloody diarrhea. Some types cause urinary tract infections. One other specific type that is real common is called E. coli O157:H7. This type can cause severe anemia‚ kidney failure‚ or even death. The way you contract E. coli is coming into contact with feces from
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This experiment tested the growth of E.coli with inserted plasmid on an agar plate with Ampicillin. One colony of E.coli resistant to Ampicillin was grown during this experiment. The overall goal of the experiment was to successfully grow E.coli on the agar plate‚ which would show that the plasmid had been effectively inserted into the bacteria’s genes. This experiment helped students understand how plasmids were inserted into bacteria and used in real life situations. It also showed how the bacteria’s
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