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| - | <h3>2. MIC</h3>
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| - | <h4 align=left>2.1. Theory </h4>
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| - | ////////////////////Testing plain
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| - | The E. trojan is a synthetic E.coli strain that is engineered to lack an essential gene, nadE, in its genomic DNA. To survive, this strain has to rely on a pre- introduced plasmid (pDummy) bearing the essential gene; thus forcing the bacteria to maintain the plasmid until an alternative source of nadE gene is present. The pDummy, however, has been designed to have a temperature- sensitive origin of replication which would cease to function if the bacterial cells are incubated under higher incubation temperatures (>42ᵒC???). For sub-cloning purposes, an E. trojan – compatible vector plasmid is designed. This carrier vector, like the pDummy, contains the nadE essential gene. Once a gene of interest is inserted into this vector, the plasmid can be transformed to the E. trojan for amplification. Incubating the transformed bacteria at a temperature high enough to inactivate the heat sensitive replication origin of the pDummy would result in pDummy loss, making it necessary for the cells to retain the insert- bearing pCarrier for survival. Bacterial cells that do not take up the pCarrier and its insert would be deprived of the nadE gene product and die; while those who do would survive and continue dividing.
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| - | The E. trojan is a synthetic E.coli strain that is engineered to lack an essential gene, nadE, in its genomic DNA. To survive, this strain has to rely on a pre- introduced plasmid (pDummy) bearing the essential gene; thus forcing the bacteria to maintain the plasmid until an alternative source of nadE gene is present. The pDummy, however, has been designed to have a temperature- sensitive origin of replication which would cease to function if the bacterial cells are incubated under higher incubation temperatures (>42ᵒC???). For sub-cloning purposes, an E. trojan – compatible vector plasmid is designed. This carrier vector, like the pDummy, contains the nadE essential gene. Once a gene of interest is inserted into this vector, the plasmid can be transformed to the E. trojan for amplification. Incubating the transformed bacteria at a temperature high enough to inactivate the heat sensitive replication origin of the pDummy would result in pDummy loss, making it necessary for the cells to retain the insert- bearing pCarrier for survival. Bacterial cells that do not take up the pCarrier and its insert would be deprived of the nadE gene product and die; while those who do would survive and continue dividing.
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| - | The E. trojan is a synthetic E.coli strain that is engineered to lack an essential gene, nadE, in its genomic DNA. To survive, this strain has to rely on a pre- introduced plasmid (pDummy) bearing the essential gene; thus forcing the bacteria to maintain the plasmid until an alternative source of nadE gene is present. The pDummy, however, has been designed to have a temperature- sensitive origin of replication which would cease to function if the bacterial cells are incubated under higher incubation temperatures (>42ᵒC???). For sub-cloning purposes, an E. trojan – compatible vector plasmid is designed. This carrier vector, like the pDummy, contains the nadE essential gene. Once a gene of interest is inserted into this vector, the plasmid can be transformed to the E. trojan for amplification. Incubating the transformed bacteria at a temperature high enough to inactivate the heat sensitive replication origin of the pDummy would result in pDummy loss, making it necessary for the cells to retain the insert- bearing pCarrier for survival. Bacterial cells that do not take up the pCarrier and its insert would be deprived of the nadE gene product and die; while those who do would survive and continue dividing.
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| - | The E. trojan is a synthetic E.coli strain that is engineered to lack an essential gene, nadE, in its genomic DNA. To survive, this strain has to rely on a pre- introduced plasmid (pDummy) bearing the essential gene; thus forcing the bacteria to maintain the plasmid until an alternative source of nadE gene is present. The pDummy, however, has been designed to have a temperature- sensitive origin of replication which would cease to function if the bacterial cells are incubated under higher incubation temperatures (>42ᵒC???). For sub-cloning purposes, an E. trojan – compatible vector plasmid is designed. This carrier vector, like the pDummy, contains the nadE essential gene. Once a gene of interest is inserted into this vector, the plasmid can be transformed to the E. trojan for amplification. Incubating the transformed bacteria at a temperature high enough to inactivate the heat sensitive replication origin of the pDummy would result in pDummy loss, making it necessary for the cells to retain the insert- bearing pCarrier for survival. Bacterial cells that do not take up the pCarrier and its insert would be deprived of the nadE gene product and die; while those who do would survive and continue dividing.
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| - | <h4 align=left>2.2. Experiments</h4>
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| - | <h4 align=left>2.2.1. Results & Analysis</h4>
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| - | <h4 align=left>2.3. Conclusion</h4>
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| - | <h2>Overview & Background</h2>
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| - | <br><br><br><br>
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| - | 2.1 Theory<br>
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| - | 2.2 Experiments <br>
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| - | 2.3 Conclusion <br><br>
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| - | Next on<a href=modeling.html>Modeling</a>
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| - | ///////////Photo if there's any
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| - | <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
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| - | /////////Photo if there's any
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