Chapter 8 Slide

Chapter 8 Slide - BIO 205 Chapter 8 Gene Transfer, Genetic...

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BIO 205 Chapter 8
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Gene Transfer, Genetic Engineering, and Genomics
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Genetic Recombination in Prokaryotes
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Genetic Information in Prokaryotes Can Be Transferred Vertically and Horizontally Vertical gene transfer (VGT) is the transfer of genetic material from parent cell to daughter cell Horizontal gene transfer (HGT) is the transfer of DNA from a donor cell to a recipient cell
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Transformation Is the Uptake and Expression of DNA in a Recipient Cell By integration of a new DNA fragment, the recipient has gained some ability it previously lacked Transformation was first described by Frederick Griffith in 1928 Competence is the ability of a recipient cell to take up DNA from the environment
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Conjugation Involves Cell-to-Cell Contact for Horizontal Gene Transfer In conjugation, a donor cell transfers DNA directly to the recipient The donor cell forms a conjugation pilus to make contact with the recipient Bacterial conjugation in E. coli
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The F factor DNA in the donor replicates by the rolling- circle mechanism
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This note was uploaded on 04/17/2009 for the course MIC 201 taught by Professor Lacroix during the Spring '08 term at Rhode Island.

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Chapter 8 Slide - BIO 205 Chapter 8 Gene Transfer, Genetic...

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