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Colossians 1:16, 17

Colossians 1:16, 17 16 For by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him:

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Colossians 1:16, 17

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  1. Colossians 1:16, 17 16 For by him were all things created, that are in heaven, and that are in earth, visible and invisible, whether they be thrones, or dominions, or principalities, or powers: all things were created by him, and for him: 17 And he is before all things, and by him all things consist.

  2. Bacterial Genetics Timothy G. Standish, Ph. D.

  3. Cell Wall Cell Membrane Cytoplasm Origin of Replication Chromosome Termination of Replication Bacteria Have Circular Chromosomes

  4. Replication goes in both directions Original Chromosome Start of replication Theta (q) structure Mid replication End of replication Two chromosomes Replication

  5. Binary Fission Revisited

  6. Genetic Recombination • If bacteria were incapable of genetic recombination, all members of a given species would be clones with differences arising only due to mutations in different lines • If bacteria could not share genetic information as other organisms do in sexual reproduction, there would be vastly less opportunity to adapt to different environments • As it turns out, bacteria are notorious for their ability to adapt, thus it is not surprising that elegant mechanisms exist for sharing genetic information

  7. Ways Bacteria Exchange Genetic Material • Transformation - Bacteria take up DNA from their environment and incorporate it into their genome (i.e., the Griffith experiment) • Transduction - Movement of DNA between bacteria by viruses • Conjugation - The direct transfer of DNA by bacteria usually via plasmids

  8. Transformation Crossing over Insertion

  9. Destruction of the bacteria’s DNA Infection Replication of the viral genome Production of viral parts Packaging Lysis TransductionGeneralized

  10. Temperate Phage Part of the bacteria’s DNA Replication of the viral genome Production of viral parts Packaging Lysis TransductionSpecialized

  11. F plasmid F- bacteria Conjugation F+ bacteria Mating Bridge

  12. F plasmid Conjugation F+ bacteria Mating Bridge Original F+ bacteria F- bacteria New F+ bacteria

  13. F plasmid Integration Hfr cell F+ bacteria F- bacteria Transfer of genetic material Hfr Recombination

  14. F plasmid Integration Hfr cell F+ bacteria F- bacteria Crossing over Hfr Recombination Interruption of conjugation Transfer of genetic material

  15. F plasmid Integration Hfr cell F+ bacteria F- bacteria Hfr Recombination Recombinant Bacteria

  16. 5’ 3’ 3’ 5’ RNA Pol. Ribosome mRNA Ribosome 5’ Transcription And Translation In Prokaryotes

  17. The End

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