Microbial Evolution

Microbial Evolution

1. Domain

   • Kingdom
     • Phylum
       • Class
         • Order
           • Family
             • Genus
               • Species

2. Ribosomal Small Subunit [SSU]

   • SSUrRNA provids sequence info for statistically sign. comparisons betwn homologues
   • SSUrRNA highly abundant in cells
   • SSUrRNA subject of large curated databases

3. Gene Evolution

   • Replication and repair errors
   • Mutagenic agents
   • Lateral Gene Transfer
     • Transformation
       • Naked DNA
     • Transduction (by bacteriophages)
     • Conjugation
       • Plasmids
   • Gene Reduction
     • Environmental Specialisation