Presentation on theme: "Dr. Rashad Shawgi Babiker M.Sc. (Microbiology) (UMST) M.Sc. Stud. (Immunology ) Institute of Tropical Medicine.(SAS)"— Presentation transcript:
Dr. Rashad Shawgi Babiker M.Sc. (Microbiology) (UMST) M.Sc. Stud. (Immunology ) Institute of Tropical Medicine.(SAS)
Microbial Genetics Basic Molecular Genetics Central Dogma Gene Expression Genetic Variability Mutations Recombination Plasmids Genetic Engineering Terminology and Technology Products and Benefits 2
Introduction DNA is arranged as a single molecule with no histones present, and with no dominance or recessiveness in the genes. Bacterial chromosome is located in the nucleoid. In E. coli there are 4000 genes spread over 1.5mm of DNA in less than 1 micrometer of space
Loop domain structure allows for compaction of DNA
Transposable genetic elements Insertion sequences Small DNA segments Provide no genetic information Located at several places on the chromosome Transposons Larger than Insertion sequences Provide information for protein synthesis
Sections A & B repeating but reversed “palindrome”
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