Lecture 31-Bacterial Recombination

Lecture 31-Bacterial Recombination - Lecture 31- Bacterial...

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Lecture 31- Bacterial Recombination -Some genes move around -By endocytosis, genes are engulfed by eukaryotes, and by secondary endocytosis they are engulfed into other eukaryotes; genes transferred to nucleus and are duplicated during mitosis -Prokaryotic cells (above) have packed circular DNA, no membrane -Bacteria are the oldest and most successful life forms, representing half of the total carbon on Earth; involved in global chemical cycling of C, N, P, etc; “work horses” for early studies of DNA; important in biotechnologies, infectious diseases (bioterrorism, germ warfare) Custom Made Synthetic Life -Find the simplest cell that can be cultured with the “minimum number of genomes” as possible -“Synthesise custom genome”, and import custom genome into “empty cells” DNA Replication -Bidirectional replication of circular chromosome from a single origin Bacterial Reproduction -Binary fission is an asexual process; therefore populations are clonal and tend to be genetically homologous
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Lecture 31-Bacterial Recombination - Lecture 31- Bacterial...

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