Biology 2581B Lecture Notes - Lecture 7: Tetrahymena, Crispr, Intron
17 Feb 2020
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C r o b e very small: easier to maintain genome sequences are from microbes biodiversity is microbial known of discoveries from microbial genomes include : 2 different nuclei and nuclear genomes ( oxytricha) " shorter generation time greater chance of. Embedded : exons of a gene within another gene of introns another (alternate exons) Many beneficial and deadly parasites neutral or beneficial to humans necessary symbionts are microbes are also microbes. Over - use : more chances for evolutionary response. Exacerbated by bacteria in body , heavy use of not just pathogen antibiotics in agriculture. " e. g. intensity of exposure matters not evolution to stronger doses prescription few. 0 3000 growth in c"- 300 if. Selective disadvantage in absence t growth of antibiotics. Experiment often subsequently restored by necessarily same level as wt later compensatory mutations targeted most frequently mutated genes also mutation in. Case study : salmonellae enterica and (antibiotic) o.
