Lecture 17 environmental micro

Lecture 17 environmental micro - How does evolution happen?...

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A B C D E F G H I J K A B D E F G H I J K How does evolution happen? What is the fate of a pseudogene ?
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A B C D E F G H I J K A B C D E F G H I J K How does evolution happen? We can see orthologs arising as genes evolve due to drift, or evolve due to natural selection.
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A B C D E F G H I J K A B C D D E F G H I J How does evolution happen? Duplications are extremely common. What usually happens to them?
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A B C D E F G H I J K A B C D D E F G H I J How does evolution happen? Duplicates can survive; they can drift or be selected for new roles. The resulting genes are paralogs .
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A B C D E F G H I J K A B C D G F E D H I J How does evolution happen? What happened here?
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ABCDEFGHIJK. ... ABCDEF kill!kill! GHIJK How does evolution happen? Lysogens are another sort of disruption to genomes. Many genes contain “dead” viruses.
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ABCDEFGHIJK. ... ABCDEF RSTUVW GHIJK How does evolution happen? Genomic “islands” can be recognized--they may have a different character, e.g. GC%. They may introduce totally foreign genes.
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Who is there? This is a difFcult question to answer speciFcally, since the genome is a moving target.
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defned by % rRNA identity. This is arbitrary, and
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This note was uploaded on 04/05/2011 for the course MIC 102 taught by Professor Appleman during the Fall '08 term at UC Davis.

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Lecture 17 environmental micro - How does evolution happen?...

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