8 BIO 326R Cell Division

8 BIO 326R Cell Division - BIO 326R Cell Division E. coli...

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BIO 326R Cell Division
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E. coli cell cycle overview  Chromosome replication E. coli has a single, circular chromosome The nucleoid/chromosome undergoes some structural rearrangement just before replication starts Replication begins at a single site, and proceeds in both directions i.e. replication is bidirectional, there are two replication forks Replication ceases at the terminus, a site on the opposite end of the circle from the origin . . .
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Chromosome replication E. coli has a single, circular chromosome The nucleoid/chromosome undergoes some structural rearrangement just before replication starts Replication begins at a single site, and proceeds in both directions i.e. replication is bidirectional, there are two replication forks Replication ceases at the terminus, a site on the opposite end of the circle from the origin Since there are only two replication forks, DNA replication is limited by the speed of DNA polymerase to about 40 minutes. Despite this, E. coli
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This note was uploaded on 04/09/2009 for the course BIO 326R taught by Professor Whiteley during the Spring '08 term at University of Texas at Austin.

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8 BIO 326R Cell Division - BIO 326R Cell Division E. coli...

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