Atypical at skew in Firmicute genomes results from selection and not from mutation.
The second parity rule states that, if there is no bias in mutation or selection, then within each strand of DNA complementary bases are present at approximately equal frequencies. In bacteria, however, there is commonly an excess of G (over C) and, to a lesser extent, T (over A) in the replicatory...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Public Library of Science (PLoS)
2011-09-01
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| Series: | PLoS Genetics |
| Online Access: | http://europepmc.org/articles/PMC3174206?pdf=render |