Warning: The NCBI web site requires JavaScript to function. more...
An official website of the United States government
The .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.
The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Organizing biological data
The increase in fitness of attenuated virus in the course of 10 passages was achieved due to the inactivation of some nonessential genes but not by the modification of transcription apparatus genes as expected. Thus, in poxvirus evolution gene inactivation, in addition to gene duplication and base substitution, has the potential of enhancing virus replication. Less...
Your browsing activity is empty.
Activity recording is turned off.
Turn recording back on