DOI: 10.1128/JB.187.1.400-403.2005
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History
- Received August 1, 2004
- Accepted September 28, 2004
- Published online December 15, 2004.
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American Society for Microbiology
Author Information
↵† Present address: Department of Biology, Indiana University, Bloomington, IN 47405.
- ↵*Corresponding author. Present address: Microbiology Section of the Division of Biological Sciences, Center for Genetics and Development, University of California, Davis, Davis, CA 95616-8665. Phone: (530) 752-6679. Fax: (530) 752-7663. E-mail: jrroth{at}ucdavis.edu.
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- Article
- ABSTRACT
- (i) Relaxed selection for prototrophy.
- (ii) Conditional auxotrophy.
- (iii) Selection for auxotrophy.
- (iv) Mutation pressure.
- Auxotrophy of serovar Dublin isolates.
- Reversion tests.
- Initial evidence for a nadA mutation.
- The serovar Dublin nadA allele is necessary and sufficient for auxotrophy.
- Comparing nadA sequences of enteric bacteria.
- A search for conditions that suppress the auxotrophy of serovar Dublin.
- Pyridine limitation does not provide antibiotic resistance in serovar Dublin.
- Frequency of Nad auxotrophs in natural isolates of S. enterica and E. coli.
- Natural auxotrophy is not associated with mutators or hot spots.
- Summary.
- ACKNOWLEDGMENTS
- FOOTNOTES
- REFERENCES
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