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The involvement of methionine regulatory mutants in the suppression of B12-dependent homocysteine transmethylase (metH) mutants of Salmonella typhimurium

โœ Scribed by Whitehouse, Julie M. ;Smith, Derek A.


Publisher
Springer
Year
1974
Tongue
English
Weight
614 KB
Volume
129
Category
Article
ISSN
0026-8925

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The structure of the cysCDHIJ region in
โœ Kingsman, Alan J. ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Springer ๐ŸŒ English โš– 532 KB

A genetic method was devised to test the hypothesis that in some cysteine or methionine requiring (cym) mutants of Salmonella typhimurium suppression of auxotrophy is due to an insertion at the site of the cym mutation. It was found that suppressed strains have an insertion of about 9kb in the cysCD