ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Washed broth cultures of a tryptophan-requiring mutant of Escherichia coli strain B/r (isolated in this laboratory) were used in these experiments. Reversion of this mutant to the prototrophic condition was determined by plating cell suspensions on Petri dishes containing minimal medium. ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/182888a0
Permalink