Abstract
Summary
the growth response of strain 19 of Brucella abortus to added metallic ions was studied in a defined medium depleted of metals by chelation with 8-hydroxyquinoline. Fe+ and Mg+ were found to be essential, with the optimal responses at 0.01 and 10.0 μg per ml, respectively. The essentiality of Mn++ was not demonstrated and the optimum at 0.1 μg per ml was indistinct. No intereffects were shown between varying concentrations of Mg++ and Mn++.
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