Abstract
Summary
The utilization of inorganic nitrogen in addition to organic nitrogen by the Toronto Strain of Park-Williams no. 8 Coryne-bacterium diphtheriae has been investigated. Ammonium nitrogen in the form of a simple ammonium salt (ammonium sulfate) is shown to be utilized by the organism. For optimum growth and toxin production on chemically defined medium, suitable concentrations of sodium glutamate and ammonium Sulfate, or ammonium glutamate are required.
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