The Effect of Deficiency of Iron, Zinc and Manganese on the Growth and Morphology of Nocardia opaca

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Abstract
SUMMARY: A study of the trace element requirements of a strain of Nocardia opaca was made. Iron, zinc and manganese were required for optimum growth of the organism on glucose, sucrose, glycerol, gluconate and phenylacetate. Deficiency of manganese caused marked morphological changes in the organism during growth on all the substrates.