Effect of haemin limitation on the cytochrome complement and glucose metabolism of non-typable Haemophilus influenzae.

Abstract excerpt

Haemophilus influenzae grown to exponential phase or stationary phase in medium with a low initial concentration of haemin (0.25 microgram/ml) was virtually devoid of cytochromes. Compared with bacteria grown in the presence of excess haemin (10 micrograms/ml), the haemin-limited organisms failed to respire formate and succinate and, generally, the respiratory rates with other substrates were reduced. However,...

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