1887

Abstract

SUMMARY: Fifteen strains of were found to require for growth, in addition to coenzyme 1 (diphosphopyridine nucleotide; DPN) and haematin, the following substances: pantothenic acid, thiamine, uracil. Some of the strains also required a purine, accepting xanthine, hypoxanthine or guanine, but not adenine. Cysteine (or glutathione) was also needed for luxuriant growth. A medium is described which yields crops of about 10 organisms/ml. after incubation for 18 hr. at 34°. Sheep red cells, but not horse red cells, contain a DPN-ase, located in the stroma, which rapidly destroys any DPN added to them and also destroys the contained DPN when the cells are lysed.

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/content/journal/micro/10.1099/00221287-27-2-317
1962-02-01
2021-08-04
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