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Abstract
SUMMARY
Three distinct species of the genus Nitzschia, lacking chloroplasts and therefore obligately heterotrophic, were isolated in pure culture from various marine shores. The organisms reproduced rapidly in a defined medium based on an artificial sea water supplemented with mineral nutrients, thiamine and cobalamin. Lactate or succinate served as sole organic carbon source for all three species; two of the species also used glucose or glutamate. Two of the species were identified as N. putrida Benecke and N. leucosigma Benecke, respectively. The third organism appears to be a new species, here named N. alba.
- Accepted:
- Published Online:
© Microbiology Society