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OBSERVATIONS ON SOME SPECIES OF TRACHELOMONAS GROWN IN CULTURE
The genus Trachelomonas Ehrbg. is so well characterized that there is hardly any species the generic position of which is doubtful. The most conspicuous feature is the envelope enclosing a cell body
On the Nutrition of Ochromonas
TLDR
The hypothesis is put forward that phagotrophy chiefly serves for obtaining chemical compounds which the cell cannot synthesize itself and which have the character of vitamins, and therefore supplements the other means of nutrition, while sugar, alcohols, and fats supplement it quantitatively and are indeed indispensable.
The Vitreoscillaceae; a family of colourless, gliding, filamentous organisms.
  • E. Pringsheim
  • Biology
    Journal of general microbiology
  • 1 February 1951
TLDR
A new family, the Vitreoscillaceae, is proposed for a group of microorganisms characterized by their colourless, gliding trichomes, which has certain affinities with myxobacteria and still more with colourless myxophyceae, especially with the Beggiatoaceae.
NUTRITIONAL REQUIREMENTS OF HAEMATOCOCCUS PLUVIALIS AND RELATED SPECIES 1
All the described species and varieties of the genus Haematococcus were available. After isolation in pure culture they were used studying their nutritional requirements.
The filamentous bacteria Sphaerotilus, Leptothrix, Cladothrix, and their relation to iron and manganese
  • E. Pringsheim
  • Biology
    Philosophical Transactions of the Royal Society…
  • 31 March 1949
TLDR
In order to detect reversible modifications and hereditary differences cultures were undertaken and several strains of each form were obtained in pure culture, all of which were identical, despite their origin from the various ‘species’ mentioned.
The Genus Polytomella
SUMMARY. Six species of Polytomella were isolated in pure culture from ecologically very different places where they may have only survived as cysts, but one of them was found in enormous numbers
HETEROTROPHISM AND SPECIES CONCEPTS IN BEGGIATOA
TLDR
A considerable number of independent forms exist even within the narrow limits in width of trichomes to which the investigations were restricted, so that the appearance of the various strains on agar plates differs characteristically.
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