The storage glucan of Phaeocystis globosa (prymnesiophyceae) cells

I Janse, M van Rijssel, P.J van Hall, G.J Gerwig, J.C Gottschal, R.A Prins

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Abstract

A non-colony-forming axenic strain of Phaeocystis globosa (Harlot) Lagerheim was shown to produce a water-soluble beta-D-glucan. This glucan consisted of about 20 glucose units, mainly (1 --> 3)-linked, with branching at position 6. Therefore, it can be classified as a chrysolaminaran. Glucan production occurred mainly during the stationary growth phase and resulted in concentrations as high as 76 pg glucose per cell. When cultures were deprived of light the glucans were consumed, which supports their possible role as compounds used for temporary storage of energy.

Original languageEnglish
Pages (from-to)382 - 387
Number of pages6
JournalJournal of Phycology
Volume32
Issue number3
Publication statusPublished - Jun-1996

Keywords

  • autofluorescence
  • axenic non-colony-former
  • carbohydrate production
  • chrysolaminaran
  • Phaeocystis globosa
  • Prymnesiophyceae
  • storage glucans
  • DUTCH COASTAL WATERS
  • MARINE PLANKTONIC DIATOMS
  • POUCHETII HAPTOPHYCEAE
  • SPRING BLOOM
  • BACTERIA
  • GROWTH
  • PHOSPHATE
  • COLONIES
  • SEA

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