Archiv für Mikrobiologie

, Volume 91, Issue 4, pp 323–344 | Cite as

Cell and lorica fine structure of the chrysomonad alga, Dinobryon sertularia Ehr. (Chrysophyceae)

  • Werner W. Franke
  • Werner Herth


The fine structure of wild living organisms of the chrysophycean alga, Dinobryon sertularia, has been studied after fixation with glutaraldehyde. A description of the cell body as revealed from serial sections is given. The similarity of the cellular organization to that of the related genus, Ochromonas, is emphasized. In addition, the microfibrillar arrangement of the lorica has been studied in negative staining. Possible modes of lorica formation are discussed, especially with the evidence presented that the mid region of the cell body is in direct, although perhaps transitory, contact with the lorica and shows a variety of vesicles suggesting secretory membrane flow.


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Copyright information

© Springer-Verlag 1973

Authors and Affiliations

  • Werner W. Franke
    • 1
  • Werner Herth
    • 1
  1. 1.Department of Cell Biology, Institute of Biology IIUniversity of Freiburg i. Br.Freiburg i. Br.Germany

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