Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Karel Tetík"'
Publikováno v:
Archiv für Hydrobiologie. 130:485-497
Publikováno v:
Algological Studies/Archiv für Hydrobiologie, Supplement Volumes. 27:202-208
Publikováno v:
Algological Studies/Archiv für Hydrobiologie, Supplement Volumes. 67:105-112
Autor:
Karel Tetík, Josef Nečas
Publikováno v:
Archiv für Protistenkunde. 130:113-118
Summary Homeostasis, forming in the cultures of Chlamydomonas geitleri after the transfer to a nitrogenless medium, was based on the intercellular circulation of nitrogen. The uptake of all the available nitrogenous substances from the medium proceed
Publikováno v:
Archiv für Protistenkunde. 134:115-124
Summary In the nitrogenless medium of p H near to 4.5, the growth rate of the culture slowed down rather quickly after the transfer of the cells to it. The cells deflagellated, no clumping reaction was observed and no zygotes were formed. If the medi
Publikováno v:
Biochemie und Physiologie der Pflanzen. 178:547-561
Summary A complex pf-mutation was isolated from a zygote progeny of Chlamydomonas geitleri and analysed with regard to some characteristics. The most important changes are: 1. The ovoid form of the cell in thin cultures which in dense cultures change
Autor:
Josef Nečas, Karel Tetík
Publikováno v:
Archiv für Protistenkunde. 122:201-217
Summary The cell cycles of Chlamydomonas geitleri resemble the cell cycles of some chlorococcal algae as, e.g., some species of the genera Scenedesmus or Chlorella. The course of the cell cycle was deter mined according to the ability of the cells to
Autor:
Josef Nečas, Karel Tetík
Publikováno v:
Archiv für Protistenkunde. 128:55-67
Summary Attempts, made to increase significantly the occurrence of zygotes in four parts of a synchronized culture of the homothallic volvocal alga Chlamydomonas geitleri, proved to be unsuccessful in comparison with nonsynchronous cultures. The sync