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The dependence of reproductive rate on cell size and temperature in freshwater ciliated protozoa

✍ Scribed by Bland J. Finlay

Publisher
Springer-Verlag
Year
1977
Tongue
English
Weight
382 KB
Volume
30
Category
Article
ISSN
0029-8549

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✦ Synopsis

Reproductive rates have been calculated for ten species of ciliated protozoa in defined conditions. Interspecific double log regressions of generation time vs. cell volume have been computed at each of three temperatures (8.5Β° C, 15Β° C, and 20Β° C) indicating a significant dependence of reproductive rate on cell size. Recorded generation times varied from 6.38 h in Vorticella microstoma at 20Β° C to 1004 h in Spirostomum teres at 8.5Β° C. These values correspond to a range in r (day) of 2.607 to 0.017 and Ξ» (day) of 13.554 to 1.017. The relationship between these data and similar published data for marine ciliates is examined and the value of such regressions in ecological studies of the protozoa is discussed.

πŸ“œ SIMILAR VOLUMES

Dependence of oral development and cleav
Dependence of oral development and cleavage on cell size in the ciliateStentor
✍ de Terra, NoΓ«l πŸ“‚ Article πŸ“… 1979 πŸ› John Wiley and Sons 🌐 English βš– 531 KB

## Abstract In __Stentor__, the two main cytoplasmic events of cell division are development of the oral primordium that gives rise to the oral apparatus of the posterior daughter cell and cleavage. The present work examines directly the dependence of these two events on the size of the cell body.