Abstract

Summary Chlorella (strains 211-8b and 211-8k; Culture Collection, Department of Plant Physiology, Gottingen) were grown completely synchronous under different sets of external conditions (32 and 39 C, LD 14: 10 and 7: 5 h).The timing which fixes the length of generation starts with onset of illumination.For both strains analogy was shown in spite of different cyclings.It was checked in which way the time of release of daughter cells was influenced by the duration of illumination.If cells were exposed to different regimes of cycling they need some transient cycles to establish the exact timing (shortest possible generation) again. Interruptions of illumination by darkness can hit the synchronous population in a sensitive stage depending on the duration of disturbance(s) in agreement with the theory of timing.Regarding the occurrence of circadian rhythm - evaluated by the productivity of a standard growth cycle after different times in darkness - the strains behave different due to the external conditions applied.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.