Selection-synchronized Chlamydomonas reinhardii display ultradian but not circadian rhythms

Jenkins, HA, Griffiths, AJ and Lloyd, D ORCID: https://orcid.org/0000-0002-5656-0571 1990. Selection-synchronized Chlamydomonas reinhardii display ultradian but not circadian rhythms. Biological Rhythm Research 21 (1) , 75--80. 10.1080/09291019009360027

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Abstract

Extended periods of growth under continuous light (> 10 generations) effectively removed the normally strong circadian controls on the growth of Chlamydomonas reinhardii. Selection‐synchronized cultures of such organisms showed the cell cycle time to be 20h and there was no detectable circadian rhythm in chlorophyll a accumulation. However, an ultradian rhythm of period length 55 min in the level of chlorophyll a similar to that previously reported for LD cultures was still observed. These results provide further evidence for the importance of intracellular timing independent of environmental influences.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Taylor & Francis: STM, Behavioural Science and Public Health Titles
ISSN:	0929-1016
Last Modified:	26 Oct 2022 08:36
URI:	https://orca.cardiff.ac.uk/id/eprint/127871

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