Circadian rhythms in Acetabularia: photosynthetic capacity and chloroplast shape

Vanden Driessche, T.

Experimental Cell Research 42(1): 18-30


ISSN/ISBN: 0014-4827
PMID: 5929566
DOI: 10.1016/0014-4827(66)90315-6
Accession: 024333450

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Acetabularia mediterranea displays two circadian rhythms: (a) in photosynthetic capacity and (b) in chloroplast shape. In the middle of the light period, the greatest volume of O2 is evolved; at the same time, the "mature" chloroplasts have an elongated shape. In the middle of the dark period, the smallest volume of O2 is evolved and the shape of the chloroplasts is more spherical.