TY - JOUR
T1 - The circadian rhythm in RNA synthesis in Acetabularia mediterranea
AU - Vanden Driessche, Thérèse
AU - Bonotto, Silvano
PY - 1969/3/18
Y1 - 1969/3/18
N2 - The incorporation of [3H]uridine into the RNA fractions of Acetabularia mediterranea has been investigated at different times of the day. It has been found that there is a rhythm in the incorporation rate of labelled uridine in the acid-insoluble fraction. The maximum occurs about 3 h after the middle of the light period. The rhythm is endogenous since it has been found to occur in continuous light (one dark period having been skipped). However, in the absence of one dark period, there is a very strong decrease in the incorporation values. In some cases, the rhythm cannot be detected. The anucleate algae behave in the same way as the nucleate ones. The rhythm seems to be associated with the chloroplasts.
AB - The incorporation of [3H]uridine into the RNA fractions of Acetabularia mediterranea has been investigated at different times of the day. It has been found that there is a rhythm in the incorporation rate of labelled uridine in the acid-insoluble fraction. The maximum occurs about 3 h after the middle of the light period. The rhythm is endogenous since it has been found to occur in continuous light (one dark period having been skipped). However, in the absence of one dark period, there is a very strong decrease in the incorporation values. In some cases, the rhythm cannot be detected. The anucleate algae behave in the same way as the nucleate ones. The rhythm seems to be associated with the chloroplasts.
UR - http://www.scopus.com/inward/record.url?scp=0014683010&partnerID=8YFLogxK
U2 - 10.1016/0005-2787(69)90122-1
DO - 10.1016/0005-2787(69)90122-1
M3 - Article
C2 - 5787648
AN - SCOPUS:0014683010
SN - 0005-2787
VL - 179
SP - 58
EP - 66
JO - Biochimica et biophysica acta; Nucleic acids and protein synthesis
JF - Biochimica et biophysica acta; Nucleic acids and protein synthesis
IS - 1
ER -