Les rythmes des mouvements cytoplasmiques et de l'activité électrique chez<i>Acetabularia</i>: effets de la lumière et mise en évidence d'un comportement corrélé

Puiseux‐Dao, S.; Dazy, Anne-Catherine; Schöevaërt, Damien

doi:10.1080/01811789.1989.10826937

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1992

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“…Sometimes, much shorter periods of low amplitude were observed at 32 "C,These observations have to be confirmed in a more detailed study. Generally, these low amplitude oscillations were in the order of a few hours (data not shown; see also Puiseux-Dao et al, 1989).…”

Section: Resultsmentioning

confidence: 76%

Temperature Dependency of Circadian Period in a Single Cell (Acetabularia)

et al. 1992

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The circadian rhythm in the oxygen production of 30 individual Acetabularia cells has been studied at different temperatures. The temperature induced period variation was continuously evaluated over the whole data record of each individual cell with an advanced spectral analysis technique. The observed circadian periods of O2 production displayed a well established region of temperature compensation between 25 °C and 30 °C with a Q10, value of 0.9, whereas between 15°C and 22°C a positive temperature coefficient was measured (Q10 at 22 °C 0.9, Q10 at 20°C 0.8, Q10at 17°C 0.7).

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Section: Resultsmentioning

confidence: 76%