Sulzman F M, Ellman D, Fuller C A, Moore-Ede M C, Wassmer G
Department of Biological Sciences, State University of New York, Binghamton 13901, USA.
Science. 1984 Jul 13;225:232-4. doi: 10.1126/science.11540800.
To test the functioning of circadian rhythms removed from periodicities of the earth's 24-hour rotation, the conidiation rhythm of the fungus Neurospora crassa was monitored in constant darkness during spaceflight. The free-running period of the rhythm was the same in space as on the earth, but there was a marked reduction in the clarity of the rhythm, and apparent arrhythmicity in some tubes. At the current stage of analysis of our results there is insufficient evidence to determine whether the effect seen in space was related to removal from 24-hour periodicities and whether the circadian timekeeping mechanism, or merely its expression, was affected.
为了测试从地球24小时自转周期中去除后的昼夜节律功能，在太空飞行期间于持续黑暗中监测了粗糙脉孢菌的分生孢子形成节律。该节律的自由运转周期在太空中与在地球上相同，但节律的清晰度明显降低，并且在一些试管中出现了明显的无节律性。在我们目前对结果的分析阶段，没有足够的证据来确定在太空中观察到的效应是否与脱离24小时周期有关，以及昼夜计时机制或仅仅是其表达是否受到了影响。
