光合藻类多甲藻超氧化物歧化酶活性的昼夜节律。
A circadian rhythm in the activity of superoxide dismutase in the photosynthetic alga Gonyaulax polyedra.
作者信息
Colepicolo P, Camarero V C, Hastings J W
机构信息
Departamento de Bioquímica, Universidade de São Paulo, Brazil.
出版信息
Chronobiol Int. 1992 Aug;9(4):266-8. doi: 10.3109/07420529209064536.
PMID:1423735
Abstract
The activity of superoxide dismutase in cell-free extracts of Gonyaulax made at different times of day and night was found to be three to four times higher during the day. This rhythm continued in cells kept in constant light, indicating that the regulation can be attributed to the cellular circadian clock.
摘要
研究发现，在白天和夜晚不同时间制备的裸甲藻无细胞提取物中，超氧化物歧化酶的活性在白天要高出三到四倍。这种节律在持续光照条件下的细胞中依然存在，这表明该调节可归因于细胞的昼夜节律时钟。
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