[New data on the circadian cycle of Plasmodium. Preliminary note].

I Landau, A G Chabaud
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Abstract

A frozen strain of Plasmodium yoelii nigeriensis is inoculated at 4 pm, midnight and 9 am onto inbred Mice. In all instances young gametocytes (type 0) appear in the blood only between 10 am and 6 pm. Although the erythrocytic schizogony occurs regularly during the whole circadian period, the latency increases progressively when the infective subinoculations are made at midnight, 4 pm and 9 am. Possibly, the infective merozoite can only enter the red blood cell around midnight.

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[关于疟原虫昼夜周期的新数据。]初步的注意)。
在下午4点、午夜和上午9点将冷冻的尼日利亚约利疟原虫株接种到近交系小鼠身上。在所有情况下,年轻的配子细胞(0型)只在上午10点到下午6点之间出现在血液中。虽然红细胞分裂在整个昼夜周期中有规律地发生,但在午夜、下午4点和上午9点进行感染亚接种时,潜伏期逐渐增加。有可能,感染的分裂子只有在午夜左右才能进入红细胞。
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