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DOI10.1126/science.aba2658
The malaria parasite has an intrinsic clock
Rijo-Ferreira F.; Acosta-Rodriguez V.A.; Abel J.H.; Kornblum I.; Bento I.; Kilaru G.; Klerman E.B.; Mota M.M.; Takahashi J.S.
发表日期2020
ISSN0036-8075
起始页码746
结束页码753
卷号368期号:6492
英文摘要Malarial rhythmic fevers are the consequence of the synchronous bursting of red blood cells (RBCs) on completion of the malaria parasite asexual cell cycle. Here, we hypothesized that an intrinsic clock in the parasite Plasmodium chabaudi underlies the 24-hour-based rhythms of RBC bursting in mice. We show that parasite rhythms are flexible and lengthen to match the rhythms of hosts with long circadian periods. We also show that malaria rhythms persist even when host food intake is evenly spread across 24 hours, suggesting that host feeding cues are not required for synchrony. Moreover, we find that the parasite population remains synchronous and rhythmic even in an arrhythmic clock mutant host. Thus, we propose that parasite rhythms are generated by the parasite, possibly to anticipate its circadian environment. Copyright © 2020 The Authors,
关键词cellcircadian rhythmfood intakemalariaMusPlasmodium chabauditranscription factor CLOCKanimalassociationcircadian rhythmdarknesseatingerythrocytefeeding behaviorfevergene expression regulationgenetic transcriptiongeneticshost parasite interactionmalariamousemutant mouse strainparasitologypathophysiologyphysiologyPlasmodium chabaudiAnimalsCircadian RhythmCLOCK ProteinsCuesDarknessEatingErythrocytesFeeding BehaviorFeverGene Expression RegulationHost-Parasite InteractionsMalariaMiceMice, Mutant StrainsPlasmodium chabaudiTranscription, Genetic
语种英语
来源机构Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/133491
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GB/T 7714
Rijo-Ferreira F.,Acosta-Rodriguez V.A.,Abel J.H.,et al. The malaria parasite has an intrinsic clock[J]. Science,2020,368(6492).
APA Rijo-Ferreira F..,Acosta-Rodriguez V.A..,Abel J.H..,Kornblum I..,Bento I..,...&Takahashi J.S..(2020).The malaria parasite has an intrinsic clock.,368(6492).
MLA Rijo-Ferreira F.,et al."The malaria parasite has an intrinsic clock".368.6492(2020).
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