Metabolic regulation of sexual commitment in Plasmodium falciparum.

Metabolic regulation of sexual commitment in Plasmodium falciparum.
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恶性疟原虫对性承诺的代谢调节。

DOI:
10.1016/j.mib.2020.09.004
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发表时间:
2020-12
影响因子:
5.4
通讯作者:
Kafsack BF
Kafsack BF
中科院分区:
生物学2区
文献类型:
--
作者:
Neveu G;Beri D;Kafsack BF

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对于平衡性承诺的疟疾寄生虫,无性血流形式分化成非复制性雄性和雌性配子体的频率是至关重要的,因为需要无性复制来维持人类宿主的持续感染,而非复制性配子体对于蚊子载体的感染和传播是必不可少的。在这里,我们描述了最近的进展,在理解的调控机制控制这一关键的发展决定。这些包括对转录主开关AP 2-G和表观遗传调节剂GDV 1的机制作用的新见解,以及确定调节其活性的定义代谢信号。这些代谢物中的许多与寄生虫磷脂生物合成有关,我们提出了一个模型,将这一途径与恶性疟原虫性承诺的表观遗传调控联系起来。促进(橙子)和抑制(蓝色)恶性疟原虫性承诺率频率的因素。
For malaria parasites balancing sexual commitment, the frequency with which asexual bloodstream forms differentiate into non-replicative male and female gametocytes is critical because asexual replication is required to maintain a persistent infection of the human host while the non-replicative gametocytes are essential for infection of the mosquito vector and transmission. Here we describe recent advances in understanding of the regulatory mechanisms controlling this key developmental decision. These include new insights into the mechanistic roles of the transcriptional master switch AP2-G and the epigenetic modulator GDV1, as well as the identification of defined metabolic signals that modulate their activity. Many of these metabolites are linked to parasite phospholipid biogenesis and we propose a model linking this pathway to the epigenetic regulation underlying sexual commitment in P. falciparum. Factors promoting (orange) and suppressing (blue) the frequency of sexual commitment rate in Plasmodium falciparum.
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影响因子: 17.1
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