Targeting Polo-like kinase in space and time during C. elegans meiosis.

Targeting Polo-like kinase in space and time during C. elegans meiosis.
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DOI:
10.1080/15384101.2021.1953232
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发表时间:
2021-08
期刊:
Cell cycle (Georgetown, Tex.)
影响因子:
--
通讯作者:
Kim Y
Kim Y
中科院分区:
其他
文献类型:
--
作者:
Brandt JN;Kim Y

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减数分裂染色体动力学中的核心参与者是保守的Polo样激酶(PLK)家族。PLK在减数分裂前期动态定位于不同的结构,并磷酸化不同的底物组以控制同源配对、突触和减数分裂重组。在最近的一项研究中,我们发现了控制C中减数分裂特异性PLK-2靶向的机制。优雅在减数分裂前期,PLK-2定位于称为配对中心的特殊染色体区域,并驱动同源物配对和突触。PLK-2然后重新定位到联会复合体(SC)后,交叉指定和介导的同源分离所需的染色体重塑。是什么控制了PLK-2在空间和时间上的复杂目标?我们讨论了最近的发现和未来的剩余问题。
A central player in meiotic chromosome dynamics is the conserved Polo-like kinase (PLK) family. PLKs are dynamically localized to distinct structures during meiotic prophase and phosphorylate a diverse group of substrates to control homolog pairing, synapsis, and meiotic recombination. In a recent study, we uncovered the mechanisms that control the targeting of a meiosis-specific PLK-2 in C. elegans. In early meiotic prophase, PLK-2 localizes to special chromosome regions known as pairing centers and drives homolog pairing and synapsis. PLK-2 then relocates to the synaptonemal complex (SC) after crossover designation and mediates chromosome remodeling required for homolog separation. What controls this intricate targeting of PLK-2 in space and time? We discuss recent findings and remaining questions for the future.
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