Telomere-led meiotic chromosome movements: recent update in structure and function.

Telomere-led meiotic chromosome movements: recent update in structure and function.
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DOI:
10.1080/19491034.2020.1769456
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发表时间:
2020-01-01
期刊:
Nucleus (Austin, Tex.)
影响因子:
--
通讯作者:
Pezza RJ
Pezza RJ
中科院分区:
其他
文献类型:
--
作者:
Lee CY;Bisig CG;Conrad MN;Ditamo Y;Previato de Almeida L;Dresser ME;Pezza RJ

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In S. cerevisiae prophase meiotic chromosomes move by forces generated in the cytoplasm and transduced to the telomere via a protein complex located in the nuclear membrane. We know that chromosome movements require actin cytoskeleton [13,31] and the proteins Ndj1, Mps3, and Csm4. Until recently, the identity of the protein connecting Ndj1-Mps3 with the cytoskeleton components was missing. It was also not known the identity of a cytoplasmic motor responsible for interacting with the actin cytoskeleton and a protein at the outer nuclear envelope. Our recent work [36] identified Mps2 as the protein connecting Ndj1-Mps3 with cytoskeleton components; Myo2 as the cytoplasmic motor that interacts with Mps2; and Cms4 as a regulator of Mps2 and Myo2 interaction and activities (Figure 1). Below we present a model for how Mps2, Csm4, and Myo2 promote chromosome movements by providing the primary connections joining telomeres to the actin cytoskeleton through the LINC complex.
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