Planar cell polarity: the prickle gene acts independently on both the Ds/Ft and the Stan/Fz systems.

Planar cell polarity: the prickle gene acts independently on both the Ds/Ft and the Stan/Fz systems.
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DOI:
10.1242/dev.168112
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发表时间:
2018-09-17
期刊:
Development (Cambridge, England)
影响因子:
--
通讯作者:
Lawrence PA
Lawrence PA
中科院分区:
其他
文献类型:
--
作者:
Casal J;Ibáñez-Jiménez B;Lawrence PA

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上皮细胞在上皮平面内极化,形成具有协调一致极性的定向结构(平面细胞极性,PCP)。在果蝇中,至少有两个独立的分子系统生成并解释细胞间极性信号:Dachsous/Fat 和“核心”或 Starry night/Frizzled 系统。在这里,我们研究了 prickle 基因及其蛋白质产物 Prickle 和 Spiny Leg。关于 PCP 的许多研究都集中在细胞中核心蛋白的不对称定位上,因此刺被放置在星夜/卷曲系统的中心。我们研究了这种观点是否正确以及刺痛基因与这两个系统的关系。我们发现刺痛会分别影响这两个系统。然而,刺腿和刺腿都不是 Dachsous/Fat 或 Starry night/Frizzled 系统的重要组成部分,它们也不充当两个系统之间的功能联系。摘要:果蝇刺可分别影响 Ds/Ft 和 Stan/Fz PCP 系统;然而,Pk 和 Sple 对于两者来说都不是必需的,并且不充当两个系统之间的功能链接。
Epithelial cells are polarised within the plane of the epithelium, forming oriented structures that have a coordinated and consistent polarity (planar cell polarity, PCP). In Drosophila, at least two separate molecular systems generate and interpret intercellular polarity signals: Dachsous/Fat, and the ‘core’ or Starry night/Frizzled system. Here, we study the prickle gene and its protein products Prickle and Spiny leg. Much research on PCP has focused on the asymmetric localisation of core proteins in the cell and as a result prickle was placed in the heart of the Starry night/Frizzled system. We investigate whether this view is correct and how the prickle gene relates to the two systems. We find that prickle can affect, separately, both systems; however, neither Prickle nor Spiny leg are essential components of the Dachsous/Fat or the Starry night/Frizzled system, nor do they act as a functional link between the two systems. Summary: Drosophila prickle can affect, separately, both the Ds/Ft and the Stan/Fz PCP systems; however, Pk and Sple are not essential for either and do not act as a functional link between the two systems.
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