由Drosophila长基因编码的类似维林的蛋白质是需要在 oogenesis 期间进行actin捆绑组装的
1Department of Genetics, Yale University School of Medicine, New Haven, Connecticut 06510.
Cell
|July 29, 1994
概括
德洛索菲拉长基因的突变通过破坏细胞质运输导致雌性不育. 长基因产物对于在 oogenesis 期间在护士细胞中形成actin 丝束是必不可少的.
科学领域:
- 发展生物学 发展生物学
- 细胞生物学 细胞生物学
- 遗传学 是一个遗传学.
背景情况:
- 雌性不育在Drosophila中可能是由于在 oogenesis 期间细胞质运输中断而产生的.
- 在护士细胞中适当组装的活性丝束对于卵细胞的发育至关重要.
研究的目的:
- 调查Drosophila长基因在 oogenesis 中的功能.
- 为了确定在鸟突变体中的雌性不孕症背后的分子机制.
主要方法:
- 克隆了长基因.
- 长基因产品对脊椎动物小的同质性的表征.
- 免疫定位研究使用抗体对 protein.
主要成果:
- 长基因编码了一种类似维林的蛋白质,是成年的生殖系特异性.
- Quail 蛋白与乳母细胞和卵细胞中的丝状动蛋白结合在一起.
- 突变破坏了护士细胞中的活性丝束组合.
结论:
- 的类产物对于在母细胞中形成细胞质活性线束至关重要.
- Quail 蛋白质可能会调节actin的聚合和组织,类似于脊椎动物的 villin.
- 这些actin结构的破坏导致女性不育.
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