Mechanisms for the epigenetic inheritance of stress response in single cells.

Mechanisms for the epigenetic inheritance of stress response in single cells.
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单个细胞中应力反应表观遗传遗传的机制。

DOI:
10.1007/s00294-018-0849-1
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发表时间:
2018-12
期刊:
影响因子:
2.5
通讯作者:
Acar M
Acar M
中科院分区:
生物学3区
文献类型:
--
作者:
Xue Y;Acar M

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细胞已经进化为动态响应不同类型的环境和生理应激条件。关于母细胞先前经历的压力刺激的信息可以传递给它的后代,使它们能够更好地适应新环境并在新环境中生存。近年来,活细胞成像结合细胞谱系跟踪方法阐明了许多重要的原则,指导压力遗传在单细胞和群体水平。在这篇综述中,我们总结了不同的策略细胞可以采用通过“记忆”以前的压力反应,以他们的后代。在这些策略中,我们专注于最近发现的Msn2核质穿梭动力学的具体功能可以跨细胞谱系遗传。我们还讨论了如何通过染色质的变化,并通过分配的抗应激因子和/或在母细胞和子细胞之间受损的大分子压力反应可以传递到后代细胞分裂。最后,我们强调了新兴技术将如何帮助解决该领域的开放问题。
Cells have evolved to dynamically respond to different types of environmental and physiological stress conditions. The information about a previous stress stimulus experience by a mother cell can be passed to its descendants, allowing them to better adapt to and survive in new environments. In recent years, live-cell imaging combined with cell-lineage tracking approaches has elucidated many important principles that guide stress inheritance at the single-cell and population level. In this review, we summarize different strategies cells can employ to pass the ‘memory’ of previous stress responses to their descendants. Among these strategies, we focus on a recent discovery of how specific features of Msn2 nucleo-cytoplasmic shuttling dynamics could be inherited across cell lineages. We also discuss how stress response can be transmitted to progenies through changes in chromatin and through partitioning of anti-stress factors and/or damaged macromolecules between mother and daughter cells during cell division. Finally, we highlight how emergent technologies will help address open questions in the field.
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