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The various shades of ER-phagy.
The FEBS Journal ( IF 5.5 ) Pub Date : 2019-08-13 , DOI: 10.1111/febs.15031
Alexandra Stolz 1, 2 , Paolo Grumati 3
Affiliation  

Endoplasmic reticulum (ER) is a large and dynamic cellular organelle. ER morphology consists of sheets, tubules, matrixes, and contact sites shared with other membranous organelles. The capacity of the ER to fulfill its numerous biological functions depends on its continuous remodeling and the quality control of its proteome. Selective turnover of the ER by autophagy, termed ER-phagy, plays an important role in maintaining ER homeostasis. ER network integrity and turnover rely on specific ER-phagy receptors, which influence and coordinate alterations in ER morphology and the degradation of ER contents and membranes via the lysosome, by interacting with the LC3/GABARAP family. In this commentary, we discuss general principles and identify the major players in this recently characterized form of selective autophagy, while simultaneously highlighting open questions in the field.

中文翻译:


内质网吞噬的各种深浅。



内质网(ER)是一种大型且动态的细胞器。内质网形态由片层、小管、基质和与其他膜细胞器共享的接触位点组成。内质网履行其众多生物学功能的能力取决于其持续重塑和蛋白质组的质量控制。通过自噬选择性地更新内质网,称为内质网自噬,在维持内质网稳态中发挥着重要作用。 ER 网络的完整性和周转依赖于特定的 ER 吞噬受体,该受体通过与 LC3/GABARAP 家族相互作用,影响和协调 ER 形态的改变以及 ER 内容物和膜通过溶酶体的降解。在这篇评论中,我们讨论了一般原则,并确定了这种最近表征的选择性自噬形式的主要参与者,同时强调了该领域的悬而未决的问题。
更新日期:2019-12-02
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