Spatial Organization of Metabolic Enzyme Complexes in Cells.

Spatial Organization of Metabolic Enzyme Complexes in Cells.
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细胞中代谢酶复合物的空间组织。

DOI:
10.1021/acs.biochem.7b00249
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发表时间:
2017-06-27
期刊:
影响因子:
2.9
通讯作者:
An S
An S
中科院分区:
生物学3区
文献类型:
--
作者:
Schmitt DL;An S

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代谢多酶复合物的组织已被假设为有益于代谢过程,并为细胞调节代谢提供协调的方式。从历史上看,它们的存在得到了各种体外技术的支持。然而,直到最近才发现活细胞内存在代谢复合物,以证实这一长期存在的假设。事实上,代谢酶的亚细胞区室化似乎是广泛和高度调节的。另一方面,它仍然是具有挑战性的,以证明这些酶复合物在细胞环境中的功能意义。在这篇综述中,我们讨论了目前的理解代谢酶复合物主要集中在中央碳代谢和密切相关的代谢途径在各种生物体,以及它们的调节和功能的贡献细胞。
The organization of metabolic multienzyme complexes has been hypothesized to benefit metabolic processes and provide a coordinated way for the cell to regulate metabolism. Historically, their existence has been supported by various in vitro techniques. However, it is only recently that the existence of metabolic complexes inside living cells has come to light to corroborate this long-standing hypothesis. Indeed, subcellular compartmentalization of metabolic enzymes appears to be widespread and highly regulated. On the other hand, it is still challenging to demonstrate the functional significance of these enzyme complexes in the context of the cellular milieu. In this review, we discuss the current understanding of metabolic enzyme complexes by primarily focusing on central carbon metabolism and closely associated metabolic pathways in a variety of organisms, as well as their regulation and functional contributions to cells.
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