Mechanisms and regulation of organic acid accumulation in plant vacuoles.
Mechanisms and regulation of organic acid accumulation in plant vacuoles.
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植物液泡有机酸积累机制及调控
DOI：
10.1038/s41438-021-00702-z
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发表时间：
2021-10-25
影响因子：
8.7
通讯作者：
Hu DG
中科院分区：
文献类型：
--
作者：
Huang XY;Wang CK;Zhao YW;Sun CH;Hu DG
在肉质水果中，有机酸是水果酸度的主要来源，在调节渗透压、pH稳态、抗逆性和水果品质方面发挥着重要作用。有机酸从细胞质到液泡的运输及其储存是复杂的过程。大量转运蛋白在各种质子泵和酶的帮助下将有机酸从细胞质运送到液泡。然而，关于有机酸的液泡运输机制以及所涉及的物质及其关联，仍有许多待探索。本文从转运蛋白、通道、质子泵和上游调控因子等角度综述了植物中有机酸液泡转运机制的最新进展，以更好地理解果酸形成过程中涉及的复杂调控网络。
In fleshy fruits, organic acids are the main source of fruit acidity and play an important role in regulating osmotic pressure, pH homeostasis, stress resistance, and fruit quality. The transport of organic acids from the cytosol to the vacuole and their storage are complex processes. A large number of transporters carry organic acids from the cytosol to the vacuole with the assistance of various proton pumps and enzymes. However, much remains to be explored regarding the vacuolar transport mechanism of organic acids as well as the substances involved and their association. In this review, recent advances in the vacuolar transport mechanism of organic acids in plants are summarized from the perspectives of transporters, channels, proton pumps, and upstream regulators to better understand the complex regulatory networks involved in fruit acid formation.
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