Vesicle transport participates in transformation process of plant salt absorption response
Vesicle transport participates in transformation process of plant salt absorption response
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囊泡运输参与植物盐吸收反应的转化过程
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通讯作者：
LI Lixin
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作者：
ZHANG Xiaomeng;LIU Yuqi;ZHANG Hailong;ZHAO Zhenjie;LI Lixin
为了适应环境变化，植物逐渐进化出多种调节机制来感知细胞外信号和对胁迫的反应。盐胁迫抑制植物发育。在高盐胁迫下，为了减少离子对细胞的毒性，胞质Na+通过质膜上的离子通道输出。同时，内体将胞质 Na+ 分隔开来，随后转运至液泡。植物通过胞吞作用和胞吐作用之间的平衡来响应环境刺激。最近的研究揭示了胞吞作用和胞吐作用的一些新途径/机制。其中一些在盐度胁迫下表现出更高的活性。一些与盐胁迫相关的囊泡运输调节因子的功能澄清将有助于我们了解物质运输在应对盐胁迫方面的重要性。尽管对该机制进行了广泛的研究，但针对盐胁迫的囊泡运输的潜在机制仍然不清楚。在这里，我们总结了盐度胁迫下膜运输机制的最新进展。
To adapt to environmental changes, plants have gradually evolved diverse regulatory mechanisms that sense extracellular signals and responses to stresses. Salt stress inhibits plant development. Under high salinity stress, to reduce ion toxicity on cells, cytosolic Na+ is exported by ion channels on the plasma membrane. At the same time, endosomes compartmentalize cytosolic Na+ and subsequently transport to vacuoles. Plants response to environmental stimuli by a balance between endocytosis and exocytosis. Recent studies revealed some novel pathways/mechanisms of endocytosis and exocytosis. Some of them exhibit higher activities under salinity stress. Functional clarification of some salt stress-related vesicle trafficking regulators will help us to understand the importance of material transport in response to salt stress. Despite broad investigation on the mechanisms, it is still obscure about mechanisms underlying vesicle trafficking in response to salt stress. Here, we summary recent advances in the mechanisms underlying membrane trafficking under salinity stress.