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Advances in ion transporters associated with tolerance of halophilic and halotolerant microorganisms to salt stress
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Xin MA, Xiangrong MA, Derui ZHU, Yongzhen LI, Jiangwa XING*
Acta Microbiologica Sinica | 2024, 64(3) : 651 - 671
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Acta Microbiologica Sinica | 2024, 64(3): 651-671
• Reviews •
Advances in ion transporters associated with tolerance of halophilic and halotolerant microorganisms to salt stress
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Xin MA, Xiangrong MA, Derui ZHU, Yongzhen LI, Jiangwa XING*
Affiliations
  • Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China
Published: 2024-03-04 doi: 10.13343/j.cnki.wsxb.20230534
Outline
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Ion transporters play an important role in maintaining intracellular pH homeostasis and ionic equilibrium. Sodium ion transporters and potassium ion transporters exist widely in halophilic and halotolerant microorganisms, and their function of retaining potassium and excreting sodium is one of the two major strategies for microbial tolerance to salt stress. In recent years, new sodium and potassium ion transporters, such as RDD, UPF0118, DUF, and KimA, have been discovered in halophilic and halotolerant microorganisms. The transporters of other metal ions, such as Fe3+ and Mg2+, have been proved to play a role in microbial osmoregulation by participating in the synthesis of intracellular compatible solutes. This paper reviews the ion transporters associated with salt stress tolerance in halophilic and halotolerant microorganisms, analyzes their molecular structures and working mechanisms, and prospects for their applications in agriculture. Discovering new ion transporters, revealing the structures and mechanisms of ion transporters associated with salt stress tolerance, and analyzing the synergistic effect of coexisting transporter systems and their regulation mechanisms will deepen the understanding of the regulatory mechanisms of salt stress tolerance of halophilic and halotolerant microorganisms and provide new ideas for the improvement of crops in saline-alkali land.

salt stress  /  microorganism  /  ion transporter  /  sodium ion transporter  /  potassium ion transporter
Xin MA, Xiangrong MA, Derui ZHU, Yongzhen LI, Jiangwa XING. Advances in ion transporters associated with tolerance of halophilic and halotolerant microorganisms to salt stress[J]. Acta Microbiologica Sinica, 2024 , 64 (3) : 651 -671 . DOI: 10.13343/j.cnki.wsxb.20230534
Funding
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  • National Natural Science Foundation of China(31860030)
  • 2021 Return of Overseas High-level Talents Program by the Ministry of Human Resources and Social Security
  • Youth Science and Technology Project of Qinghai University(2022-QYY-15)
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Year 2024 volume 64 Issue 3
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Article Info
doi: 10.13343/j.cnki.wsxb.20230534
  • Receive Date：2023-08-17
  • Online Date：2026-03-19
  • Published：2024-03-04
Article Data
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History
  • Received：2023-08-17
  • Accepted：2023-11-30
Funding
National Natural Science Foundation of China(31860030)
2021 Return of Overseas High-level Talents Program by the Ministry of Human Resources and Social Security
Youth Science and Technology Project of Qinghai University(2022-QYY-15)
Affiliations
    Research Center of Basic Medical Sciences, Medical College, Qinghai University, Xining 810016, Qinghai, China

Corresponding:

*XING Jiangwa, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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