Role of salt-induced RING finger protein 3 (OsSIRP3), a negative regulator of salinity stress response by modulating the level of its target proteins

Park, Yong Chan; Moon, Jun-Cheol; Chapagain, Sandeep; Oh, Dae Gyeom; Kim, Jung Ju

doi:10.1016/j.envexpbot.2018.06.017

Cited by 9 publications

(6 citation statements)

References 39 publications

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“…Rice expresses many RING finger E3 ligases that are involved in salt stress regulation, such as the SALT-INDUCED RING PROTEIN family (SIRP) [ 123 , 124 , 125 , 126 ] ( Figure 4 ). Three of the four members have been described as negative regulators of salinity stress responses [ 123 ].…”

Section: Salt Stressmentioning

confidence: 99%

“…Overexpression of OsSIRP1 in Arabidopsis showed a reduction in salinity tolerance during seed germination and root elongation growth, which is a likely impact of the degradation of its still undefined target proteins [ 123 ]. Similarly, plants overexpressing OsSIRP3 and OsSIRP4 exhibit hypersensitivity to salt stress conditions [ 125 , 126 ]. OsSIRP3 accomplishes this by triggering degradation of two salt-induced substrate proteins, O. sativa MADS-BOX GENE 70 (OsMADS70) and an ABC DOMAIN CONTAINING PROTEIN (OsABC1P11) [ 125 ].…”

Section: Salt Stressmentioning

confidence: 99%

“…Similarly, plants overexpressing OsSIRP3 and OsSIRP4 exhibit hypersensitivity to salt stress conditions [ 125 , 126 ]. OsSIRP3 accomplishes this by triggering degradation of two salt-induced substrate proteins, O. sativa MADS-BOX GENE 70 (OsMADS70) and an ABC DOMAIN CONTAINING PROTEIN (OsABC1P11) [ 125 ]. OsSIRP4 regulates the degradation of O. sativa PEROXISOMAL BIOGENESIS FACTOR 11-1 (OsPEX11-1) by the 26S proteasome [ 126 ].…”

Section: Salt Stressmentioning

confidence: 99%

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Plant E3 Ligases and Their Role in Abiotic Stress Response

Al-Saharin

Hellmann

Mooney

2022

Cells

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Plants, as sessile organisms, have limited means to cope with environmental changes. Consequently, they have developed complex regulatory systems to ameliorate abiotic stresses im-posed by environmental changes. One such system is the ubiquitin proteasome pathway, which utilizes E3 ligases to target proteins for proteolytic degradation via the 26S proteasome. Plants ex-press a plethora of E3 ligases that are categorized into four major groups depending on their structure. They are involved in many biological and developmental processes in plants, such as DNA repair, photomorphogenesis, phytohormones signaling, and biotic stress. Moreover, many E3 ligase targets are proteins involved in abiotic stress responses, such as salt, drought, heat, and cold. In this review, we will provide a comprehensive overview of E3 ligases and their substrates that have been connected with abiotic stress in order to illustrate the diversity and complexity of how this pathway enables plant survival under stress conditions.

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Section: Salt Stressmentioning

confidence: 99%

Section: Salt Stressmentioning

confidence: 99%

Section: Salt Stressmentioning

confidence: 99%

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Plant E3 Ligases and Their Role in Abiotic Stress Response

Al-Saharin

Hellmann

Mooney

2022

Cells

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“…RING zinc finger proteins improve plant salt tolerance by ubiquitinating salt tolerance-related proteins. Rice plants overexpressing the RING-H2-type zinc finger gene OsSIRP3 ( Park et al, 2018d ) showed hypersensitive phenotypes to salt stress including reduced seed germination rate and root growth. OsSIRP3 interacted with the salt-induced proteins OsMADS70 and OsABC1P11 in a yeast two-hybrid assay.…”

Section: Roles Of Ring Zinc Finger Proteins In Abiotic Stress Responsesmentioning

confidence: 99%

RING Zinc Finger Proteins in Plant Abiotic Stress Tolerance

Han

Qiao

et al. 2022

Front. Plant Sci.

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RING zinc finger proteins have a conserved RING domain, mainly function as E3 ubiquitin ligases, and play important roles in plant growth, development, and the responses to abiotic stresses such as drought, salt, temperature, reactive oxygen species, and harmful metals. RING zinc finger proteins act in abiotic stress responses mainly by modifying and degrading stress-related proteins. Here, we review the latest progress in research on RING zinc finger proteins, including their structural characteristics, classification, subcellular localization, and physiological functions, with an emphasis on abiotic stress tolerance. Under abiotic stress, RING zinc finger proteins on the plasma membrane may function as sensors or abscisic acid (ABA) receptors in abiotic stress signaling. Some RING zinc finger proteins accumulate in the nucleus may act like transcription factors to regulate the expression of downstream abiotic stress marker genes through direct or indirect ways. Most RING zinc finger proteins usually accumulate in the cytoplasm or nucleus and act as E3 ubiquitin ligases in the abiotic stress response through ABA, mitogen-activated protein kinase (MAPK), and ethylene signaling pathways. We also highlight areas where further research on RING zinc finger proteins in plants is needed.

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“…For instance, Oryza sativa RING finger protein 3 ( OsSIRP3 ) is highly expressed under salt stress. Its overexpression in transgenic plants confers increased salt sensitivity by degradation of interaction protein(s) via the 26S proteasome (Park et al, 2018). In contrast, another rice H2‐type E3 ligase, OsSIRH2‐14, enhances salt tolerance by inducing low accumulation of Na + content in plants under high salinity conditions via degradation of OsHKT2;1, which is a Na + transporter (Park et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Overexpression of a C3HC4‐type E3‐ubiquitin ligase contributes to salinity tolerance by modulating Na⁺ homeostasis in rice

Kim,

Lim,

Jung

et al. 2023

Physiologia Plantarum

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Soil salinity has a negative effect on crop yield. Therefore, plants have evolved many strategies to overcome decreases in yield under saline conditions. Among these, E3‐ubiquitin ligase regulates salt tolerance. We characterized Oryza sativa Really Interesting New Gene (RING) Finger C3HC4‐type E3 ligase (OsRFPHC‐4), which plays a positive role in improving salt tolerance. The expression of OsRFPHC‐4 was downregulated by high NaCl concentrations and induced by abscisic acid (ABA) treatment. GFP‐fused OsRFPHC‐4 was localized to the plasma membrane of rice protoplasts. OsRFPHC‐4 encodes a cellular protein with a C3HC4‐RING domain with E3 ligase activity. However, its variant OsRFPHC‐4C161A does not possess this activity. OsRFPHC‐4‐overexpressing plants showed enhanced salt tolerance due to low accumulation of Na+ in both roots and leaves, low Na+ transport in the xylem sap, high accumulation of proline and soluble sugars, high activity of reactive oxygen species (ROS) scavenging enzymes, and differential regulation of Na+/K+ transporter expression compared to wild‐type (WT) and osrfphc‐4 plants. In addition, OsRFPHC‐4‐overexpressing plants showed higher ABA sensitivity under exogenous ABA treatment than WT and osrfphc‐4 plants. Overall, these results suggest that OsRFPHC‐4 contributes to the improvement of salt tolerance and Na+/K+ homeostasis via the regulation of changes in Na+/K+ transporters.

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Role of salt-induced RING finger protein 3 (OsSIRP3), a negative regulator of salinity stress response by modulating the level of its target proteins

Cited by 9 publications

References 39 publications

Plant E3 Ligases and Their Role in Abiotic Stress Response

Plant E3 Ligases and Their Role in Abiotic Stress Response

RING Zinc Finger Proteins in Plant Abiotic Stress Tolerance

Overexpression of a C3HC4‐type E3‐ubiquitin ligase contributes to salinity tolerance by modulating Na⁺ homeostasis in rice

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Role of salt-induced RING finger protein 3 (OsSIRP3), a negative regulator of salinity stress response by modulating the level of its target proteins

Cited by 9 publications

References 39 publications

Plant E3 Ligases and Their Role in Abiotic Stress Response

Plant E3 Ligases and Their Role in Abiotic Stress Response

RING Zinc Finger Proteins in Plant Abiotic Stress Tolerance

Overexpression of a C3HC4‐type E3‐ubiquitin ligase contributes to salinity tolerance by modulating Na+ homeostasis in rice

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Overexpression of a C3HC4‐type E3‐ubiquitin ligase contributes to salinity tolerance by modulating Na⁺ homeostasis in rice