ArticleThe Plant cell2022
Oxylipin signaling in salt-stressed soybean is modulated by ligand-dependent interaction of Class II acyl-CoA-binding proteins with lipoxygenase.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 40 citations in OpenAlex.
- Molecular Mechanisms and Network Integration of Oxylipin Signaling in Plant Abiotic Stress Tolerance.International journal of molecular sciences · 2026Review
- Bridging the gaps: advanced techniques to unlock lipid function in plant reproductive development.Plant reproduction · 2025Review
- Alternative splicing in plant stress responses: potential application for crop improvement.Planta · 2025Review
- Interaction of Soybean (Plants (Basel, Switzerland) · 2024Article
- Acyl-CoA-binding protein (ACBP) genes involvement in response to abiotic stress and exogenous hormone application in barley (Hordeum vulgare L.).BMC plant biology · 2024Article
- Endophyte-mediated enhancement of salt resistance inFrontiers in microbiology · 2024Article
- Article
- From the archives: oxylipins, trojan horses, and light-dependent mRNA stabilization.The Plant cell · 2023Article
- Unfolding molecular switches for salt stress resilience in soybean: recent advances and prospects for salt-tolerant smart plant production.Frontiers in plant science · 2023Review
- Review
- Genome-wide identification of acyl-CoA binding proteins and possible functional prediction in legumes.Frontiers in genetics · 2022Article
- Phyto-Oxylipins as Key Regulators of Plant Resilience to Abiotic and Biotic Stress.Physiologia plantarumReview
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant lipoxygenases (LOXs) oxygenate linoleic and linolenic acids, creating hydroperoxy derivatives, and from these, jasmonates and other oxylipins are derived. Despite the importance of oxylipin signaling, its activation mechanism remains largely unknown. Here, we show that soybean ACYL-COA-BINDING PROTEIN3 (ACBP3) and ACBP4, two Class II acyl-CoA-binding proteins, suppressed activity of the vegetative LOX homolog VLXB by sequestering it at the endoplasmic reticulum. The ACBP4-VLXB interaction was facilitated by linoleoyl-CoA and linolenoyl-CoA, which competed with phosphatidic acid (PA) for ACBP4 binding. In salt-stressed roots, alternative splicing produced ACBP variants incapable of VLXB interaction. Overexpression of the variants enhanced LOX activity and salt tolerance in Arabidopsis and soybean hairy roots, whereas overexpressors of the native forms exhibited reciprocal phenotypes. Consistently, the differential alternative splicing pattern in two soybean genotypes coincided with their difference in salt-induced lipid peroxidation. Salt-treated soybean roots were enriched in C32:0-PA species that showed high affinity to Class II ACBPs. We conclude that PA signaling and alternative splicing suppress ligand-dependent interaction of Class II ACBPs with VLXB, thereby triggering lipid peroxidation during salt stress. Hence, our findings unveil a dual mechanism that initiates the onset of oxylipin signaling in the salinity response.
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