Evidence map›Paper›PMID 40379239›Full record

ArticleJournal of advanced research2026

Overexpression of soybean flavonoid 3'-hydroxylase enhances plant salt tolerance by promoting ascorbic acid biosynthesis.

Jianfei Wu, Xiaokun Wang, Jiawei Xu, Tongtong Li, Guangyao Shan, Li Zhang, Tongdi Yan, Xuejiao Song, Yuxiao Sun, Huihui Guo and 1 more

Abstract read
In one paragraph

Article in Journal of advanced research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

  1. Article
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  3. ThePlants (Basel, Switzerland) · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Jianfei WuCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China; College of Life Sciences, Shandong Agricultural University, Tai'an 271018, PR China.
Xiaokun WangCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China; College of Life Sciences, Shandong Agricultural University, Tai'an 271018, PR China.
Jiawei XuCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Tongtong LiCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Guangyao ShanCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Li ZhangCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Tongdi YanCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Xuejiao SongCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Yuxiao SunCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Huihui GuoCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China.
Fanchang ZengCollege of Agronomy, Shandong Agricultural University, Tai'an 271018, PR China; Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100083, PR China. Electronic address: fczeng@sdau.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSalt stress is a major cause of crop loss. Soybean (Glycine max), a globally vital legume crop, faces mounting yield constraints due to soil salinization. It is known that the flavonoid biosynthesis pathway involving flavonoid 3'-hydroxylase (F3'H) plays an important role in salt tolerance. However, the precise molecular basis of F3'H-mediated salt tolerance remains inadequately characterized.

objectivesThis study aimed to elucidate the function and explore the pleiotropic molecular basis of F3'H protein in soybean salt tolerance. Innovation on elite new crop varieties facilitates breeding and production applications on salt tolerance.

methodsWe employed CRISPR/Cas9-mediated knockout and Agrobacterium-based overexpression to generate GmF3'H allelic variants and ectopic expression in soybeans. Sanger sequencing and quantitative reverse transcription polymerase chain reaction (qRT-PCR) were used to confirm the specificity of gene editing and quantify expression levels in overexpression transgenic plants, respectively. As well as Subcellular localization analysis, Yeast two-hybrid (Y2H) assay, LUC activity assay and plant physiological measurements were carried out to elucidate the F3'H-mediated salt tolerance molecular basis in plants.

resultsIn this study, we identified the flavonoid 3' hydroxylase gene (GmF3'H) in soybeans, which as a master regulator of salt stress adaptation during seed germination and seedling stages in both soybean and Arabidopsis thaliana. Furthermore, our study revealed that the evolutionarily conserved F3'H protein competitively binds to photomorphogenic factor COP9 signalosome subunit 5B (CSN5B) and disrupts its interaction with GDP-mannose pyrophosphorylase 1 (VTC1), a key enzyme in ascorbate biosynthesis. This competitive inhibition redirects metabolic flux toward the L-galactose pathway, leading to an increase in ascorbic acid (AsA) biosynthesis. The enhanced AsA production subsequently improves seedling salt stress tolerance in plants by maintaining redox homeostasis through ROS scavenging.

conclusionThe discovery and characterization of F3'H-mediated salt tolerance provide a crucial framework for the genetic improvement of crops. This work provides new insights into plant salt stress tolerance and develops innovative strategies to enhance broad-spectrum salt tolerance, a crucial aspect for ensuring food security in crops.

Indexed as

Ascorbic AcidCytochrome P-450 Enzyme SystemGlycine maxPlant ProteinsSalt ToleranceCRISPR-Cas SystemsGene Expression Regulation, PlantPlants, Genetically ModifiedSalt StressAscorbic AcidCytochrome P-450 Enzyme Systemflavonoid 3'-hydroxylasePlant ProteinsAscorbic acid biosynthesisBroad-spectrum salt stress tolerance functionFlavonoid 3′-hydroxylaseMolecular basis

Identifiers

PMID40379239
PMCPMC12869225

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.