ArticlePlant biotechnology journal2020
Rice plastidial NAD-dependent malate dehydrogenase 1 negatively regulates salt stress response by reducing the vitamin B6 content.
Article in Plant biotechnology journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed.
- Targeting the Light-Harvesting Complex I Gene Lhca4 Confers Saline-Alkali Tolerance in Rice Without Yield Penalty.Plant, cell & environment · 2026Article
- GWAS and Regularised Regression Identify SNPs Associated with Candidate Genes for Stage-Specific Salinity Tolerance in Rice.Plants (Basel, Switzerland) · 2026Article
- Survey of vitamin B6 and identification of genetic loci in wheat: a better understanding for breeding VB6-rich cultivars.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Na⁺/Mg²⁺ ratio: a new physiological trait for salt resistance in faba bean (Vicia faba L.).BMC plant biology · 2025Article
- Rice NADP-dependent malate dehydrogenase geneFundamental research · 2025Article
- RepA Protein of Citrus Chlorotic Dwarf-Associated Virus Impairs Perinuclear Chloroplast Clustering Induced by Lemon Chloroplast Malate Dehydrogenase.Molecular plant pathology · 2025Article
- Integrated Analyses Reveal the Physiological and Molecular Mechanisms of Brassinolide in Modulating Salt Tolerance in Rice.Plants (Basel, Switzerland) · 2025Article
- Genome-wide identification and gene expression analysis of the malate dehydrogenase (MDH) gene family inFrontiers in plant science · 2025Article
- Accurate Long-Read RNA Sequencing Analysis Reveals the Key Pathways and Candidate Genes under Drought Stress in the Seed Germination Stage in Faba Bean.International journal of molecular sciences · 2024Article
- Molecular Characteristics of the Malate Dehydrogenase (MDH) Gene Family inInternational journal of molecular sciences · 2024Article
- GROWTH REGULATING FACTOR 7-mediated arbutin metabolism enhances rice salt tolerance.The Plant cell · 2024Article
- SlMDH3 Interacts with Autophagy Receptor Protein SlATI1 and Positively Regulates Tomato Heat Tolerance.International journal of molecular sciences · 2024Article
- Signatures of Adaptation and Purifying Selection in Highland Populations of Dasiphora fruticosa.Molecular biology and evolution · 2024Article
- OsGADD45a1: a multifaceted regulator of rice architecture, grain yield, and blast resistance.Plant cell reports · 2024Article
- Physiological and Transcriptomic Analyses Reveal the Mechanisms Underlying Methyl Jasmonate-Induced Mannitol Stress Resistance in Banana.Plants (Basel, Switzerland) · 2024Article
- A Mitochondrial Localized Chaperone Regulator OsBAG6 Functions in Saline-Alkaline Stress Tolerance in Rice.Rice (New York, N.Y.) · 2024Article
- Uncovering Novel QTLs and Candidate Genes for Salt Tolerance at the Bud Burst Stage in Rice through Genome-Wide Association Study.Plants (Basel, Switzerland) · 2024Article
- Autophagy receptor OsNBR1 modulates salt stress tolerance in rice.Plant cell reports · 2023Article
- Genome-Wide Identification and Expression Analysis of Malate Dehydrogenase Gene Family in Sweet Potato and Its Two Diploid Relatives.International journal of molecular sciences · 2023Article
- Genetic Architecture of Salt Tolerance in Cowpea (International journal of molecular sciences · 2023Article
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10 authors.
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Abstract
Salinity is an important environmental factor that adversely impacts crop growth and productivity. Malate dehydrogenases (MDHs) catalyse the reversible interconversion of malate and oxaloacetate using NAD(H)/NADP(H) as a cofactor and regulate plant development and abiotic stress tolerance. Vitamin B6 functions as an essential cofactor in enzymatic reactions involved in numerous cellular processes. However, the role of plastidial MDH in rice (Oryza sativa) in salt stress response by altering vitamin B6 content remains unknown. In this study, we identified a new loss-of-function osmdh1 mutant displaying salt stress-tolerant phenotype. The OsMDH1 was expressed in different tissues of rice plants including leaf, leaf sheath, panicle, glume, bud, root and stem and was induced in the presence of NaCl. Transient expression of OsMDH1-GFP in rice protoplasts showed that OsMDH1 localizes to chloroplast. Transgenic rice plants overexpressing OsMDH1 (OsMDH1OX) displayed a salt stress-sensitive phenotype. Liquid chromatography-mass spectrometry (LC-MS) metabolic profiling revealed that the amount of pyridoxine was significantly reduced in OsMDH1OX lines compared with the NIP plants. Moreover, the pyridoxine content was higher in the osmdh1 mutant and lower in OsMDH1OX plants than in the NIP plants under the salt stress, indicating that OsMDH1 negatively regulates salt stress-induced pyridoxine accumulation. Furthermore, genome-wide RNA-sequencing (RNA-seq) analysis indicated that ectopic expression of OsMDH1 altered the expression level of genes encoding key enzymes of the vitamin B6 biosynthesis pathway, possibly reducing the level of pyridoxine. Together, our results establish a novel, negative regulatory role of OsMDH1 in salt stress tolerance by affecting vitamin B6 content of rice tissues.
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