ArticleFrontiers in plant science2018
Gene Expression Profiling of Iron Deficiency Chlorosis Sensitive and Tolerant Soybean Indicates Key Roles for Phenylpropanoids under Alkalinity Stress.
Article in Frontiers in plant science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 90 citations in OpenAlex.
- Stage-specific GWAS identifies a pleiotropic ankyrin repeat locus near GmSALT3 for salinity tolerance in soybean.Plant cell reports · 2026Article
- Biochar for Soil Amendment: Applications, Benefits, and Environmental Impacts.Bioengineering (Basel, Switzerland) · 2025Review
- Soybean genomics research community strategic plan: A vision for 2024-2028.The plant genome · 2024Article
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- A Critical Review of Methodologies for Evaluating Iron Fertilizers Based on Iron Reduction and Uptake by Strategy I Plants.Plants (Basel, Switzerland) · 2024Review
- Alkaline and acidic soil constraints on iron accumulation by Rice cultivars in relation to several physio-biochemical parameters.BMC plant biology · 2023Article
- Deciphering the genetic architecture of resistance toFrontiers in plant science · 2023Article
- GmABCG5, an ATP-binding cassette G transporter gene, is involved in the iron deficiency response in soybean.Frontiers in plant science · 2023Article
- Coupling VIGS with Short- and Long-Term Stress Exposure to Understand the Fiskeby III Iron Deficiency Stress Response.International journal of molecular sciences · 2022Article
- Binding to Iron Quercetin Complexes Increases the Antioxidant Capacity of the Major Birch Pollen Allergen Bet v 1 and Reduces Its Allergenicity.Antioxidants (Basel, Switzerland) · 2022Article
- Mechanistic assessment of tolerance to iron deficiency mediated by Trichoderma harzianum in soybean roots.Journal of applied microbiology · 2022Article
- Foliar Application of Different Iron Sources Improves Morpho-Physiological Traits and Nutritional Quality of Broad Bean Grown in Sandy Soil.Plants (Basel, Switzerland) · 2022Article
- The Hidden Potential of High-Throughput RNA-Seq Re-Analysis, a Case Study for DHDPS, Key Enzyme of the Aspartate-Derived Lysine Biosynthesis Pathway and Its Role in Abiotic and Biotic Stress Responses in Soybean.Plants (Basel, Switzerland) · 2022Article
- Transcriptome and metabolome analyses reveal new insights into chlorophyll, photosynthesis, metal ion and phenylpropanoids related pathways during sugarcane ratoon chlorosis.BMC plant biology · 2022Article
- Foliar Application of Nano, Chelated, and Conventional Iron Forms Enhanced Growth, Nutritional Status, Fruiting Aspects, and Fruit Quality of Washington Navel Orange Trees (Plants (Basel, Switzerland) · 2021Article
- IRONMAN tunes responses to iron deficiency in concert with environmental pH.Plant physiology · 2021Article
- Gene Expression Responses to Sequential Nutrient Deficiency Stresses in Soybean.International journal of molecular sciences · 2021Article
- Transcriptomics Reveals Fast Changes in Salicylate and Jasmonate Signaling Pathways in Shoots of Carbonate-TolerantInternational journal of molecular sciences · 2021Article
- Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants.Frontiers in plant science · 2021Review
- Transcriptome and metabolite analysis reveal the drought tolerance of foxtail millet significantly correlated with phenylpropanoids-related pathways during germination process under PEG stress.BMC plant biology · 2020Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Alkaline soils comprise 30% of the earth and have low plant-available iron (Fe) concentration, and can cause iron deficiency chlorosis (IDC). IDC causes soybean yield losses of $260 million annually. However, it is not known whether molecular responses to IDC are equivalent to responses to low iron supply. IDC tolerant and sensitive soybean lines provide a contrast to identify specific factors associated with IDC. We used RNA-seq to compare gene expression under combinations of normal pH (5.7) or alkaline pH (7.7, imposed by 2.5 mM bicarbonate, or pH 8.2 imposed by 5 mM bicarbonate) and normal (25 μM) or low (1 μM) iron conditions from roots of these lines. Thus, we were able to treat pH and Fe supply as separate variables. We also noted differential gene expression between IDC sensitive and tolerant genotypes in each condition. Classical iron uptake genes, including ferric-chelate reductase (FCR) and ferrous transporters, were upregulated by both Fe deficiency and alkaline stress, however, their gene products did not function well at alkaline pH. In addition, genes in the phenylpropanoid synthesis pathway were upregulated in both alkaline and low Fe conditions. These genes lead to the production of fluorescent root exudate (FluRE) compounds, such as coumarins. Fluorescence of nutrient solution increased with alkaline treatment, and was higher in the IDC tolerant line. Some of these genes also localized to previously identified QTL regions associated with IDC. We hypothesize that FluRE become essential at alkaline pH where the classical iron uptake system does not function well. This work could result in new strategies to screen for IDC tolerance, and provide breeding targets to improve crop alkaline stress tolerance.
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