ArticleBMC plant biology2018
Shoot iron status and auxin are involved in iron deficiency-induced phytosiderophores release in wheat.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 58 citations in OpenAlex.
- Article
- Supramolecular Arrangement of Lignosulfonate-Based Iron Heteromolecular Complexes and Consequences of Their Interaction with CaJournal of agricultural and food chemistry · 2023Article
- Biofortification of common bean (Food and energy security · 2023Review
- Diproline-induced resistance to parasitic nematodes in the same and subsequent rice generations: Roles of iron, nitric oxide and ethylene.Frontiers in plant science · 2023Article
- Combined morpho-physiological, ionomic and transcriptomic analyses reveal adaptive responses of allohexaploid wheat (Triticum aestivum L.) to iron deficiency.BMC plant biology · 2022Article
- Strategies and Bottlenecks in Hexaploid Wheat to Mobilize Soil Iron to Grains.Frontiers in plant science · 2022Review
- Genotypic differences in response of durum wheat (Plant direct · 2022Article
- Humic Acid Alleviates Fe Chlorosis in Graminaceous Plants Through Coordinated Fe-Dependent and Fe-Independent Mechanisms.Frontiers in plant science · 2022Article
- Diverse Functions of Plant Zinc-Induced Facilitator-like Transporter for Their Emerging Roles in Crop Trait Enhancement.Plants (Basel, Switzerland) · 2021Review
- Bacterial Endophytes of Spring Wheat Grains and the Potential to Acquire Fe, Cu, and Zn under Their Low Soil Bioavailability.Biology · 2021Article
- Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants.Frontiers in plant science · 2021Review
- Comparative Transcriptome Analysis of Iron and Zinc Deficiency in Maize (Plants (Basel, Switzerland) · 2020Article
- Examining Short-Term Responses to a Long-Term Problem: RNA-Seq Analyses of Iron Deficiency Chlorosis Tolerant Soybean.International journal of molecular sciences · 2020Article
- Integrative analysis of hexaploid wheat roots identifies signature components during iron starvation.Journal of experimental botany · 2019Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe release of phytosiderephores (PS) to the rhizosphere is the main root response to iron (Fe) deficiency in graminaceous plants. We have investigated the role of the Fe status in the shoot as well as of the signaling pathways controlled by three relevant phytoregulators - indolacetic acid (IAA), ethylene and nitric oxide (NO) - in the regulation of this root response in Fe-starved wheat plants. To this end, the PS accumulation in the nutrient solution and the root expression of the genes encoding the nicotianamine aminotransferase (TaNAAT) and ferritin (TaFER) have been evaluated in plants subjected to different treatments.
resultsThe application of Fe to leaves of Fe-deficient plants prevented the increase in both PS root release and TaNAAT gene expression thus showing the relevant role of the shoot to root communication in the regulation of PS root release and some steps of PS biosynthesis. Experiments with specific hormone inhibitors showed that while ethylene and NO did not positively regulate Fe-deficiency induced PS root release, auxin plays an essential role in the regulation of this process. Moreover, the application of IAA to Fe-sufficient plants promoted both PS root release and TaNAAT gene expression thus indicating that auxin might be involved in the shoot to root signaling network regulating Fe-deficiency root responses in wheat.
conclusionsThese results therefore indicate that PS root release in Fe-deficient wheat plants is directly modulated by the shoot Fe status through signaling pathways involving, among other possible effectors, auxin.
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