ArticlePlant physiology2015
Ethylene Biosynthesis Is Promoted by Very-Long-Chain Fatty Acids during Lysigenous Aerenchyma Formation in Rice Roots.
Article in Plant physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 56 citations in OpenAlex.
- Transcriptome Analysis of Rice Root Tips Reveals Auxin, Gibberellin and Ethylene Signaling Underlying Nutritropism.Plant & cell physiology · 2024Article
- Plant Adaptation to Flooding Stress under Changing Climate Conditions: Ongoing Breakthroughs and Future Challenges.Plants (Basel, Switzerland) · 2023Review
- Brassinosteroids regulate cotton fiber elongation by modulating very-long-chain fatty acid biosynthesis.The Plant cell · 2023Article
- Flooding tolerance in Rice: adaptive mechanism and marker-assisted selection breeding approaches.Molecular biology reports · 2023Review
- Elucidating the molecular responses to waterlogging stress in onion (Frontiers in plant science · 2023Article
- Physiological, biochemical, and metabolic changes in diploid and triploid watermelon leaves during flooding.Frontiers in plant science · 2023Article
- Foliar Application of Spermidine Alleviates Waterlogging-Induced Damages to Maize Seedlings by Enhancing Antioxidative Capacity, Modulating Polyamines and Ethylene Biosynthesis.Life (Basel, Switzerland) · 2022Article
- The Pyramiding of Three Key Root Traits Aid Breeding of Flood-Tolerant Rice.Plants (Basel, Switzerland) · 2022Review
- Biocontrol potential ofFrontiers in microbiology · 2022Article
- Transcriptomic Analysis of the Photosynthetic, Respiration, and Aerenchyma Adaptation Strategies in Bermudagrass (International journal of molecular sciences · 2021Article
- Development of EST-SSR markers forPhysiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- A Role for Auxin in Ethylene-Dependent Inducible Aerenchyma Formation in Rice Roots.Plants (Basel, Switzerland) · 2020Article
- RNA-Seq reveals novel genes and pathways associated with hypoxia duration and tolerance in tomato root.Scientific reports · 2020Article
- PUCHI regulates very long chain fatty acid biosynthesis during lateral root and callus formation.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Supraoptimal Cytokinin Content Inhibits Rice Seminal Root Growth by Reducing Root Meristem Size and Cell Length via Increased Ethylene Content.International journal of molecular sciences · 2018Article
- Towards Identification of the Substrates of ATP-Binding Cassette Transporters.Plant physiology · 2018Review
- Hormonal regulation in adventitious roots and during their emergence under waterlogged conditions in wheat.Journal of experimental botany · 2018Article
- Regulation of Root Traits for Internal Aeration and Tolerance to Soil Waterlogging-Flooding Stress.Plant physiology · 2018Review
- Programmed Cell Death and Aerenchyma Formation in Water-Logged Sunflower Stems and Its Promotion by Ethylene and ROS.Frontiers in plant science · 2018Article
- METALLOTHIONEIN genes encoding ROS scavenging enzymes are down-regulated in the root cortex during inducible aerenchyma formation in rice.Plant signaling & behavior · 2017Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In rice (Oryza sativa) roots, lysigenous aerenchyma, which is created by programmed cell death and lysis of cortical cells, is constitutively formed under aerobic conditions, and its formation is further induced under oxygen-deficient conditions. Ethylene is involved in the induction of aerenchyma formation. reduced culm number1 (rcn1) is a rice mutant in which the gene encoding the ATP-binding cassette transporter RCN1/OsABCG5 is defective. Here, we report that the induction of aerenchyma formation was reduced in roots of rcn1 grown in stagnant deoxygenated nutrient solution (i.e. under stagnant conditions, which mimic oxygen-deficient conditions in waterlogged soils). 1-Aminocyclopropane-1-carboxylic acid synthase (ACS) is a key enzyme in ethylene biosynthesis. Stagnant conditions hardly induced the expression of ACS1 in rcn1 roots, resulting in low ethylene production in the roots. Accumulation of saturated very-long-chain fatty acids (VLCFAs) of 24, 26, and 28 carbons was reduced in rcn1 roots. Exogenously supplied VLCFA (26 carbons) increased the expression level of ACS1 and induced aerenchyma formation in rcn1 roots. Moreover, in rice lines in which the gene encoding a fatty acid elongase, CUT1-LIKE (CUT1L; a homolog of the gene encoding Arabidopsis CUT1, which is required for cuticular wax production), was silenced, both ACS1 expression and aerenchyma formation were reduced. Interestingly, the expression of ACS1, CUT1L, and RCN1/OsABCG5 was induced predominantly in the outer part of roots under stagnant conditions. These results suggest that, in rice under oxygen-deficient conditions, VLCFAs increase ethylene production by promoting 1-aminocyclopropane-1-carboxylic acid biosynthesis in the outer part of roots, which, in turn, induces aerenchyma formation in the root cortex.
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