ArticleBotanical studies2018
Heterologous expression of rice 9-cis-epoxycarotenoid dioxygenase 4 (OsNCED4) in Arabidopsis confers sugar oversensitivity and drought tolerance.
Article in Botanical studies, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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27 citing papers in PubMed, 61 citations in OpenAlex.
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- Molecular Mechanisms and Regulatory Pathways Underlying Drought Stress Response in Rice.International journal of molecular sciences · 2024Review
- Transcriptomic and physiological analyses reveal different grape varieties response to high temperature stress.Frontiers in plant science · 2024Article
- A key ABA biosynthetic geneFrontiers in plant science · 2024Article
- Genome-Wide Identification and Analysis of Collar Region-Preferential Genes in Rice.Plants (Basel, Switzerland) · 2023Article
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- A mulberry 9-Frontiers in plant science · 2023Article
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- Modifications of Phytohormone Metabolism Aimed at Stimulation of Plant Growth, Improving Their Productivity and Tolerance to Abiotic and Biotic Stress Factors.Plants (Basel, Switzerland) · 2022Review
- Insights into the Regulation of Rice Seed Storability by Seed Tissue-Specific Transcriptomic and Metabolic Profiling.Plants (Basel, Switzerland) · 2022Article
- miR2105 and the kinase OsSAPK10 co-regulate OsbZIP86 to mediate drought-induced ABA biosynthesis in rice.Plant physiology · 2022Article
- Comparative Analysis of Heat-Tolerant and Heat-Susceptible Rice Highlights the Role ofPlants (Basel, Switzerland) · 2022Article
- Cellulose synthase-like protein OsCSLD4 plays an important role in the response of rice to salt stress by mediating abscisic acid biosynthesis to regulate osmotic stress tolerance.Plant biotechnology journal · 2022Article
- Global NInternational journal of molecular sciences · 2022Article
- Genome-wide characterization of carotenoid oxygenase gene family in three cotton species and functional identification of GaNCED3 in drought and salt stress.Journal of applied genetics · 2021Article
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3 authors at 3 institutions in 1 country.
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Abstract
backgroundThe 9-cis-epoxycarotenoid dioxygenases OsNCED4 was cloned from rice in conjunction with OsNCED 1-3 and 5, of which 3 has been shown to function in ABA biosynthesis and alteration of leaf morphology. In higher plants, NCEDs have been shown to be key enzymes controlling ABA biosynthesis and belong to a differentially expressed gene family. Aside from OsNCED3, it remains largely unknown if other OsNCED genes are involved in ABA biosynthesis in rice. Thus, transgenic Arabidopsis plants overexpressing OsNCED4 were generated in the 129B08/nced3 mutant background to explore OsNCED4 function in ABA biosynthesis.
resultsHeterologous expression of OsNCED4 in Arabidopsis increased ABA levels and altered plant size and leaf shape, delayed seed germination, caused sugar oversensitivity in post-germination growth, and enhanced tolerance to drought. The native OsNCED3 and OsNCED4 promoters were expressed in an overlapping pattern in rice seeds and young seedlings, suggesting possible functional redundancy between OsNCED3 and OsNCED4. At the one-leaf stage, similar regulation of OsNCED3 and OsNCED4 gene expression in roots or leaves in response to moderate salt stress (150 mM NaCl) was observed.
conclusionLike OsNCED3, OsNCED4 is functionally active in ABA biosynthesis in rice. OsNCED3 and OsNCED4 might play redundant roles in controlling ABA biosynthesis in rice, as suggested by GUS staining assay, but this should be further analyzed through complementation of rice NCED knockout mutants.
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