ArticleScientific reports2016
Gibberellin-Regulation and Genetic Variations in Leaf Elongation for Tall Fescue in Association with Differential Gene Expression Controlling Cell Expansion.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 59 citations in OpenAlex.
- The SNL Histone Deacetylase-Binding Factor GmHE13 Is a Novel Regulator of Soybean Hypocotyl Elongation.Plant biotechnology journal · 2025Article
- Gibberellins: extending the Green Revolution.Journal of experimental botany · 2025Review
- Transcriptome and metabolome analyses reveal that GA3ox regulates the dwarf trait in mango (Mangifera indica L.).BMC plant biology · 2024Article
- Effect of Foliar Spraying of Gibberellins and Brassinolide on Cadmium Accumulation in Rice.Toxics · 2023Article
- The Roles of Gibberellins in Regulating Leaf Development.Plants (Basel, Switzerland) · 2023Review
- Article
- Exogenous Phytohormones and Fertilizers EnhancePlants (Basel, Switzerland) · 2022Article
- Plant Development and Crop Yield: The Role of Gibberellins.Plants (Basel, Switzerland) · 2022Review
- Catalytic promiscuity of rice 2-oxoglutarate/Fe(II)-dependent dioxygenases supports xenobiotic metabolism.Plant physiology · 2021Article
- Comparative Analysis of Machine Learning and Evolutionary Optimization Algorithms for Precision Micropropagation ofFrontiers in plant science · 2021Article
- Gibberellin Promotes Bolting and Flowering via the Floral IntegratorsPlants (Basel, Switzerland) · 2020Article
- Global transcriptome analysis uncovers the gene co-expression regulation network and key genes involved in grain development of wheat (Triticum aestivum L.).Functional & integrative genomics · 2019Article
- Transcriptome Analysis Reveals Differential Gene Expression and a Possible Role of Gibberellins in a Shade-Tolerant Mutant of Perennial Ryegrass.Frontiers in plant science · 2017Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Leaf elongation rate (LER) is an important factor controlling plant growth and productivity. The objective of this study was to determine whether genetic variation in LER for a fast-growing ('K-31'), and a dwarf cultivar ('Bonsai') of tall fescue (Festuca arundinacea) and gibberellic acid (GA) regulation of LER were associated with differential expression of cell-expansion genes. Plants were treated with GA3, trinexapac-ethyl (TE) (GA inhibitor), or water (untreated control) in a hydroponic system. LER of 'K-31' was 63% greater than that of 'Bonsai', which corresponded with 32% higher endogenous GA4 content in leaf and greater cell elongation and production rates under the untreated control condition. Exogenous application of GA3 significantly enhanced LER while TE treatment inhibited leaf elongation due to GA3-stimulation or TE-inhibition of cell elongation and production rate in leaves for both cultivars. Real-time quantitative polymerase chain reaction analysis revealed that three α-expansins, one β-expansin, and three xyloglucan endotransglycosylase (XET) genes were associated with GA-stimulation of leaf elongation, of which, the differential expression of EXPA4 and EXPA7 was related to the genotypic variation in LER of two cultivars. Those differentially-expressed expansin and XET genes could play major roles in genetic variation and GA-regulated leaf elongation in tall fescue.
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