ArticlePloS one2016
Grain Filling Characteristics and Their Relations with Endogenous Hormones in Large- and Small-Grain Mutants of Rice.
Article in PloS one, 2016. 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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Who cites it
23 citing papers in PubMed.
- Split Potassium Fertilization Modulates Endogenous Hormone Homeostasis to Optimize the Grain-Filling Process and Mitigate High-Temperature Damage in Rice.Plants (Basel, Switzerland) · 2026Article
- A High-Thousand-Seed-Weight Mutant ofInternational journal of molecular sciences · 2026Article
- Dynamic transcriptome landscape of oat grain development.BMC genomics · 2025Article
- Study on the growth characteristics of Pinus yunnanensis seedlings based on hormonal regulation and chlorophyll metabolism.Scientific reports · 2025Article
- Differential ABA sensitivity of superior and inferior rice grains is linked to cell cycle entry into endoreduplication.Frontiers in plant science · 2025Article
- Decrypting molecular mechanism of heat stress tolerance in rice to tackle climate change challenges through recent approaches.Frontiers in plant science · 2025Review
- Editorial for the Special Issue 'Molecular Breeding and Genetics Research in Plants'.Current issues in molecular biology · 2024Article
- Energy Deficiency and Misdistribution Leads to Disrupted Formation in Grain Yield and Rice Quality.International journal of molecular sciences · 2024Article
- Paclobutrazol Enhanced Stem Lodging Resistance of Direct-Seeded Rice by Affecting Basal Internode Development.Plants (Basel, Switzerland) · 2024Article
- Genetic analysis of yield components in buckwheat using high-throughput sequencing analysis and wild resource populations.Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Enhancing saline stress tolerance in soybean seedlings through optimal NHBMC plant biology · 2024Article
- Exogenous abscisic acid (ABA) improves the filling process of maize grains at different ear positions by promoting starch accumulation and regulating hormone levels under high planting density.BMC plant biology · 2024Article
- Identification of LsPIN1 gene and its potential functions in rhizome turning of Leymus secalinus.BMC genomics · 2022Article
- The sucrose transport regulator OsDOF11 mediates cytokinin degradation during rice development.Plant physiology · 2022Article
- Effects of post-silking low temperature on the starch and protein metabolism, endogenous hormone contents, and quality of grains in waxy maize.Frontiers in plant science · 2022Article
- Hormonal changes with uniconazole trigger canopy apparent photosynthesis and grain filling in wheat crop in a semi-arid climate.Protoplasma · 2021Article
- Transcriptome Analysis Provides Insights into Grain Filling in Foxtail Millet (International journal of molecular sciences · 2020Article
- Source-sink modifications affect leaf senescence and grain mass in wheat as revealed by proteomic analysis.BMC plant biology · 2020Article
- Article
- The Rice G Protein γ Subunit DEP1/qPE9-1 Positively Regulates Grain-Filling Process by Increasing Auxin and Cytokinin Content in Rice Grains.Rice (New York, N.Y.) · 2019Article
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10 authors.
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Abstract
This study determined if the variation in grain filling parameters between two different spikelet types of rice (Oryza sativa L.) is regulated by the hormonal levels in the grains. Two rice mutants, namely, a large-grain mutant (AZU-M) and a small-grain mutant (ZF802-M), and their respective wild types (AZU-WT and ZF802-WT) were grown in the field. The endosperm cell division rate, filling rate, and hormonal levels: zeatin + zeatin riboside (Z+ZR), indo-3-acetic acid (IAA), polyamines (PAs), and abscisic acid (ABA) were determined. The results showed that there was no significant difference between the filling and endosperm cell division rates. These rates were synchronous between the superior and inferior spikelets for both mutants. However, the abovementioned parameters were significantly different between the two spikelet types for the two wild types. The superior spikelets filled faster and their filling rate was higher compared to the inferior ones. Changes in the concentrations of plant hormones were consistent with the observed endosperm cell division rate and the filling rate for both types of spikelets of mutant and wild type plants. Regression analysis showed a significant positive correlation between cell division and filling rates with the concentrations of the investigated hormones. Exogenous chemical application verified the role of ABA, IAA, and PAs in grain filling. The results indicate that poor filling of inferior spikelets in rice occurs primarily due to the reduced hormone concentrations therein, leading to lower division rate of endosperm cells, fewer endosperm cells, slower filling rate, and smaller grain weight.
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