ArticleJournal of experimental botany2013
Functional delineation of rice MADS29 reveals its role in embryo and endosperm development by affecting hormone homeostasis.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 81 citations in OpenAlex.
- The Rice E3 Ubiquitin Ligase Gene OsPUB77 Regulates Head Milled Rice Rate by Affecting Grain Starch Accumulation.Plant biotechnology journal · 2026Article
- Pan-transcriptome analysis of diverse chickpea accessions reveals specific expression patterns and genetic variations associated with agronomic traits.Plant molecular biology · 2026Article
- MADS31 supports female germline development by repressing the post-fertilization programme in cereal ovules.Nature plants · 2025Article
- Natural variation in OsMADS1 transcript splicing affects rice grain thickness and quality by influencing monosaccharide loading to the endosperm.Plant communications · 2025Article
- NAC25 transcription factor regulates the degeneration of cytoplasmic membrane integrity and starch biosynthesis in rice endosperm through interacting with MADS29.Frontiers in plant science · 2025Article
- Upstream regulator of genomic imprinting in rice endosperm is a small RNA-associated chromatin remodeler.Nature communications · 2024Article
- OsLESV and OsESV1 promote transitory and storage starch biosynthesis to determine rice grain quality and yield.Plant communications · 2024Article
- TaMADS29 interacts with TaNF-YB1 to synergistically regulate early grain development in bread wheat.Science China. Life sciences · 2023Article
- Cytological, transcriptome and miRNome temporal landscapes decode enhancement of rice grain size.BMC biology · 2023Article
- A NAC-EXPANSIN module enhances maize kernel size by controlling nucellus elimination.Nature communications · 2022Article
- Heat Stress Decreases Rice Grain Weight: Evidence and Physiological Mechanisms of Heat Effects Prior to Flowering.International journal of molecular sciences · 2022Review
- Transcriptome Analysis and Gene Expression Profiling of the Peanut Small Seed Mutant Identified Genes Involved in Seed Size Control.International journal of molecular sciences · 2022Article
- Revealing the novel complexity of plant long non-coding RNA by strand-specific and whole transcriptome sequencing for evolutionarily representative plant species.BMC genomics · 2022Article
- Article
- Genes and Their Molecular Functions Determining Seed Structure, Components, and Quality of Rice.Rice (New York, N.Y.) · 2022Review
- CRISPR-Cas9 Mediated Mutation inInternational journal of molecular sciences · 2022Article
- Characterization of Transcription Regulatory Domains of OsMADS29: Identification of Proximal Auxin-Responsive Domains and a Strong Distal Negative Element.Frontiers in plant science · 2022Article
- Programmed Cell Death in DevelopingInternational journal of molecular sciences · 2021Article
- The nucellus: between cell elimination and sugar transport.Plant physiology · 2021Article
- Integrated Transcriptomic and Bioinformatics Analyses Reveal the Molecular Mechanisms for the Differences in Seed Oil and Starch Content BetweenFrontiers in plant science · 2021Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice MADS29 has recently been reported to cause programmed cell death of maternal tissues, the nucellus, and the nucellar projection during early stages of seed development. However, analyses involving OsMADS29 protein expression domains and characterization of OsMADS29 gain-of-function and knockdown phenotypes revealed novel aspects of its function in maintaining hormone homeostasis, which may have a role in the development of embryo and plastid differentiation and starch filling in endosperm cells. The MADS29 transcripts accumulated to high levels soon after fertilization; however, protein accumulation was found to be delayed by at least 4 days. Immunolocalization studies revealed that the protein accumulated initially in the dorsal-vascular trace and the outer layers of endosperm, and subsequently in the embryo and aleurone and subaleurone layers of the endosperm. Ectopic expression of MADS29 resulted in a severely dwarfed phenotype, exhibiting elevated levels of cytokinin, thereby suggesting that cytokinin biosynthesis pathway could be one of the major targets of OsMADS29. Overexpression of OsMADS29 in heterologous BY2 cells was found to mimic the effects of exogenous application of cytokinins that causes differentiation of proplastids to starch-containing amyloplasts and activation of genes involved in the starch biosynthesis pathway. Suppression of MADS29 expression by RNAi severely affected seed set. The surviving seeds were smaller in size, with developmental abnormalities in the embryo and reduced size of endosperm cells, which also contained loosely packed starch granules. Microarray analysis of overexpression and knockdown lines exhibited altered expression of genes involved in plastid biogenesis, starch biosynthesis, cytokinin signalling and biosynthesis.
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