ArticleThe Plant journal : for cell and molecular biology2008
Mutations of genes in synthesis of the carotenoid precursors of ABA lead to pre-harvest sprouting and photo-oxidation in rice.
Article in The Plant journal : for cell and molecular biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers.
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109 citing papers in PubMed, 285 citations in OpenAlex.
- OsFT coordinates photosynthetic stability and carotenoid metabolism to regulate tillering in rice.Journal of advanced research · 2026Article
- TKC-MC: An Effective Strategy for Generating Heritable Heterozygous Mutations in Essential Genes in Rice.Plant biotechnology journal · 2026Article
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- Genome-wide association and haplotype analyses reveal genetic architecture of seed dormancy in grain sorghum with implications for preharvest sprouting tolerance.The plant genome · 2026Article
- Carotenoid biosynthesis drives root plasticity through aerenchyma and iron plaque formation in rice.Nature plants · 2026Article
- Integrative genomic approaches to unravel genomic regions and candidate genes associated with flag leaf photosynthesis at the reproductive stage in rice.Frontiers in plant science · 2026Article
- Mutation of OsKIF14.3, a Kinesin-14 Subfamily Protein, Altered Starch Metabolism and Caused Yellowish Leaf in Rice.International journal of molecular sciences · 2025Article
- 2-Hydroxymelatonin Induces Husk-Imposed Vivipary in the Transgenic Rice Overexpressing Melatonin 2-Hydroxylase.Biomolecules · 2025Article
- An elite RNA-DEPENDENT RNA POLYMERASE3 allele enhances preharvest sprouting resistance in rice.Plant physiology · 2025Article
- Leaf color variation mechanism of the yellow-to-green mutant 'Breeding science · 2025Article
- Identification of a key locus, qRL8.1, associated with root length traits during seed germination under salt stress via a genome-wide association study in rice.BMC plant biology · 2025Article
- Integrative molecular and physiological insights into the phytotoxic impact of liquid crystal monomer exposure and the protective strategy in plants.Plant biotechnology journal · 2025Article
- Integrative genomic and transcriptomic approaches decipher pre-harvest sprouting resistance in rice.Frontiers in plant science · 2025Article
- Red peel regulator 1 links ethylene response factor 25 and β-citraurin biosynthetic genes to regulate ethylene-induced peel reddening in citrus.The Plant cell · 2024Article
- Maternally expressed FERTILIZATION-INDEPENDENT ENDOSPERM1 regulates seed dormancy and aleurone development in rice.The Plant cell · 2024Article
- The phosphatidylethanolamine-binding proteins OsMFT1 and OsMFT2 regulate seed dormancy in rice.The Plant cell · 2024Article
- OsABA3 is Crucial for Plant Survival and Resistance to Multiple Stresses in Rice.Rice (New York, N.Y.) · 2024Article
- Allantoate Amidohydrolase OsAAH is Essential for Preharvest Sprouting Resistance in Rice.Rice (New York, N.Y.) · 2024Article
- A transposon insertion in the promoter of OsUBC12 enhances cold tolerance during japonica rice germination.Nature communications · 2024Article
- The transcriptional regulatory module CsHB5-CsbZIP44 positively regulates abscisic acid-mediated carotenoid biosynthesis in citrus (Citrus spp.).Plant biotechnology journal · 2024Article
49 more citing papers are in PubMed but not listed here.
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18 authors at 6 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pre-harvest sprouting (PHS) or vivipary in cereals is an important agronomic trait that results in significant economic loss. A considerable number of mutations that cause PHS have been identified in several species. However, relatively few viviparous mutants in rice (Oryza sativa L.) have been reported. To explore the mechanism of PHS in rice, we carried out an extensive genetic screening and identified 12 PHS mutants (phs). Based on their phenotypes, these phs mutants were classified into three groups. Here we characterize in detail one of these groups, which contains mutations in genes encoding major enzymes of the carotenoid biosynthesis pathway, including phytoene desaturase (OsPDS), zeta-carotene desaturase (OsZDS), carotenoid isomerase (OsCRTISO) and lycopene beta-cyclase (beta-OsLCY), which are essential for the biosynthesis of carotenoid precursors of ABA. As expected, the amount of ABA was reduced in all four phs mutants compared with that in the wild type. Chlorophyll fluorescence analysis revealed the occurrence of photoinhibition in the photosystem and decreased capacity for eliminating excess energy by thermal dissipation. The greatly increased activities of reactive oxygen species (ROS) scavenging enzymes, and reduced photosystem (PS) II core proteins CP43, CP47 and D1 in leaves of the Oscrtiso/phs3-1mutant and OsLCY RNAi transgenic rice indicated that photo-oxidative damage occurred in PS II, consistent with the accumulation of ROS in these plants. These results suggest that the impairment of carotenoid biosynthesis causes photo-oxidation and ABA-deficiency phenotypes, of which the latter is a major factor controlling the PHS trait in rice.
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